CARPC AGENDA COVER SHEET Executive Summary April 9, 2009 Item 6 Re: Consideration of Resolution CARPC No. 2009-7 amending the Dane County Land Use and Transportation Plan and the Dane County Water Quality Plan by revising the Central Urban Service Area boundary and Environmental Corridors in the City of Madison and the Town of Middleton. Decision Items: 1. Consideration of Resolution CARPC No. 2009-7 Staff Comment on Item: The proposed amendment will add 58.3 acres to Central Urban Service Area (CUSA) in the City of Madison and the Town of Middleton between West Old Sauk Road and Blackhawk Road at Schewe Road in the Blackhawk neighborhood. The amendment area includes 13.7 acres of existing residential development (seven single family residences) and 1.7 acres of existing street right-of-way. The development proposal includes 28.5 acres owned by the Middleton-Cross Plains Area School District (MCPASD). An elementary school will be built on the parcel in the coming year, with the potential of adding a middle school on the parcel at a future time. (A referendum to authorize funding for the new elementary school is scheduled for April 7, 2009.) An additional 20.6 acres are proposed for residential development with 21 housing units accommodating an estimated population of 56, including nine schoolaged children. The amendment will add 40.0 developable acres to the Central Urban Service Area. The proposed amendment is located to allow some of the students who live nearby to be able to walk or bike to school. The school is being designed with LEED standards and low impact development stormwater measures. A portion of the land will be residential development consistent with the adjacent Blackhawk neighborhood. The amendment area also includes nine existing residential lots on its northern and southern edges. These are large lots which were developed with septic systems in the Town, and are being included in case there is a need for sanitary sewer in the future. The amendment area includes an area (3.2 acres) of soils with hydric inclusions and steep slopes. These areas have a limited suitability for development due to their high water table or steep slopes. The proposed buildings are not located within these areas. No other environmentally sensitive area requiring inclusion in environmental corridors were identified in the area. The impacts of the proposed development have been addressed through proposed infiltration measures and existing and planned stormwater management facilities which serve this area. It is advisable in general for the area to maintain pre-development runoff volumes as well as peaks. In the portion of the amendment area located in the Black Earth Creek watershed, it is important to maintain pre-development volumes and peaks for any future redevelopment of the existing residential lots. Page 1 of 2 Staff Recommendation: Staff recommends approval of the amendment based on the proposed land uses and services and conditioned on the City of Madison pursuing the following: Submit a detailed stormwater management plan for CARPC and DCL&WCD staff review and approval prior to any land disturbing activities in the amendment area. The stormwater management plan should include the following: x Install stormwater practices for each area prior to other land disturbing activities. x Control peak rates of runoff for all storms up to and including the 10-year 24-hour event to predevelopment levels. x Demonstrate that runoff from storm event larger than the 10-year 24-hour event will not cause erosive velocities or increase downstream flooding. x Maximize the infiltration of rainfall to maintain pre-development runoff volumes to the extent practicable and protect infiltration areas from compaction and sedimentation. This is especially critical in the small area of existing residential development which is in the Black Earth Creek watershed. x Provide deep tilling in all open space areas. x Prevent increased erosion. x Provide stormwater quality ponds for all developed areas within the amendment area. x Stormwater practices should be publicly managed, or have a perpetual legal maintenance agreement finalized with the City. Materials Presented with Item: 1. Staff Analysis dated April 3, 2009 2. State Historical Society letter of comment dated March 23, 2009 3. Draft Resolution CARPC No. 2009-7 Contact for Further Information: Kamran Mesbah, Deputy Director 266-9283 [email protected] Page 2 of 2 04/03/09 Staff Analysis of Proposed Amendment to the Dane County Land Use and Transportation Plan and Water Quality Plan, Revising the Central Urban Service Area Boundary and Environmental Corridors in the City of Madison and Town of Middleton (Middleton-Cross Plains School Site) 1. Applicant: City of Madison 2. Description of Proposal The proposed amendment will add 58.3 acres to Central Urban Service Area (CUSA) in the City of Madison and the Town of Middleton between West Old Sauk Road and Blackhawk Road at Schewe Road in the Blackhawk neighborhood. The amendment area includes 13.7 acres of existing residential development (seven single family residences) and 1.7 acres of existing street right-of-way. The development proposal includes 28.5 acres owned by the Middleton-Cross Plains Area School District (MCPASD). An elementary school will be built on the parcel in the coming year, with the potential of adding a middle school on the parcel at a future time. (A referendum to authorize funding for the new elementary school is scheduled for April 7, 2009.) An additional 20.6 acres are proposed for residential development with 21 housing units accommodating an estimated population of 56, including 9 school-aged children. Street right-of way is proposed for 6.3 acres, and stormwater management facilities are proposed for 2.9 acres that will be designated as environmental corridors. The amendment will add 40.0 developable acres to the Central Urban Service Area (see Table 1 and Maps 1, 2, and 3b). Table 1: Central Urban Service Area, M-CP School Requested by the City of Madison Proposed Density (units/acre) Total % of Housing Land Use Proposal ( ac.) Total Units 20.6 35% 21 56 9 13.7 20.6 35% 21 56 9 13.7 28.5 49% Stormwater Mgmt. 2.9 5% Street R-O-W 6.3 11% 1.7 58.3 100% 15.4 Residential 1.0 Residential Total 1.0 CUSA 6.6 Institutional (School) TOTAL No. of No. of Existing Environ. Develop- Persons Students Develop. Corridor able 2.9 2.9 40.0 39.4 acres in the City of Madison (68%) & 18.9 acres (32%) in the Town of Middleton Source: City of Madison Planning Submittal and CARPC The current plan for the elementary school calls for a two-story building of approximately 101,000 square feet, designed to accommodate approximately 500 students. Play yards, athletic fields and other open space uses are planned for the northern and southern portions of the site. The school development will be buffered from the Town of Middleton Pope Farm Park to the west by a 150-foot no-build zone along the western edge of the property and a 400-foot no-build zone in the northern part of the school property. The amendment application suggests that a future middle school south of the elementary school might be about 160,000 square feet and accommodate 650 to 700 students, but no definite time-frame for this facility has been established by MCPASD (see Map 3c). 1 Development of the MCPASD property will include a new north-south street connecting Blackhawk Road and West Old Sauk Road. The future school sites are located on the west side of the new roadway, and 12 new single-family residential units are proposed for 3.4 acres on the east side (approximately 3.5 units per acre). While noting that the nine existing large-lot residential parcels comprising the remainder of the residential component of the amendment may be subdivided or accommodate higher density in the future, the City of Madison does not propose redevelopment at this time. The application assumes that the two vacant lots will each accommodate one residence and the seven existing residences will remain unchanged. With these existing low-density lots, the proposed overall residential density of the amendment area is 1.0 unit per acre. 3. Existing Environment Natural Resources. The proposed amendment area is diagonally bisected by two ridgelines, dividing it into three watersheds as shown on Maps 1 and 4. A smaller, northern area drains 2,500 feet north and west to the upper reach of the Back Earth Creek Watershed. The larger, central area drains about one mile to the east and south through the City of Madison to a regional stormwater facility in the Blackhawk development, and then to South Fork Pheasant Branch one mile further to the east. The tributary is in a City of Madison greenway and environmental corridor and is part of the Pheasant Branch Creek subwatershed of the Yahara River Watershed in the Rock River Basin. A small area in the southwest corner drains 2.5 miles south to a tributary of the Badger Mill Creek in the Upper Sugar River Watershed in the Sugar-Pecatonica River Basin. This tributary flows through numerous natural pothole wetlands and ponds, disappears south of CTH PD, and reappears on the northwest side of the City of Verona, eventually flowing into Badger Mill Creek southwest of the city. The segment of Black Earth Creek northwest of the amendment area supports a warm water forage fishery. It is approximately one-half mile upstream of a segment of Black Earth Creek that supports a Class I trout stream and is designated as an Outstanding Resource Water. The water quality rating is good, based on the Hilsenhoff Biotic Index. The amendment area is in a thermally sensitive part of the Black Earth Creek Watershed. Urban and agricultural non-point source pollution in the watershed has impacted flow, temperature, and habitat in this stretch of the watershed. There are rare aquatic species in Black Earth Creek. The portion of the amendment area in the Pheasant Branch subwatershed drains to South Fork Pheasant Branch which is designated as a limited forage fishery. The water quality rating is poor, based on the Hilsenhoff Biotic Index. Pheasant Branch is affected by degraded habitat, low dissolved oxygen, turbidity, sedimentation, and hydrologic change. The portion of the amendment area in the Badger Mill Creek Watershed drains to an intermittent tributary, which flows into Badger Mill Creek south of the City of Verona. The amendment area does not include any wetland areas according to the Wisconsin Department of Natural Resources Wetland Inventory. It does not include any floodplains according to the Federal Emergency Management Agency floodplain maps. The Land Type Associations of Wisconsin classifies the surficial geology of the site as a rolling, hummocky, moraine and glacial outwash plain complex with scattered bedrock knolls. This geology has soil substrates that are generally favorable for infiltration measures. 2 Blackston e Co Rose Court Black Earth Creek Watershed u rt CITY OF MIDDLETON gW d e pp y Blue He r o Bear C l aw Wa ive f Dr n Drive ai l rs T r we rS tre e et Cr ic Shadow Ridge Trail k et La n Tr a L ea y Dr i v e lo Twin Valley Road TOWN OF MIDDLETON n ll e Fa d Sk F Cone Blue Aster Trail Re W i nd in Sandhill R o a ay Blackhawk Road Six Mile and Pheasant Branch Creek Watershed B ay W Old Sauk Road Schewe Road CITY OF MADISON ear w Cl a W H e a th er o Kn ll L e an Pioneer Road Central USA White Fox Lane Upper Sugar River Watershed Rivercrest Drive Elderberry Road Amendment o intSTrail n al P i d r Area Ca Map 1 Existing Urban Service Area Boundary Environmental Corridor to be Added (2.9 acres) Amendment to the Central Urban Service Area in the City of Madison and the Town of Middleton Service Area to be Added (58.3 acres) Watershed Boundary Proposed Urban Service Area Boundary Parcels 2 Apr. 2009 0 1000 Existing Environmental Corridor Incorporated Area Feet Prepared by staff of the CARPC. u rt la Ea C ek Blackston e Co Rose Court B ck h rt re gW d y He r o ll L e an n Drive ai l rs T r we rS et ay Schewe Road Cr ic tre e B Pioneer Road er o Kn Bear C l aw Wa e pp Blue k et La n Tr a ive f Dr lo Twin Valley Road L ea y Dr i v e Shadow Ridge Trail W Old Sauk Road H e a th n ll e Fa d Sk F Cone Blue Aster Trail Re W i nd in Sandhill R o a ay Blackhawk Road ear w Cl a W White Fox Lane Rivercrest Drive Elderberry Road rd Ca i n al Po int Trail Map 2 (Aerial 2008) Amendment to the Central Urban Service Area in the City of Madison and the Town of Middleton 2 Apr. 2009 0 Existing Urban Service Area Boundary Environmental Corridor to be Added Proposed Urban Service Area Boundary Incorporated Area 1000 Feet Prepared by staff of the CARPC. e riv tD La ne Wil Capitol Court Wayside Road lo w Pine h u rs n a an e L Schwartz Road Ni 14 Low Road Tw Va l le Pleasant View Road in y ad Rose Court Ro wa n pe As Ke e Blackhawk Road h il l R o d n ad Gr Sa ov eL W S in an et e di t d l e n g Way de rs n R o ad Ca i Tr H tin ail ve Ro Shawn Trail Wilrich Street ne Mineral Point Road Pioneer Place W Mineral Point Road on P ra i r ie W ay Si lic Mineral Point Road Brader Way h M at ia s Map 3a Planned Land Use Amendment to the Central Urban Service Area in the City of Madison and the Town of Middleton y D rive Par kwa La me al in awn et sy W co el d Ca r eL B ive Pi n r Dr Elderberry Road i n t Trail Po South Point Road S w ob od a ad Ro ne Pioneer Road ll L a Fargo Trail Goth Road W Old Sauk Road r K no Heathe A lmo ad Shadow Ridge T rai l Plan Boundary Extractive Right of Way Incorporated Area Industrial Transportation Agriculture Institutional or Governmental Under Construction Cemetery Low Density Residential Vacant Commercial Forest Medium Density Residential Water Commercial Sales or Services Open Land Woodland Communications or Utilities Outdoor Recreation 2 Apr. 2009 0 2000 Feet Prepared by staff of the CARPC. MAP 3b CITY OF MIDDLETON CUSA AMENDMENT AREA Blackhawk Road Middleton-Cross Plains School Site CUSA Amendment January 2009 CURRENT CUSA BOUNDARY PROPOSE D CUSA BOUNDARY River Birch Rd. l Fa a pe ap r T rs CITY OF MIDDLETON . Tr UNINCORPORATED JURIS DICTIONS Winding Way ENVIRONMENTAL CORRIDOR PROPOSE D ENVIRONMENTAL CORRIDOR (Approx. 2.9 acres) CONCEPTUAL STREET PATTERN Be a Shadow Ridge Tr. INTER-GOVE RNMENTAL BOUNDARY AGREE MENTS rC la w City of Madison - City of M iddleton City of Madison - Town of Middleton W ay W. Old Sauk Road Schewe Road M:/arac/avdata/c_plan/cusa-central urban service area/Middleton-Cross Plains School Site CUSA Amend PROPOSED CUSA AMENDMENT AREA 58.3 Ac. Blue Aster Tr. Pope Farm Park len Le CITY OF MADISON r. fD CURRENT URBAN SERVICE AREA Data Source: Department of Planning & Community & Economic Development, Planning Division 0 500 1,000 Feet City of Ma dison Department of Planning & Community & Economic Development, Planning Division MAP 3c According to the Natural Resource Conservation Service Soil Survey of Dane County, the soils of the amendment area are in the Batavia-Houghton-Dresden Association and the Dodge-St. Charles-McHenry Association. The Batavia-Houghton-Dresden Association soils are well-drained and poorly-drained, silt loams and mucks that are underlain by silt, sand, and gravel. The Dodge-St. Charles-McHenry Association soils are well-drained and moderately well-drained, deep silt loams underlain by sandy loam glacial till. Map 5 shows the soils for the amendment area, and Map 6 shows limitations posed by soils. Tables 2 and 3 show detailed characteristics for soils of the amendment area.. Depth to groundwater is generally over 25 feet in the amendment area. There is a seasonal high water table of 2 to 5 feet below the ground surface in the areas with Radford Silt Loam and St. Charles Silt Loam soils. (Map 6a shows the areas with a seasonal high water table of 5 feet or less.) These areas have a moderate to very limited suitability for buildings with basements due to the high water table. Depth to bedrock is 10 to 50 feet throughout the amendment area. According to Wisconsin Geological and Natural History Survey mapping, the bedrock in the amendment area is the Prairie du Chien Group, which is dolomite with some sandstone and shale. Table 2 Soils Classification Soil % of Area General Characteristics McHenry Silt Loam, eroded; MdC2 28 Deep, well-drained soils on middle and lower side slopes of glacial uplands. Soils have medium fertility, moderate permeability, and a severe hazard of erosion. Poses moderate limitations for development due to slope. Kegonsa Silt Loam; KeB 26 Moderately deep, well-drained soils on benches on outwash plains. Soils have medium fertility, moderate permeability, and a moderate hazard of erosion. Poses severe limitations for development due to flooding and very low bearing capacity. Batavia Silt Loam; BbA, BbB 26 Deep, well-drained soils on high benches. Soils have high fertility, moderate permeability, and a slight to moderate hazard of erosion. Poses slight to moderate limitations for development due to low bearing capacity. St. Charles Silt Loam; ScB 7 Deep, well-drained and moderately well-drained soils on glaciated uplands. Soils have high fertility, moderate permeability, and a moderate hazard of erosion. Poses slight to moderate limitations for development due to low bearing capacity. Dodge Silt Loam; DnB 4 Deep, well-drained, gently sloping and sloping soils glaciated uplands. Soils have high fertility, moderate permeability, and a moderate hazard of erosion. Poses moderate limitations for development due to low bearing capacity and slope. Radford Silt Loam; RaA 4 Deep, somewhat poorly drained soils in low drainage ways and stream channels. Soils have high fertility and moderate permeability, but are subject to flooding. Poses very severe limitations for development due to seasonal high water table and very low bearing capacity. Boyer Sandy Loam; BoC2, BoD2 4 Well-drained soils on benches in valleys. Soils have low fertility, moderately rapid to rapid permeability, and a severe hazard of erosion. Poses moderate to severe limitations for development due to slope and instability. Kidder; KrD2 1 Deep, well-drained soils on glaciated uplands. Soils have medium fertility, moderate permeability, and a very severe hazard of erosion. Poses severe limitations for development due to slope. Source: Dane County Soil Survey 8 Table 3 Soils Characteristics Characteristic Soil Classifications % of Area Prime Agricultural Soils BbA, BbB, DnB, KeB, RaA, ScB 67 Hydric Soils None 0 Soils with Hydric Inclusions RaA 4 Soils Associated with Steep Slopes BoD2, KrD2 2 Severe Limitations for Dwellings with Basements BoD2, KrD2, RaA 6 Source: Dane County Soil Survey The Wisconsin State Historical Society reports that no previously recorded archaeological site or cemeteries have been recorded for the amendment area, and investigations in the vicinity did not result in the identification of any archaeological sites. As a result, the Wisconsin Historical Society believes that an archaeological survey of the project area is not necessary (see letter attached). Land Use. The proposed amendment area is composed of lands in agricultural use and 9 existing residential parcels, seven of which are developed. The majority of the area had been part of a working farm that was purchased by the Town of Middleton in 1999. The Town has retained a portion of the farm as an educational farm park (Pope Farm Park), and sold a portion to the MCPASD in 2005 for the school site. Land uses adjacent to the proposed amendment are as follows: North: Low density single-family residential (Town of Middleton) South: Low density single-family residential (Town of Middleton) Agriculture, church (City of Madison) East: Residential (Blackhawk Neighborhood; Town of Middleton, City of Madison) West: Pope Farm Park (Town of Middleton) Existing Transportation System. The major roadways serving the proposed amendment area are Old Sauk Road, an east-west minor arterial that is four lanes, but transitions down to two lanes west of Cricket Lane; and Pleasant View Road, a north-south, two-lane minor arterial. Blackhawk Road, an east-west local street, will also serve the area. There are currently no regular Metro Transit fixed-routes serving the Blackhawk Neighborhood. The nearest routes are those serving the Old Sauk Trails Office Park (about 1.5 miles east of the amendment area) Route 15, a downtown commuter route and Route 73, which connects the Middleton and West Transfer Points. The Madison Area Transportation Planning Board’s Rideshare Etc. Program provides ride-matching services for individuals interested in car-pooling or vanpooling. Dane County contracts with a private provider, Transit Solutions, for limited group ride service for the elderly and persons with disabilities to nutrition sites, senior center activities, adult day care, and shopping. The Retired Senior Volunteer Driver Escort Program (RSVP) uses volunteer drivers to provide individual rides for the elderly, primarily to medical appointments. 9 1100 1000 B la ck Ea h rt C re ek 1000 Blackston e Co Rose Court u rt 1100 1100 gW d y ai l rs T r we rS er e an et 1100 Cr ic tre e ay B ear w Cl a W 0 White Fox Lane 1100 H e a th ll L Pioneer Road 1100 11 0 o Kn n Drive Schewe Road 0 Bear C l aw Wa Tr a Blue Aster Trail He r o lo Twin Valley Road e pp Blue F Cone 11 0 ive f Dr Shadow Ridge Trail W Old Sauk Road 1100 n ll e Fa L ea y Dr i v e k et La n d Sk 11 0 0 Re W i nd in Sandhill R o a ay Blackhawk Road Rivercrest Drive 0 11 Elderberry Road 0 Po int Trail 11 0 i n al 0 rd Ca 1100 Map 4 Elevation Amendment to the Central Urban Service Area in the City of Madison and the Town of Burke 2 Apr. 2009 100 Foot Interval Proposed Urban Service Area Boundary 20 Foot Interval Existing Urban Service Area Boundary 4 Foot Inverval Incorporated Area 0 1000 Feet Prepared by staff of the CARPC. u rt Blackston e Co Rose Court Blackhawk Road ScB DnB Sandhill R o a MdC2 d KrD2 BoC2 y Wi er o Kn ll L e an n Drive n d ing Way we rS tre e et Cr ic KeB ay Schewe Road RaA B Pioneer Road W Old Sauk Road Bear C l aw Wa ai l rs T r Shadow Ridge Trail BbB H e a th BbA e pp He r o lo BoD2 n ll e Fa L ea Blue ive f Dr F Cone Twin Valley Road BbB ri d S k y D ve Tr a BoD2 Blue Aster Trail Re k et La n ScB ear w Cl a W White Fox Lane Rivercrest Drive Elderberry Road rd Ca i n al Po int Trail Map 5 Soil Type Amendment to the Central Urban Service Area in the City of Madison and the Town of Burke 2 Apr. 2009 Proposed Urban Service Area Boundary 0 1000 Existing Urban Service Area Boundary Incorporated Area Feet Prepared by staff of the CARPC. u rt Blackston e Co Rose Court gW d y He r o ll L e an n Drive ai l rs T r we rS et ay Schewe Road Cr ic tre e B Pioneer Road er o Kn Bear C l aw Wa e pp Blue k et La n Tr a ive f Dr lo Twin Valley Road L ea y Dr i v e Shadow Ridge Trail W Old Sauk Road H e a th n ll e Fa d Sk F Cone Blue Aster Trail Re W i nd in Sandhill R o a ay Blackhawk Road ear w Cl a W White Fox Lane Rivercrest Drive Elderberry Road rd Ca i n al Po int Trail Map 6 Soil Limitations Amendment to the Central Urban Service Area in the City of Madison and the Town of Middleton 2 Apr. 2009 Proposed Urban Service Area Boundary Existing Urban Service Area Boundary Incorporated Area Prime Farmland (38.9 acres) Severe Limitations to Development (3.2 acres) 0 1000 Feet Prepared by staff of the CARPC. Blackstone Co u rt Rose Court Blackhawk Road T ra L ea B lue ive f Dr e pp ai l rs T r Wi ne k et La n Cr ic Schewe Road White Fox Lane Fargo Trail La e rS t re et Pioneer Road rK t he H ea ll no n Drive n d ing Way we Shadow Ridg e T rail W Old Sauk Road He r o Fl o Twin Valley Road n ll e Fa y D r ive d Sk C one Blue Aster Trail Re Bear C la w Wa y Sandhill R o ad Rivercrest Drive Elderberry Road rd Ca ina l P oint Trail Map 6a Seasonal High Water Table Areas 5 3. 75 4. 5 2 3. 5 Min. Depth to Water Table (ft) 0 Amendment to the Central Urban Service Area in the City of Madison and the Town of Middleton 24 Mar. 2009 0 1,000 Feet Prepared by staff of the CARPC. Bicycle travel is currently accommodated through shared use of roadways with motor vehicles. Old Sauk Road has bicycle lanes east of Cricket Lane where it is four lanes. Pleasant View Road has an extra wide paved shoulder to accommodate bicyclists from Mineral Point Road to Old Sauk Road, but north of Old Sauk it is designated as least suitable for bicyclists. There is a sidewalk on the north developed side of Old Sauk Road east of Trapper’s Trail. All of the local streets within the Blackhawk Neighborhood have sidewalks. 4. Consistency or Conflict With Adopted Plans and Policies The proposed amendment is consistent with the Blackhawk Neighborhood Development Plan, as amended by the Madison Common Council August 1, 2006; and consistent with the City of Madison-Town of Middleton Cooperative Plan, adopted in 2006, which calls for all of the amendment area to be transferred to the City of Madison jurisdiction in 2042, if not voluntarily attached prior to that time (see Map 7). The amendment lies south of the Black Earth Creek Natural Resource Area Boundary as shown in the Dane County Park and Open Space Plan. The development of an elementary school in the amendment area supports the CARPC goal of promoting balanced communities. The planned elementary school serves the needs of existing and future residents and supports the following Neighborhood Development objectives of the CARPC: x x x x Providing a walkable destination for the neighborhood. Promoting development, which complements and reinforces the existing and planned neighborhoods. Increasing and improving pedestrian and bicycle transportation within the community. Providing development (school) that compliments and supports cultural and historical resources (Pope Farm Park). Although attendance boundaries have not yet been determined, the location of the new school in relation to the existing and anticipated school population is anticipated to provide elementary students in the area with shorter distances to school and closer identification with a school “neighborhood.” Although some students attending the proposed school will likely be transported from beyond the immediate neighborhood, pedestrian and bicycle facilities proposed for the area will provide pedestrian and bicycle access for students in the adjacent Blackhawk Neighborhood and the nearby Elderberry Neighborhood (MCPASD policy provides bus service for students living beyond 1.1 miles from their assigned school or across hazardous roads). The proposed elementary school includes several design features in keeping with the CARPC goal of supporting sustainability. According to the MCPASD website, the new school will include geothermal heating and cooling; energy efficient windows, walls and roofs; low energy lighting; and other energy efficient features. The MCPASD Board of Education has made the decision that sustainable features and systems that would qualify the facility for LEED certification will be incorporated into the proposed new school, although the Board has chosen not to pursue the LEED certification process at this time. 14 Approximately 67 percent (39 acres) of the amendment area is composed of prime agricultural soils, and 40 acres will be removed from farming. In 1999, the amendment area was part of a hobby farm in the Town of Middleton owned by the Pope family. At that time, the family sold the 145-acre farm to the Town to provide an educational farm park designed to share the agricultural and natural history of the area with the public, and particularly with school children. At the time of the purchase, the Town designated 105 acres for Pope Farm Park, and reserved the 40 acres adjacent to the City of Madison and Blackhawk subdivision for possible future sale. The park property includes interpretive signs and hiking trails, and is partially farmed in varying crops to demonstrate the historical agriculture of the area. In 2005, the Town of Middleton sold the surplus 40 acres to the Middleton-Cross Plains Area School District for a school site. The anticipated future relationship between the school and the educational park may be viewed as indirectly providing a benefit to agriculture by providing the opportunity for students to learn about agriculture and the agricultural and natural history of the area. The Town views the school use as complementary to the purpose of the park, and as a valuable buffer between the Blackhawk Neighborhood in the City of Madison and the park and agricultural areas of the town. The portion of the amendment proposed for new low density residential development (approximately 3.5 units per acre) is consistent with the Blackhawk Neighborhood Plan. The scale and density of the new lots are intended to fit in with the adjacent lots to the rear of the new residential lots, which are developed with relatively large homes at low densities. According to the Blackhawk Neighborhood Plan, the neighborhood as a whole includes a range of housing types including medium density areas with almost 16 units per acre and low density areas with larger lots to preserve trees and natural features. The residential density identified in the plan for the neighborhood as a whole is approximately 4.4 units per acre. (Residential density for CUSA as a whole is 6.6 units per acre.) The nine large single family residential lots that currently exist in the amendment area, and remain in the Town of Middleton, decrease the overall density within the amendment area to one unit per acre. Although the City notes that it is possible that these lots will be subdivided or built to higher densities in the future, the City is not proposing higher densities for those existing parcels at this time. The addition of 40.0 developable acres proposed in the current amendment is well within the CARPC forecast of 2030 land demand for the CUSA. In late 2008, the Wisconsin Department of Administration (DOA) released updated population projections for Dane County. Preliminary calculations of land demand based on the new forecast indicate that, following WisDNR approval of the addition in the Pumpkin Hollow neighborhood (approved by CARPC March 12, 2009), the Central Urban Service Area will require an additional 2,311.6 developable acres to accommodate the 2030 population. CARPC staff is working on new methodologies to improve the analysis of need for acreage to meet future land demand in urban service areas by refining land demand calculations and incorporating input from individual communities in quantifying existing developable land. The proposed amendment is a logical expansion of the CUSA. It is adjacent to the existing urban service area to the east and south, with access to urban services from these adjacent areas. 15 Blackhawk Neighborhood Development Plan As Adopted March 1994, Amended August 2006 and *implemented through subdivision and zoning approvals Blackhawk Road Swallo Pleasant View Road wtail Dr Sandhill Rd Future School Site Set tler s Winding Way Rd . Park Park Park Church Electric substation MAP 7 Existing Land Use* and Proposed Land Use on Vacant NDP Land ark Low Density Res. Park Institutional Low-Med. Density Res. Med. Density Res. Last Update of NDP file: July 2007 M:\arc\avdata\c_plan\community based info\ndp to print current\Blackhawk_letter.mxd Park, Drainage and Open Space 0 Feet 500 1,000 City of Madison Department of Planning & Community & Economic Development, Planning Division MAP 8 The amendment area is centrally located in the Middleton-Cross Plains Area School District attendance area and was selected by the district as a new school site because it is adjacent to the Blackhawk and Elderberry neighborhoods. The Elderberry neighborhood, located immediately south of the amendment area (bounded by Old Sauk Road on the north, Mineral Point Road on the south, Pleasant View Road on the east, and Pioneer Road on the west) is one of two areas identified as a major growth area for the district over the next several years. Elementary students residing in the Blackhawk neighborhood are currently split between Sunset Ridge Elementary School (approximately three miles to the north in the Town of Middleton), and Sauk Trail Elementary School (approximately three miles northeast, in the City of Middleton). (See Map 8 on previous page.) 5. Proposed Urban Services Public Water System. Water service to the proposed amendment area will be provided by the Madison Water Utility through extensions of the existing 12-inch water main in River Birch Road, the 8-inch water main in Shadow Ridge Trail, and the 12-inch water main in Old Sauk Road, all to the east of the amendment area. The current capacity of the City of Madison water system is 68 million gallons per day, with an average demand of 32 million gallons per day. Peak water demand in 2008 was 45 million gallons per day. Water services are adequate for fire fighting services, and can provide 2,000 gallons per minute for 2.5 hours. The Blackhawk booster pumping station, with a capacity of 2,800 gallons per minute, currently serves the western portion of the Blackhawk Neighborhood, and will serve the amendment area. The system includes fire hydrants. Ultimately, western portions of the Blackhawk Neighborhood, and additional lands to the south in the Elderberry Neighborhood, will be served by a new water tower to be constructed on a property owned by the Water Utility near the intersection of West Old Sauk Road and Pioneer Road. This new water tower is planned for construction by 2015. The existing Blackhawk booster pump station would be used to fill the tower and supplement water pressures as needed. Wastewater. The proposed amendment area, with the exception of the northern portion nearest Blackhawk Road, will be served by the extension of the existing gravity sanitary mains located in River Birch Road and Silver Sage Trail. There is ample capacity in the City collection system to serve the school complex and the expected development in the amendment area. The Madison Metropolitan Sewerage District (MMSD) will provide wastewater treatment for the amendment area. This area ultimately connects the MMSD West Interceptor – Esser Pond Extension. Service capacity in this interceptor is currently adequate to accommodate the development proposed for the amendment area. The Nine Springs Treatment Facility has a capacity of 50 million gallons per day (mgd), and is expected to reach capacity by 2020 depending on growth rate assumptions. The MMSD is completing a long-range plan that evaluates various options for expanded treatment capacity to serve its current and future service area. Stormwater Management System. Several ridgelines bisect the Blackhawk Neighborhood and amendment area and establish a general division of stormwater drainage. Most of the proposed amendment area will drain to lower elevations near West Old Sauk Road. The 18 area drains to an existing 54-inch stormwater sewer in Fallen Leaf Drive. This storm sewer flows eastward to an existing regional stormwater detention basin of approximately 12.5 acres on Bear Claw Way. The regional system maintains pre-development runoff peaks for all storms including the 100-year event. Discharge from the regional stormwater facility is to a greenway environmental corridor which conveys flows to the South Fork Pheasant Branch. Within the amendment area, a new stormwater detention facility is proposed just south of the planned westward extension of Shadow Ridge Trail and east of the planned north-south local street (see Maps 3b and 3c). This facility will drain to the 54-inch storm sewer in Fallen Leaf Drive, as described above. This facility will be built by the property developer and then dedicated to the City of Madison and maintained by the City. The engineers preparing the school site plans indicate that it is intended to achieve substantial on-site stormwater infiltration from the school site, other development, and roadways by utilizing rain gardens, bioretention, and other techniques, with sediment removal and detention occurring in the pond. Detailed planning for the school site is still in progress and will need to address on-site opportunities for infiltration as the plans are developed more fully. Stormwater management will meet all applicable City of Madison, Dane County and State of Wisconsin standards. Environmental Corridors. The amendment proposal includes 2.9 acres of Environmental Corridors for stormwater facilities. Public Safety Services. The City of Madison Police Department provides police protection services to the City of Madison and will provide services to the portion of the proposed amendment within the City and any additional lands as they are annexed to the City in the future. Lands not currently in the City of Madison will continue to receive services from the Dane County Sheriff Department. The City currently has 438 full-time equivalent police officers, or about 1.93 officers per 1,000 residents, well within the CARPC guideline of one officer per 1,000 residents. The number of officers and the ratio to population varies over time but the City plans to maintain average police staffing levels at about this level in the future. The proposed amendment is served from the West District Police Station located at 1710 McKenna Boulevard, approximately six miles from the amendment area. The City of Madison Fire Department provides fire protection and emergency medical services for the City of Madison, and will serve those areas within the amendment area within the City. Three Madison fire stations serving the amendment area are Fire Station No. 2, located at 421 Grand Canyon Drive, Fire Station No. 9 located at 201 N. Midvale Boulevard, and Fire Station No. 7 located at 1810 McKenna Boulevard. Response time to the amendment area is estimated to be approximately 6 to 8 minutes. The City of Madison has an ISO fire rating of three, well within CARPC fire protection guidelines. A new Madison Fire Station is being constructed at 400 South Point Road, scheduled to be completed in late summer or early fall of 2009. This facility will become the primary fire station for this area, reducing the estimated response time to 4 to 6 minutes. Lands within the Town of Middleton will continue to receive public safety services through the Town. Fire protection is provided by the Middleton Fire District, a paid on-call department serving the City of Middleton, Town of Middleton, Town of Westport and Town 19 of Springfield. Fire Station 2 is located in the Town of Middleton. EMS service is provided by the City of Middleton EMS, located on Parmenter Street in the City of Middleton. Police services are provided by the Dane County Sheriff’s Office from the West Precinct at 7555 W. Old Sauk Road. Streets and Sanitation Services. The Madison Streets Division provides solid waste collection, street repair, street cleaning and snow and ice control to the amendment area. Street maintenance services are provided on City of Madison public streets. These services will be provided to the amendment area from the West Badger Public Works Facility. Lands within the amendment area that are not currently in the City of Madison will continue to receive services from the Town of Middleton. School and Park Facilities. The amendment area is within the Middleton-Cross Plains Area School District and is planned as a school site to serve the district. MCPASD has seen over 20 percent growth in enrollment over the last ten years, the fourth highest growth rate among the 15 suburban Dane County school districts. MCPASD currently has six elementary schools, two middle schools, one high school and an alternative high school, and is facing significant overcrowding issues, particularly at the elementary and middle school levels. The amendment area includes no additional public parkland. The residents of the area will be served by Blackhawk Park, a 16-acre park located approximately one-half mile east of the amendment area. Residents may also use recreational fields and play equipment on the school site during non-school hours. The adjacent Pope Farm Park provides passive recreational opportunities. Urban Transportation System. The neighborhood plan proposes a new north-south street through the amendment area connecting Old Sauk Road and Blackhawk Road. Schewe Road is planned to be realigned to connect directly with this new street at the intersection with Old Sauk Road. In addition, two local streets—Shadow Ridge Trail and River Birch Road—will be extended west connecting to this new north-south street providing direct access to the amendment area from the neighborhood. All of these streets will include sidewalks. A north-south off-street bicycle/pedestrian path through the amendment area is planned as recommended in the Regional Transportation Plan 2030. This path is planned to continue south through other planned neighborhoods, generally following a planned stormwater greenway. 6. Impacts or Effects of Proposal Surface Water Impacts. Unless effective mitigation measures are used, the potential impacts of urban development on receiving water bodies are to increase stormwater runoff rates and volumes causing hydrologic changes in receiving streams, reduce groundwater recharge and stream base flow, and introduce additional contaminants into the receiving bodies of water. This occurs from the expansion of impervious surfaces (i.e., streets, parking areas, and roofs). Development can also cause substantial soil erosion and off-site siltation from construction activities. Stormwater from the impervious area associated with the school site and residential development to the east will flow south and southeast to a wet detention basin that will flow through several regional facilities in the cities of Madison and Middleton, ultimately discharging to Pheasant Branch Creek, and eventually to Lake Mendota. Increased runoff 20 rates and volumes, if not managed and mitigated, can result in increased streambed and bank erosion. The increased runoff volume can also worsen the flooding in the Yahara watershed. The applicant proposes to mitigate the urban non-point source impacts of the proposal as follows: 1. The City of Madison Erosion and Stormwater Runoff Control Ordinance requirements will provide construction site erosion control (limit total off-site soil loss to a maximum of 7.5 tons per acre per year) with the installation of best management practices prior to land disturbing activities and with aggressive enforcement during building construction. 2. The City of Madison Erosion and Stormwater Runoff Control Ordinance requirements will provide post-construction sediment control (reduce total suspended solids leaving the site by 80%) for the average annual rainfall with the installation of wet detention ponds and/or similar best management practices to be designed during detailed development planning and detailed stormwater management planning. 3. The City of Madison Erosion and Stormwater Runoff Control Ordinance requirements will provide post-construction peak runoff rate control (maintain predevelopment peak runoff rates) for the 1, 2, 5, and 10-year, 24-hour storms with the installation of retention and detention areas and/or other best management practices to be designed during detailed development planning and stormwater management planning. 4. The stormwater management plan proposes to maximize infiltration to the extent possible with the installation of rain gardens and other best management practices to be designed during detailed development planning and detailed stormwater management planning. At a minimum, the City of Madison Erosion and Stormwater Runoff Control Ordinance requires post-development infiltration of at least 90% of predevelopment infiltration volumes in residential areas and 60% in commercial areas or meeting the estimate average annual recharge rate of 7.6 inches per year. 5. RPC conditions associated with previous USA amendments have resulted in the construction of regional stormwater facilities in the Badger Mill Creek and Pheasant Branch watersheds controlling post-development peak stormwater flows to predevelopment peaks for all storms including the 100-year event. These facilities will control peak runoff from the proposed amendment area, except the portion with existing development draining to the Black Earth Creek. 6. The school site development proposal includes low impact practices with the goal of maximizing infiltration beyond minimum standards, and with the goal of maintaining pre-development discharge volume in addition to peak control. The proposed stormwater management plan does not detain storm events larger than the 10-year, 24-hour storm in the Black Earth Creek watershed. However, this area is already developed in the town, and the portion in the City of Madison is planned to remain in open space and to maximize infiltration. Because increased peak flow rate and volume of runoff for larger storm events in developed areas can cause adverse hydrologic impacts on receiving streams, it is important to maintain pre-development volumes of runoff if the area is redeveloped with higher density. Energy dissipaters, level spreaders, and stable outlets will also be needed for the overflow to prevent erosion and channelization which can result from concentrating pre-development overland flow regimes. 21 Transportation System Impacts. The proposed amendment is intended for a new elementary school and potentially a future middle school operated by the Middleton-Cross Plains School District. In addition, an estimated 21 single-family dwelling units are planned within the area. When fully developed, the elementary school and residential development could be expected to generate approximately 1,000 one-way vehicle trips on an average weekday. If a middle school is built, it would add another 1,400 one-way vehicle trips. In 2006, the average weekday traffic (AWT) volume on Old Sauk Road west of Pleasant View Road was 9,200. The 2006 AWT volume on Pleasant View Road was 10,950 north and 6,700 south of Old Sauk Road. Blackhawk Road had a 2006 AWT volume of 1,800 west of Pleasant View Road. There is sufficient roadway capacity to handle the expected traffic from the proposed amendment. A minor improvement to the intersection of Old Sauk Road and the new northsouth street may be necessary. School System Impacts. The amendment proposal adds an estimated nine students to the Middleton School District. The proposal also allows for the development of a new elementary school in the near term and a potential middle school in the future. The area is currently within the attendance area for Sauk Trail Elementary School, Kromrey Middle School and Middleton High School. All of these schools are currently over capacity. (Four of the five other district elementary schools and the second middle school are also over capacity.) Middleton has experienced 20.4 percent growth over the last 10 years, the fourth highest growth rate among the 15 suburban school districts in Dane County. Construction of a new elementary school in the amendment area would ease district-wide overcrowding at the elementary level and elementary students residing in the amendment area will likely be assigned to the new elementary school. Bus service would be provided to the assigned middle school and Middleton High School. 7. Alternatives The majority of the amendment area is within the City of Madison and owned by MCPASD. The proposed school site is centrally located in the Middleton-Cross Plains Area School District attendance area and was selected by the district as the most desirable location for a new school because of the proximity to the Blackhawk and Elderberry neighborhoods. The Elderberry Neighborhood is one of two areas identified as a major growth area for the district over the next several years. Elementary students residing in the Blackhawk neighborhood are currently split between Sunset Ridge Elementary School (approximately three miles to the north in the Town of Middleton), and Sauk Trail Elementary School (approximately three miles northeast, in the City of Middleton). The proposal for the amendment area includes bicycle and pedestrian connections to the east (Blackhawk neighborhood) and south (Elderberry neighborhood), providing off-street routes for students traveling to the schools. 8. Controversies, Comments Received, Unresolved Issues A public hearing before the Capital Area Regional Planning Commission is scheduled for April 9, 2009. No comments have been received and no controversies are noted. 22 9. Conclusions and Staff Recommendation The proposed amendment is for a school complex and some additional residential development. It is located to allow some of the students who live nearby to be able to walk or bike to school. It is being designed with LEED standards and low impact development stormwater measures. A portion of the land will be used for residential development consistent with the adjacent Blackhawk neighborhood. The amendment area also includes nine existing residential lots on its northern and southern edges. These are large lots which were developed with septic systems in the town, and are being included in case there is a need for sanitary sewer in the future. The amendment area includes an area (3.2 acres) of soils with hydric inclusions and steep slopes. These areas have a limited suitability for development due to their high water table or steep slopes. The proposed buildings are not located within these areas. No other environmentally sensitive area requiring inclusion in environmental corridors were identified in the area. The impacts of the proposed development have been addressed through proposed infiltration measures and existing and planned stormwater management facilities which serve this area. It is advisable in general for the area to maintain pre-development runoff volumes as well as peaks. In the portion of the amendment area located in the Black Earth Creek watershed, it is important to maintain pre-development volumes and peaks for any future redevelopment of the existing residential lots. Staff recommends approval of the amendment based on the proposed land uses and services and conditioned on the City of Madison pursuing the following: Submit a detailed stormwater management plan for CARPC and DCL&WCD staff review and approval prior to any land disturbing activities in the amendment area. The stormwater management plan should include the following: x Install stormwater practices for each area prior to other land disturbing activities. x Control peak rates of runoff for all storms up to and including the 10-year 24-hour event to predevelopment levels. x Demonstrate that runoff from storm event larger than the 10-year 24-hour event will not cause erosive velocities or increase downstream flooding. x Maximize the infiltration of rainfall to maintain pre-development runoff volumes to the extent practicable and protect infiltration areas from compaction and sedimentation. This is especially critical in the small area of existing residential development which is in the Black Earth Creek watershed. x Provide deep tilling in all open space areas. x Prevent increased erosion. x Provide stormwater quality ponds for all developed areas within the amendment area. x Stormwater practices should be publicly managed, or have a perpetual legal maintenance agreement finalized with the City. 23 23 March 2009 K. Mesbah Community Analysis and Planning Division City-County Building, Room 362 210 Martin Luther King Jr. Boulevard Madison, WI 53703-2558 RE: Amending the Dane County Land Use and Transportation Plan and the Dane County Water Quality Plan by Revising the Central Urban Service Area Boundary and Environmental Corridors in the City of Madison and the Town of Middleton. Dear Mr. Mesbah: No previously recorded archaeological site or cemeteries have been recorded for the project area. Archaeological investigations in the vicinity did not result in the identifications of any archaeological sites. As a result, considering the location of the parcel adjacent to these areas, we do not believe that an archaeological survey of the project area needs to be completed. Under Wisconsin law, Native American burial mounds, unmarked burials, and all marked and unmarked cemeteries are protected from intentional disturbance. If anyone suspects that a Native American burial mound or an unmarked or marked burial is present in an area, the Wisconsin Historical Society should be notified. If human bone is unearthed during any phase of a project, all work must cease, and the Wisconsin Historical Society must be contacted at 1-800-342-7834 to be in compliance with Wis. Stat. 157.70 which provides for the protection of all human burial sites. Work cannot resume until the Burial Sites Preservation Office gives permission. If you have any questions concerning the law, please contact Mr. Chip Brown, 608-164-6508. If you have any questions, or if you need additional information, please feel free to contact me. Sincerely; John H. Broihahn State Archaeologist State Archaeology and Maritime Preservation 608-264-6496 [email protected] (asi searches/Dane/ City of Madison_Town of Middleton) DRAFT Resolution CARPC No. 2009-7 Amending the Dane County Land Use and Transportation Plan and Dane County Water Quality Plan by Revising the Central Urban Service Area Boundary and Environmental Corridors in the City of Madison and Town of Middleton WHEREAS, the Capital Area Regional Planning Commission has adopted, amended and reaffirmed the Dane County Land Use and Transportation Plan and Water Quality Plan; and WHEREAS, said plans delineate urban service areas as amended through March 2009; and WHEREAS, the City of Madison has requested an addition to the Central Urban Service Area, and has based the request in part on the Blackhawk Neighborhood Development Plan, adopted in August 2006, and the City of Madison Comprehensive Plan, adopted in January 2006; and WHEREAS, a staff analysis of the proposed amendment has been prepared, which indicates that the amendment is generally consistent with adopted regional plans and policies. NOW, THEREFORE, BE IT RESOLVED that in accordance with §66.0309, Wis. Stats., and Sec. 208 of Public Law 92–500, the Capital Area Regional Planning Commission amends the Dane County Land Use and Transportation Plan and recommends the amendment of the Dane County Water Quality Plan by revising the Central Urban Service Area boundary and environmental corridors as shown on the attached map. Adoption of this amendment is based on the land use and urban service plans submitted in support of this amendment, and conditioned on the City of Madison pursuing the following: April 9, 2009 Date Adopted Jeff Miller, Chairperson
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