USGS Water-Year Summary 2024
03084800 THOMPSON RUN AT TURTLE CREEK, PA
LOCATION - Lat 40°24'19", long 79°49'41" referenced to North American Datum of 1927, Allegheny County, PA, Hydrologic Unit 05020005,
At bridge at intersection of Tri-Boro Expressway (Rt. 130), and Thompson Street, and 1,400 ft upstream of mouth.
DRAINAGE AREA - 18 mi².
REVISIONS HISTORY - Revisions: Datum of gage was reported as 750 ft above National Geodetic Vertical Datum of 1929 prior to January 8, 2024.
SURFACE-WATER RECORDS
PERIOD OF RECORD - May 2004 to October 2009, May 2010 to September 2014 (continuous discharge); October 2014 to current year (gage height only).
GAGE -
Water-stage recorder and crest-stage gage. Non-recording gage June 11, 1979 to Aug 15, 1981. Datum of gage is 729.8 ft above North American Vertical Datum of 1988. Prior to January 8, 2024, the datum of gage was erroneously reported as 750 ft above National Geodetic Vertical Datum of 1929. Satellite telemetry at station.
COOPERATION - Station established and maintained by the U.S. Geological Survey in cooperation with the U.S. Army Corps of Engineers, Pittsburgh District.