1. No category

WATER TREATMENT PLANT
OPERATIONS: THEN AND
NOW
Eleana Little, Hazen and Sawyer
Cassandra Malone, Agra Environmental
Neil Goldfine, PE, PP Mavin Consultants
Knowledge Sharing
AWWA-NJ Young
Professionals/Retired
Professionals Joint
Presentation
YPs afforded opportunity for
RP mentorship
YPs gain appreciation for
evolution of water treatment
plant operations
Unique experience for
intimate understanding of a
variety of treatment plant
operations
Case Studies
East Orange Water
Commission: White Oak
Ridge Pumping Station Water
Treatment Plant (1904)
New Jersey American Water
Co.: Raritan-Millstone Water
Treatment Plant (1929)
New Jersey American Water
Co.: Canal Road Water
Treatment Plant (1995)
Thank You!
Outline
Source Water
• Water Storage
Measurement
• Surface Water
Intake
Filters &
Turbidity
Chlorination
Pretreatment
Operations &
SCADA
Chemical
Addition
Low Lift and
High Lift
Pumps;
Auxiliary Power
Source Water
East Orange – exclusively ground water
(18 wells)
Raritan Millstone – primarily surface
water
92% from Raritan River
8% from ground water supply
Canal Road – primarily surface water
Mostly Raritan River, also some
ground water supply
Source Water
East Orange WTP Well Fields
East Orange: Measuring Stick
Source Water
East
Orange
Well Head:
Dickinson No. 3
Source Water
East Orange: Well House Panel
Source Water
East Orange: Pressure Transducer
Source Water
Raritan-Millstone and Canal Road WTP Intakes
Raritan-Millstone: Intake Bar Racks
Source Water
Raritan-Millstone: Plant Intake
Bar racks need to be
manually cleared of
detritus by operator
each day
Freezing conditions:
ice freezes over
screens, needs to be
cleared manually with
tools
Thawing conditions:
ice chunks floating
down river need to be
cleared by hand
Source Water
Canal Road WTP
Canal Road WTP: Plant Intake
Source Water
Canal Road Weir
Raritan-Millstone: Pretreatment
Oxidation with
potassium
permanganate prior to
screening
Additional mechanical
screening via traveling
screens (one traveling
screen for each pump)
Pretreatment
Raritan-Millstone: Traveling Screens
Pretreatment
Canal Road: Pretreatment
Pretreatment
East Orange:
Operations Floor
East Orange: Chart Recorders
Operations
East Orange: Well Charts and Controls
Operations
East Orange: Analog Pump Control Panel
Operations
Raritan-Millstone: Low Lift Pump Station Controls
Operations
Canal Road: Central Operations Control
Operations & SCADA
East Orange: SCADA
SCADA
Monolithic SCADA System
E. Csanyi, Electrical Engineering Portal
SCADA
Distributed SCADA System
E. Csanyi, Electrical Engineering Portal
SCADA
Networked SCADA System
Field Systems
E. Csanyi, Electrical Engineering Portal
SCADA
Canal Road: Local Operator Control Station
Operations & SCADA
Raritan-Millstone: Low Lift Pump Station
Drops in
sedimentation basin
elevation trigger
operator to
engage/disengage
low lift pumps to
move water
Pressure transmitters
send sedimentation
basin elevation data
to operator
Barometer (shown in
picture on right) used
to serve this function
Operations / Low Lift Pumps
Raritan-Millstone:
Low Lift Pump Station Valve Controls
Operations / Low Lift Pumps
Raritan-Millstone:
Low Lift Pumps
Low Lift Pumps
Raritan-Millstone: Motor Control Center
East Orange: Steam Pumps
High Lift Pumps
East Orange: High Lift Pumps
High Lift Pumps
East Orange: Auxiliary Power from U-Boat
Auxiliary Power
East Orange: Diesel Auxiliary Power & Pumping
Chemical Addition
RaritanMillstone
Chemical
Addition
“Recipe Book”
Chemical Addition
Raritan-Millstone: Chemical Feed
Chemical Addition
Canal Road: PLC Chemical Feed
Chemical Addition
Filters and
Turbidity
University of Virginia
Canal Road: Lamella Plate Sedimentation Basin
Filters & Turbidity
Raritan-Millstone: Filter Building
Filters & Turbidity
Canal Road WTP: Local Analog Filter Control
Filters & Turbidity
Raritan-Millstone: Individual Filter Effluent Turbidimeter
Filters & Turbidity
Canal Road:
Individual Filter Effluent Turbidimeter
Filters & Turbidity
Raritan-Millstone:
Filter Building Control Station
Filters & Turbidity
Engineers Without Borders Edinburgh
Chlorination
East Orange: Cylinder System
Chlorination
East
Orange
Chlorine Tank
Scale
Chlorination
East Orange: Accu-Tab
Chlorination
East Orange: Automatic Chlorine Analyzer
Chlorination
Acknowledgements
Thank you to East Orange Water
Commission
Sean Andres
EJ Flynn
William Bierwas
Mark Reed
Thank You to New Jersey American
Water Company
Oleg Kostin