Record Display for the EPA National Library Catalog


OLS Field Name OLS Field Data
Main Title Western Lake Survey Phase I : characteristics of lakes in the Western United States /
Author Landers, D. H. ; Eilers, J. M. ; Brakke, D. F. ; Overton, W. S. ; Kellar, P. E.
Other Authors
Author Title of a Work
Landers, D. H.
CORP Author Environmental Protection Agency, Washington, DC. Office of Acid Deposition, Environmental Monitoring, and Quality Assurance. ;Lockheed Engineering and Management Services Co., Inc., Las Vegas, NV. ;Radian Corp., Research Triangle Park, NC. ;Northrop Services, Inc., Research Triangle Park, NC.;Department of Energy, Washington, DC.
Publisher U.S. Environmental Protection Agency,
Year Published 1987
Report Number EPA/600/3-86/054 a, b
Stock Number PB88-146824
Subjects Acid deposition--United States.
Additional Subjects Acidification ; Lakes ; Water pollution ; Precipitation(Meteorology) ; Physical properties ; Populations ; Chemical analysis ; Western Region(United States) ; Acid rain ; Physicochemistry
Internet Access
Description Access URL
Library Call Number Additional Info Location Last
NTIS  PB88-146824 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 01/01/1988
Collation 2 volumes
A survey of 752 lakes in the mountainous areas of the western United States was conducted in fall 1985 by the U.S. Environmental Protection Agency in cooperation with the USDA-Forest Service. The survey was a stratified design with equal allocation among strata allowing population estimates of physical and chemical characteristics of lakes within the study area to be developed. The five subregions surveyed included California, Pacific Northwest, Northern Rockies, Central Rockies, and Southern Rockies. Almost 37% of the lakes in California had acid neutralizing capacity (ANC) 50 ueq/l, whereas only 4.6% of the lakes in the Southern Rockies had ANC 50 ueq/l. Only one acidic lake (ANC 0), associated with hot springs, was samples in the West. Ninety-nine percent of the lakes in the study area had pH values 6.0. Concentrations of many chemical constituents were low in western lakes compared to values measured in the Eastern Lake Survey. Over 26% of the western lakes had conductance measurements 10 uS/cmi the highest percentage of these dilute lakes was located in California. Evaluation of ion ratios and the relationship of base cations to ANC suggest that regional lake acidification has not occurred in the areas of the West.
"Office of Research and Development, Environmental Research Laboratory, Environmental Monitoring Systems Laboratory." "A contribution to the National Acid Precipitation Assessment Program." "January 1987." "EPA/600/3-86/054a-b." Includes bibliographical references. Microfiche.
Contents Notes
v. 1. Population description and physico-chemical relationships -- v. 2. Data compendium for selected physical and chemical variables.