Raystown Lake, Huntingdon and Bedford Counties, Pennsylvania U.S
POSTIMPOUNDMENT SURVEY OF WATER-QUALITY CHARACTERISTICS OF RAYSTOWN LAKE, HUNTINGDON AND BEDFORD COUNTIES, PENNSYLVANIA U.S. GEOLOGICAL SURVEY WATER RESOURCES INVESTIGATION 78-42 PREPARED IN COOPERATION WITH THE U.S. ARMY CORPS OF ENGINEERS BALTIMORE DlSTRlCT BIBLIOGRAPHIC DATA 11. Rerort No. 3. Recipient's Accession No. SHEET ~- Title and Subtitle 5. Report Dace Postimpoundment Survey of Water-Quality July 1978 Characteristics of Raystown Lake, Huntingdon and Bedford 6. Counties, Pennsylvania 7. Auchor(s) 8. Performing Organization Repc. Donald R. Williams No. USGS/WRI 78-42 9. Performing Organization Name and Address 10. Project/Task/Work Unit No. U.S. Geological Survey, Water Resources Division 1000 Liberty Avenue 11. Contract/Grant No. Pittsburgh, Pa. 15222 12. Sponsoring Organization Name and Address 13. Type of Report & Period Covered U.S. Geological Survey, Water Resources Division Final 1000 Liberty Avenue Pittsburgh, Pa. 15222 14. 15. Supplementary Notes Prepared in cooperation with the U.S. Army Corps of Engineers, Baltimore District 16. Abstracts Water-quality data, collected from May 1974 to September 1976 at thirteen sites within Raystown Lake and in the inflow and outflow channels, define the water quality characteristics of the lake water and the effects of impoundment on the quality of the lake outflow. Depth-profile measurements show Raystown Lake to be dimict~c, with two overturn periods annually--one in the spring and one in the fall. Thermal stratification is well developed during the summer. Generally high concentrations of dissolved c ~ cygen throughout the hypolimnion during thermal stratification, low phyto plankton concentrations, and small diel fluctuations of dissolved oxygen, pH, and spec~ fie conductance indicate that the lake is low in nutrients, or oligotrophic.
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