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ANALYSIS OF THE 1998 WATER-DISTRIBUTION SYSTEM
SERVING THE DOVER TOWNSHIP AREA, NEW JERSEY:
Field Data Collection Activities and
Water Distribution System Modeling
TABLE OF CONTENTS
CONTENTS
Supplemental Data
List of Illustrations
List of Tables
Conversion Factors for Units
Glossary Abbreviations
Sea Level Definition
Method of Analysis
Description of the Water-Distribution System
Initial Model Simulation
Technical Work Group and Expert Panel Review
FIELD-DATA COLLECTION ACTIVITIES
Hydrant Selection
Data Recording Equipment
Test Protocol
Analysis of Pressure Data
WATER-DISTRIBUTION SYSTEM MODEL DEVELOPMENT
Historical Background
Hydraulic Simulation Model
Water-Quality Simulation Model
Overview
Requirements for Model InputJunction Data
Tank Geometry and Initial Water-Level Data
Pipeline Data
Pump Data
Pump Control Data
Pattern Data
Time Parameter Data
Use of the Model for Epidemiologic Investigations
Proportionate Contribution of Water for the 1998 System
Areal Distributions, Dover Township Area, New Jersey
Selected Locations, Dover Township Area, New Jersey
Acknowledgments
Disclaimer
Availability of Model Input Data Files
Appendix A. Photographs showing locations of test hydrants used for pressure tests
Appendix B. Letter of calibration for pressure data loggers
Appendix C. Entry form used to record installation information for pressure tests
Appendix D. Graphs of measured pressure, one-minute sampling interval, March 1998
Appendix E. Graphs of measured pressure, one-minute sampling interval, August 1998
Appendix F. Graphs of flow versus head for booster pumps
Appendix G. Tables and graphs of consumption demand factors and groundwater well pumping factors, March 1998 simulation
Appendix H. Tables and graphs of consumption demand factors and groundwater well pumping factors, August 1998 simulation
Appendix I. Graphs and tables of measured and simulated pressure, March 1998
Appendix J. Graphs and tables of measured and simulated pressure, August 1998
Appendix K. Graphs and tables of measured and simulated hydraulic head for storage tanks, March 1998
Appendix L. Graphs and tables of measured and simulated hydraulic head for storage tanks, August 1998
Appendix M. Graphs and tables of measured and simulated booster pump flows, March 1998
Appendix N. Graphs and tables of measured and simulated booster pump flows, August 1998
Appendix O. Graphs and tables of measured and simulated well flows, March 1998
Appendix P. Graphs and tables of measured and simulated well flows, August 1998
Appendix Q. Graphs of simulated barium concentration in storage tanks showing a dynamic equilibrium condition
Plates 1-22. Shown as HTML documents or PDF files. To download the PDF
file, you will need Adobe
Acrobat Reader.
Maps showing:
Figures 2-10. Photographs showing:
Table
- Description of water-distribution system tanks, wells, and pumps, Dover Township area, New Jersey
- Identification, coordinates, and location of test hydrants used for the March and August 1998 pressure tests, Dover Township area, New Jersey
- Hydrant identification and corresponding data logger serial numbers used for theMarch and August 1998 pressure tests, Dover Township area, New Jersey
- Comparison of maximum and minimum pressures obtained from the March and August 1998 pressure tests, Dover Township area, New Jersey
- Set of input data properties required by EPANET to model the water-distribution system serving the Dover Township area, New Jersey
- Sources for data and model parameter values used to construct the water-distribution system model, Dover Township area, New Jersey
- Storage tank identification, hydraulic data, and dimensions used for EPANET simulations of the water-distribution system serving the Dover Township
- Pipeline characteristics of the water-distribution system, Dover Township area, New Jersey
- Pump identification, characteristic data, calibrated values, and status during March and August 1998 pressure tests, Dover Township area, New Jersey
- Qualitative evaluation of sources for model error, water-distribution system model, Dover Township area, New Jersey
- Summary of comparisons between test data and model simulations for the March and August 1998 pressure tests described in report, Dover Township area, New Jersey
- Variation of parameter values used to conduct sensitivity analyses using the calibrated water-distribution system model, Dover Township area, New Jersey
- Comparison of simulation statistics for the water-distribution system model using calibrated and varied parameters, Dover Township area, New Jersey
- Identification of barium sampling locations and comparison of measured and simulated barium concentration values, Dover Township area New Jersey
- Simulated proportionate contribution of water for 1998 conditions from points of entry to selected locations, Dover Township area, New Jersey
Factors for converting inch-pound units to the International System (SI) of units are given below: | ||
Multiply |
By | To obtain |
cubic foot per second (ft3/s) | 0.02832 | cubic meter per second (m3/s) |
foot (ft) | 0.3048 | meter (m) |
gallon (gal) | 3.785 | liter(L) |
gallon per minute (gpm) | 0.06309 | liter per second (L/s) |
inch (in.) | 2.54 | centimeter (cm) |
mile (mi) | 1.609 | kilometer (km) |
million gallons (Mgal) | 0.003785 | cubic meter (m3) |
million gallons per day (MGD) | 0.04381 | cubic meter per second (m3/s) |
part per billion (ppb) | 1.00 | microgram per liter (mg/L) |
pound per square inch (psi) | 6.8948 | kilopascal (kPa) |
Abbreviations and their definitions used throughout this report are listed below. | |
Abbreviation |
Definition |
ATSDR | Agency for Toxic Substances and Disease Registry |
CNS | Central nervous system |
DEM | Digital elevation model |
EPA | U.S. Environmental Protection Agency |
EPANET | A water-distribution system model developed by the EPA |
EPS | Extended period simulation |
GPS | Global positioning system |
NJDHSS | New Jersey Department of Health and Senior Services |
NPL | National Priorities List |
PC | Personal computer |
PVC | Polyvinyl chloride (plastic) pipe |
SAN | Styrene-acrylonitrile trimer |
SCADA | Supervisory control and data acquisition |
SVOC | Semi-volatile organic compound |
TCE | Trichloroethylene |
USGS | U.S. Geological Survey |
VOC | Volatile organic compound |
UWTR | United Water Toms River, Inc. |
In this report, "sea level" refers to the National Geodetic Vertical Datum of 1929 (NGVD of 1929)-a geodetic datum derived from a general adjustment of the first-order level net of both the United States and Canada, formerly called "Sea Level Datum of 1929."
ATSDR
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