Record Display for the EPA National Library Catalog

RECORD NUMBER: 23 OF 24

OLS Field Name OLS Field Data
Main Title Water Quality in Open Finished Water Reservoirs - Allegheny County, Pennsylvania.
Author Sykora, Jan L. ; Roche, Richard ; Kriess, Fred L. ; Barath, Mark A. ; Volk., Dave ;
CORP Author Pittsburgh Univ., PA.;Health Effects Research Lab., Research Triangle Park, NC.
Year Published 1981
Report Number EPA-R-805368; EPA-600/1-81-008;
Stock Number PB81-161978
Additional Subjects Reservoirs ; Water pollution ; Algae ; Bacteria ; Toxicity ; Monitoring ; Distribution systems ; Bioassay ; Pennsylvania ; Endotoxins ; Allegheny County(Pennsylvania)
Holdings
Library Call Number Additional Info Location Last
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Status
NTIS  PB81-161978 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 06/23/1988
Collation 72p
Abstract
The purpose of this investigation was to study water quality changes occurring in open reservoirs in the distribution systems of five water supplies located in Allegheny County, Pennsylvania. Results of chemical, bacteriological, and biological analyses showed deterioration of water quality in the reservoirs, and a significant improvement in water quality occurred after two of the reservoirs were covered. A highly significant relationship was observed between density of autotrophic organisms and endotoxin concentration in the open reservoirs, and a similar relationship between total bacterial population and endotoxin concentration.