Impacts of Stormwater Runoff on Receiving Waters
A planning methodology to assess the impact of stormwater runoff on streams in Vermont is demonstrated. The methodology, which is based on a statistical representation of runoff and stream...
PCB Contamination of a Mass. Harbor: Technical Challenges for a Remedial Solution
The highest priority uncontrolled site in Massachusetts, the New Bedford Harbor Superfund site, is contaminated with high concentrations of PCBs. The magnitude and nature of contamination,...
Oxygen Transfer Studies in Activated Sludge
A bench-scale research project was undertaken to evaluate the two-film model for predicting oxygen transfer rates in sparged suspended growth systems and to determine if interfacial oxygen...
Impoundment Design for Precious Metal Tailings
An engineering study and design of impoundments for the disposal of mill tailings in central Nevada is presented. Mill process waste is generated as flotation tailings and cyanide residue....
Program for Control of Petroleum Refinery Wastewater
The Sanitation Districts of Los Angeles County (LACSD) provide wastewater treatment services to approximately four million residents and eight thousand industrial companies. Large and...
Maintenance Management for a Large Urban Waterworks System
The Boston Water and Sewer Commission (BWSC) owns and operates a water distribution system consisting of 86,000 customer accounts and 1,100 miles of water mains. In 1984, BWSC initiated...
Environmental Infrastructure: Does Civil Engineering Education Meet the Challenge?
The author explores some avenues for re-direction of the civil engineering education process to become more responsive to the needs of infrastructure re-development in the areas of water...
A Stepwise Approach to Environmental Systems Maintenance Management
This paper provides a systematic approach to establishing a maintenance management program for environmental infrastructure. It begins by discussing the definition of program objectives,...
Arsenic Contamination of Private Potable Wells
The results of a series of water testing programs of private residential wells in Pepperell, Massachusetts showed that of 301 wells tested, approximately 12 percent exhibited arsenic levels...
Design and Construction of TCE/PCE Removal Facilities
This paper presents a review of the design and construction of a facility in Arcadia, California, to remove trichloroethylene (TCE) and tetrachlorethylene (PCE) from ground water. (Edited...
Estimating Wastewater Capacity of a Cedar Swamp
The response of water table to rainfall provided the basis for estimating the wastewater capacity of a northern Michigan cedar swamp which had been used for disposal of 30 million gallons...
An Innovative Wastewater Management Program
An innovative wastewater management program is described which has been implemented in Orange County, Florida. The wastewater treatment facility utilizes the Bardenpho advanced biological...
Risks from Metals Emitted by Sludge Incinerators
The types of incinerators most commonly used in the United States are the multiple hearth and fluidized bed designs. Airborne contaminants from either method of sludge incineration may...
Hazard Assessment of Landfill Fire Air Emissions
The PJP Landfill, located in northeastern New Jersey, is a suspected hazardous waste site, and is listed on the federal Superfund National Priorities List. In addition to contaminating...
Denver's Dual Utilization Sludge Management Plan
The Metropolitan Denver Sewage Disposal District No. 1 (District) has adopted a Dual Utilization approach to sludge management. This technique uses composting during periods of inclement...
Health Effects Evaluation?Ocean Disposal of Sludge
Court rulings have recently allowed the ocean disposal of municipal wastewater sludge in certain cases. This paper describes a methodology which was developed to determine acceptable loadings...
Sludge Treatment Design Lands Innovative Funding
The design of sludge treatment facilities for the 10 mgd Ithaca, New York, wastewater treatment plant incorporates both proven technology in the form of gravity thickening and anaerobic...
Environmental Auditing?TVA's Experience
TVA has conducted 70 audits of various TVA operations including construction projects and power plants since 1981. In general, TVA's experience with environmental audits has...
Cultivation of Christmas Trees Using Reclaimed Municipal Wastewater
This investigation was initiated to identify benefits and limitations associated with application of reclaimed domestic wastewater to a crop of improved Virginia pine christmas trees....
Water Conserv II - Reclaimed Water for Citrus Irrigation
Water Conserv II is a water reuse project which will involve the use of highly treated wastewater (reclaimed water) for agricultural irrigation. It is anticipated that the project will...
Return to search