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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
01613095 TONOLOWAY CREEK NEAR HANCOCK, MD
LOCATION - Lat 39°42'22.9", long 78°09'09.9" referenced to North American Datum of 1983, Washington County, MD, Hydrologic Unit 02070004, 1.0 mi north of Hancock, MD, 3.0 mi southeast of Warfordsburg, PA, and 1.35 mi upstream from mouth.
DRAINAGE AREA - 113 mi². from delineation using 30-meter National Elevation Dataset digital elevation model data, dated 2011. This includes 112.47 mi² automated delineation, plus 0.292 mi² hand delineation to include known tributary which enters above the gaging location.
REVISIONS HISTORY - http://waterdata.usgs.gov/nwis/inventory/?site_no=01613095 (2020): Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 2005 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 398.83 ft above North American Vertical Datum of 1988.
REMARKS - Water Years 2017-2023: Records good, except those for estimated discharges, which are poor.
Water Years 2014-2016: Records good, except those for estimated daily discharges, which are poor.
Water Year 2013 and prior years' accuracy statements can be found in Annual Water Data Reports.
Occasional regulation of low flows from unknown source upstream from station and from the effluent treatment plant located at the station. U.S. Geological Survey satellite data-collection platform at station.
Occasional regulation of low flows from unknown source upstream from station and from the effluent treatment plant located at the station. U.S. Geological Survey satellite data-collection platform at station.
