Distribution System: Cost of Repair and Replacement
The Safe Drinking Water Act of 1974 mandates that EPA be concerned with the supply of potable water to the consumer. Although most emphasis has been placed on water quality as it leves...
Water Main Cleaning and Lining?A Utility Perspective
The Chester Water Authority is a regional water supply system located in Southeastern Pennsylvania serving a population of over 140,000 people in two countries and a large industrial complex...
Planning for Rehabilitation?MWRA Waterworks System
The Massachusetts Water Resources Authority (MWRA) operates and maintains 255 miles of large diameter distribution mains. Existing problems include increasing steel pipe repairs and extensive...
Computer Control for Salt Lake City Water System
In 1978 the Department of Public Utilities in Salt Lake City began to develop a computer system to aid in the operation of the water system. The Department of Public Utilities computer...
Infrastructure and Marketing in Water Resources
Marketing and infrastructure are two areas of growing interest and importance in engineering. Nearly every engineering discipline now uses some form of marketing to promote its products...
Colorado River Municipal Water District Weather Modification Program 1971-1986
The Colorado River Municipal Water District (CRMWD) has sponsored a rain enhancement program on summertime convective clouds in West Texas since 1971. Silver iodide is used for cloud base...
Advanced Chemigation Systems for Environmental Safety and Groundwater Protection
A multifunction irrigation system has been developed which utilizes a separate dynamic in-canopy nozzle system for chemical application. Testing the system with a lithium tracer on four...
Drip Irrigation for a College Container Nursery
A drip irrigation system was installed by students during the summer of 1987 at the Ohio State University Agricultural Technical Institute, Wooster. The goals of this project were for...
Nebraska's Special Protection Area Program
The designation of a Special Protection Area (SPA) under the program allows the state and local natural resources districts to move from the voluntary to the regulatory arena in addressing...
Needed Social, Cultural and Design Changes to Successfully Manage Nigerian Surface Irrigated Projects
The aim of this paper is to illustrate the broad nature of problems associated with the faulty initial designs of water distribution network and irrigation methods and poor participartion...
Surface Water-Groundwater Relations for Open Channels
For losing channels with clean wetted perimeters (no clogging layers), the seepage rate varies essentially linearly with depth to groundwater if the groundwater is relatively shallow,...
Conveyance Characteristics of Natural Channels in Wyoming
This paper addresses the quantification of instream or conveyance losses of water being transported within natural stream systems in Wyoming using a net total loss and incremental loss...
Groundwater, Technology, and Society
Water management is a multi-dimensional process. Its measures are technology, institutions and society's desires. For a management strategy to be implementable, it must accommodate...
Institutional Approaches to Ground Water Management
The nature of ground water has made the management of it difficult. Lack of understanding regarding the interrelationship of ground and surface waters has sometimes resulted in unworkable...
1987-88 Actions on El Paso vs. New Mexico
It has been determined by the City of El Paso that water wells near the Texas-New Mexico borders should be used to supplement their water supply in the years 2000-2020. Opposition to the...
Economic Analysis of Canal Animal Protection Measures
Justification of canal animal protection measures has been, to a degree, driven by environmental and social constraints and as a result, large expenditures of funds to protect ungulates...
Wetland Impacts of Center Pivots in Wheeler Co., NE
This paper describes an investigation of wetlands impacts from an intensive center-pivot irrigation operation in a 17,000 acre portion of Nebraska's Sandhills region. Well...
Characterizing Groundwater Protection Zones
A method is presented for using geoelectrical methods along with a supporting systems methodology to define aquifer and/or well head protection zones. The systems methodology utilizes...
Effects of Oil Spills on Water Retention in Sandy Soils
This paper concerns the relationships between water and oil saturations in sandy soils. Special attention is given to an environment similar to the groundwater table and the capillary...
Alfalfa Yield Response to Shallow Groundwater
Operating Criteria for the Newland Project assume that crops grown on bottomlands will use some shallow groundwater as partial fullfillment of evapotranspiration demand. Three years of...
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