Groundwater Contamination by Chlorinated Hydrocarbons: Causes and Prevention
Groundwater contamination by chlorinated hydrocarbons is becoming a major problem to public water suppliers and private homeowners who have their own wells. The chemical background, composition...

1981 Clean Air Act Amendments: A Call for Rhyme and Reason
The state of the nation's clean air legislation is reviewed and found lacking common sense; changes to the law are recommended. Significant improvements in air quality for...

Tampa's Hookers Point AWT Plant Working Well
The Tampa, Florida advanced wastewater treatment plant is designed to remove a high degree of BOD suspended solids, nitrogen and phosphorous. Presently, the state has exempted the plant...

East Bay Waste Management: From Landfill to Park
A balancing act between public interests, government regulations, and a private concern evolved into a total waste-management system for the San Francisco Bay area cities. Civil engineers...

Can Clay Liners Prevent Migration of Toxic Leachate
According to recent research, low permeability clay barriers, used by landfill operators to contain hazardous wastes, can be rendered highly permeable by certain aggressive chemicals including...

If Your City's Well Water Has Chemical Pollutants, Then What�
Synthetic organic chemicals, especially certain solvents, are showing up in groundwater all over the U.S. and in many other industrial countries as well. These substances, some of which...

Rocky Mountain Arsenal: Landmark Case of Groundwater Polluted by Chemicals
For more than 20 years, the Army's Rocky Mountain Arsenal near Denver has been dealing with groundwater pollution caused by chemical warfare agents and pesticides. The arsenal...

EPA Moving to control Industrial Toxic Pollutants with New NPDES Permits
To date, the main thrust of the nation's water pollution control program has been to abate traditional pollutants (biochemical oxygen demand, total suspended solids, and heavy...

Major Changes Ahead in the Nation's Water Cleanup Program
The federal budget squeeze is about to bring some sweeping changes in the nation's water clean-up program. The federal construction grants program will very likely be phased...

Pure and Wholesome
Four papers published between 1899 and 1907 describe problems in sanitary engineering encountered during a time of rapid urbanization. In these papers and associated discussions, leading...

Computer and Physical Modeling in Hydraulic Engineering
Thirty-two papers presented at a conference on computers and physical modeling in hydraulic engineering are included. Types of modeling are explored for thermal discharges, sediment transport,...

Marketplace Solutions to Air Pollution
EPA is promoting new approaches to achieve clean air standards: bubbling, offsetting, banking and emission fees. The programs are flexible, encouraging industry to find the cheapest, most...

New Approach to Storm Drainage Pipe Design
Using a recently developed computer program, drainage swales can be designed to provide short-term storage of stormwater. Benefits of this approach to stormwater management include reduced...

River Clean-Up Plan Developed with Citizens and Industry
In Wisconsin, a group of citizens has worked closely with industry and professional water quality planners to develop a plan to make a once polluted river fishable/swimmable. This plan,...

U.S. Water Policy: Putting the Lid on the Pork Barrel
Federal water policy is undergoing a significant change, both in the way projects are developed and approved and in the kinds of water problems addressed. The Congress and the Executive...

Entrenchment of Sewage Sludge�a Disposal-Use Alternative
Entrenchment of sewage sludge is an alternative for the disposal and use of sewage sludge. Its advantages include high disposal rate, little odor problem, and no surface runoff. Two methods...

Subsidence�A Geological Problem with a Political Solution
Subsidence due to groundwater overdraft is a problem common to areas in the western U.S. with minimal water supplies and growing populations. Action to prevent subsidence-related damage...

Republic Steel Recycling Over 85% of Wastewater from Steel Mill
At its hot-rolling mill in Canton, Ohio, Republic Steel is recycling over 85% of the wastewater it produces. The wastewater contains suspended particles of scale and oils and greases....

Groundwater and Non-Point Pollution: Key Water Quality Issues of the 1980's
Problems of the '80s will include: (1)A major effort to bring municipalities into compliance with clean water laws. So far only 40% of the municipalities are in compliance;...

Irrigation and Drainage
Today's Challenges
Thirty-nine papers presented at the 1980 specialty conference of the ASCE Irrigation and Drainage Division are included. The papers are divided into 12 major topics: 1) Challenge of maintaining...

 

 

 

 

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