Controlling Waterborne Giardiasis
A State of the Art Review
The epidemiology of giardiasis and techniques for sampling and analysis to detect Giardia cysts in water are reviewed....
Review of the Nation's Water Resources Infrastructure Needs
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Distribution System Rehabilitation
Hackensack Water Company has had an on-going program of cleaning and lining its transmission mains to increase their capacity and lower its pumping costs. But by late 1986, the need to...
Planning for Infrastructure Rehabilitation and Replacement
A technique has been developed by the Metropolitan Sanitary District of Greater Chicago (MSDGC) to provide a means of budgeting monetary and human resources needed to provide for infrastructure...
Inexpensive Geo-Coding for Water Utilities
Geo-Coding enables Hackensack Water Company to optimize meter reading and customer service routing; to analyze water consumption data at a micro level, and relate that data to census and...
Renewing San Diego Pumping Station No. 64
Pump Station 64 has experienced a number of sewage overflows into Penasquitos Lagoon since 1979 (57 in total). The California Regional Water Quality Control Board (CRWQCB) issued a Cease...
Emerging Applications of Water Valuation
This paper identifies the emerging importance of the water value concept through a number of applications. These emerging applications include natural resource damage assessment, water...
Solutions to Institutional Constraints in Water Marketing
Free market advocates are attracted by the prospect of an economics-driven allocation system of freely transferrable water rights. Engineers see an opportunity to find wet water for their...
Water Marketing in California
Three observations on water marketing in California are presented. One is that water transfers in California will be between public governmental agencies. The second is that traditional...
Water Transfers - The Goose that Lays the Golden Eggs
Water transfers occur naturally due to gravity and artificially due to man. Transfers by man are made in order to increase the value of the resulting product per quantity of water used....
Subsiding Problems with Slurry Walls
Slurry walls for excavation support cost far more time and money than the sheeting wall or the tieback and lagging wall. Criteria to decide where to consider using slurry walls and where...
The Ozone Defense
Ozone is a molecule containing three oxygen atoms. When bubbled through drinking water, the third atom in ozone is attracted away by other molecules, a process called oxidation. This process...
The Impact of the Construction of Public Works by the Earthquakes of September 1985
The earthquake of September 19th and 20th, 1985, is discussed with emphasis on general damage. The works of the Head Office of Urban Services is described in relation to emergency response....
Selenium Threatens Irrigators, Wildlife
Irrigation drainage water has seldom been treated to remove pollutants, but it soon will be treated in California. Drainage from a large portion of the San Joaquin Valley must be treated...
Radon at Home
Radon-222 is a radioactive gas that is present in all homes and found in several million homes in the U.S. at levels that have medical experts concerned about its potential to cause lung...
Monitoring for Hazardous Waste Leaks
It is safer and cheaper to keep hazardous wastes out of the groundwater and the ground than to remove them. But better monitoring will be required. In this three-part article, the first...
A Clean Up in Slow Motion
Eight years have passed since contamination was first discovered at the Valley Wood Preserving plant in Turlock, Calif. Though severe chromium contamination continues to travel toward...
Regulations Target Underground Tanks
When Congress passed the Hazardous and Solid Waste Amendments of 1984, (RCRA), underground storage tanks were considered to be a major threat to the country's water supplies....
A Flood in the Desert
Since 1982 the Great Salt Lake has risen from an elevation of 4,200 ft above mean sea level to a historic high of 4,211.85 ft in June 1986. The sharp rise in the lake has caused considerable...
Waves in the Water Works
The 1986 amendments to the 1974 Safe Drinking Water Act are far reaching laws that may affect many drinking water utilities across the nation in the next decade. Congress passed legislation...
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