Superfund record of decision (EPA Region 5): Eau Claire Municipal Well Field, Eau Claire County, Wisconsin. First remedial action, March 1988

Technical Report · Thu Mar 31 04:00:00 EST 1988

OSTI ID:6603681

The 500-acre Eau Claire Municipal Well Field (ECMWF) supplies drinking water to approximately 57,600 residents and numerous commercial establishments in the city of Eau Claire and Washington Township. Ground water from five municipal wells in the north well field is contaminated with VOCs. The contamination at the ECMWF site has been characterized as two separate plumes with the estimated volume of contamination at Plume 1 and 2 of 1.9 x 10/sup 8/ ft/sup 3/ and 2.6 x 10/sup 8/ ft/sup 3/, respectively. Concerned about the future use of the water supply, additional testing in September 1982 and January 1983 was conducted to identify the source and extent of VOC contamination. Several residential wells reported detectable levels of VOCs including, 1,1-dichloroethene concentrations in excess of the WDNR health advisory. The Eau Claire site was given a high Superfund NPL priority by WDNR due to the nature of the toxicity and persistence of the contaminants and the large population affected. The primary contaminants of concern affecting the ground water are VOCs and include: chloroform, DCE, dichloroethene, PCE, TCE, and trichloroethane. The selected remedial action for the site is proposed in the report. The estimated capital cost for the remedial action is $1,214,200 with annual OandM of $396,700.

• Research Organization: Environmental Protection Agency, Washington, DC (USA). Office of Emergency and Remedial Response
• OSTI ID: 6603681
• Report Number(s): PB-89-117436/XAB; EPA/ROD/R-05-88/064
• Country of Publication: United States
• Language: English

Related Subjects

29 ENERGY PLANNING, POLICY, AND ECONOMY
290300 -- Energy Planning & Policy-- Environment
Health
& Safety
520600* -- Environment
Aquatic-- Regulations -- (-1989)
54 ENVIRONMENTAL SCIENCES
COST ESTIMATION
DRINKING WATER
FEDERAL REGION V
GROUND WATER
HYDROGEN COMPOUNDS
LAWS
MATTER
NORTH AMERICA
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
POLLUTION
POLLUTION LAWS
REMEDIAL ACTION
SUPERFUND
USA
VOLATILE MATTER
WATER
WATER POLLUTION
WATER SUPPLY
WATER TREATMENT
WATER WELLS
WELLS
WISCONSIN