Average Well Yield per Section Proof of Ground
Average Well Yield per Section Well drillers provide us with information on well yield. In combination with the well location we can calculate the average well yield for specific areas, in this case for sections. Salt Springs Reservior er Tamarack er Ri v us i sl a an 4 o rk hF Salt Springs Reservior er iv RD N A No R Proof of Ground Water Map lum ne R i v er an i sl a us Ri v er o rk hF er RD N A rk Pardee Reservoir Y2 6 N AI RA NC New Hogan Reservoir W H Ri ve r 49 as Angels Camp HW Copperopolis 45 - 49 Legend 21-50 gpm 1.1 - 5.0 51-100 gpm 5.1 - 20.0 >100 gpm 20.1 - 80.0 80.1 - 2000.0 Y RD 0.1 - 1.0 RR 11-20 gpm FE Yield of ind. Wells (gpm) HWY 4 S Data from w ell completion reports submitted to DWR or CCDEH Moderate to High 5 ! NE 19% us i sl a an o rk Y hF RD N sR The recorded information New Melones Reservior on well yield, depth etc. in conjunction with the exact location of each well can be Tulloch Reservior used for a verification and refinement of the Groundwater Potential map which is used for the Proof of Groundwater Ordinance as established by the Board of Supervisors in 1999. Y 33 - 44 BY R 26% r ee k HW Ro c k C O 5-10 gpm Murphys Salt Spring Valley Reservior Zero to Low >5 gpm C Y4 Y4 HW Ground Water Potential 17% A 5 ! er 12 - 32 50 - 59 P R Y 16% Ri v er R EE HW 17% St r RD C D! 5 5 ! Yield rates of 1450 wells in Calaveras County drilled since 1977 4 W H D MO UN T 0 - 11 5% e H San Andreas ve Ri as er RR al a v u m n e R iv R Mountain Ranch v ala FE Tulloch Reservior k el C rk Fo S Average in gpm Y Mo N 2 k N RA HWY 1 New Melones Reservior NE Legend Fo r 5 ! 5 ! 5 ! BY R HWY 4 th SH Valley Springs O 100 - 600 5 ! 49 H WY 1 2 r uth So Copperopolis Camanche Reservoir Ri v e Arnold 9 Y4 Y 20 - 100 S JE U S M AR IA HW ek HW 5 - 20 So u H Salt Spring Valley Reservior lum ne ort r ive sR D laver a s Riv er a C H 1-5 5 ! Mok e r No r 5 ! Y4 HW Mokelumne Hill H W Y Nort h 26 Fo r k rk RD RD Sta ni s l au as RR Y4 e d dle F 26 HW R ID GE R Ri ve mn k el u Mo Mi 5 ! Y2 6 Ri ve r Murphys r FE Tulloch Reservior HW West Point o W W H S Angels Camp re Ro c k C r th F o Y NE 49 k el eR um n T OAD LA F ve Ri as er 5 ! 5 ! iv R R Mo Y er Tamarack RAIL R New Hogan Reservoir Y2 6 C R HW BY R C NC D N MO UN T A I RA P H San Andreas v ala O Y al a v D! 5 EE MO Mountain Ranch C rk Fo New Melones Reservior St 4 W H 5 ! N HW Y 12 e Arnold 5 ! 5 ! u m n e R iv Salt Springs Reservior RA Valley Springs k el uth So 49 Mo N H H WY 1 2 k SH HW Y Fo r W Pardee Reservoir 9 Y4 ee k th ort Fo r k Nort h D laver a s Riv er a C So u Y2 6 r ive as 26 e S JE U S M AR IA HW Sta ni s l au sR Camanche Reservoir Average in gpm Mok e Y Mokelumne Hill H W Y r H Salt Spring Valley Reservior HWY 4 rk r r Murphys WY 4 Y4 HW > 1.00 HW R ID GE R Ri ve mn k el u Mo 5 ! 5 ! d dle F 26 H W H Ri ve r Y 49 5 ! Copperopolis Mi 5 ! RD RAIL ROA AT D FL HW ve Ri as er 5 ! Angels Camp r Ro c k C o Y er Legend r th F D New Hogan Reservoir West Point rk R C k el o R H MO UN T 5 ! N AI N San Andreas C AN Mo MO H R P 5 ! eR um n MO Y2 6 W EE D! 5 Tamarack r W H St ive e N RA H WY 1 2 v ala Y2 6 u m n e R iv C rk Fo C k el SH Mountain Ranch 9 Y4 al a v Mo 5 ! 5 ! 2 k uth So HWY 1 i v er Arnold HW Valley Springs R lum ne Y Fo r H Camanche Reservoir Mok e ort S JE U S M AR IA th RD Pardee Reservoir rk r No r Ri ve 5 ! So u T OAD LA F Mokelumne Hill H W Y 26 D R s ver a a l i v er Ca RAIL R Nort h Fo r k d dle F 26 HW R ID GE R e Mi 5 ! Sta ni s l au West Point o Y mn k el u o M R o r th F In the same way the average yield can be calculated for all geologic formations, allowing a rough estimate of the potential for ground water. 5 ! iv ke rk Mo ne l um Average Yield per Geologic Formation 49
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