USGS Current Conditions for USGS 01613095 TONOLOWAY CREEK NEAR HANCOCK, MD

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[!] ICE EFFECTS ON STREAMFLOW -- During cold weather, stage and discharge values may be affected by ice at some streamgages. Streamgages experiencing ice conditions will have the discharge record temporarily disabled to prevent the display of erroneous discharge values. Display of discharge record will resume when it is determined that ice conditions are no longer present. Adjustment of data affected by ice can only be done after detailed analysis.

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USGS 01613095 TONOLOWAY CREEK NEAR HANCOCK, MD

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION.-- Lat 39°42'22.9", long 78°09'09.9" referenced to North American Datum of 1983, Hydrologic
   Unit 02070004, Washington County, MD, 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.
PERIOD OF RECORD.-- October 2005 to current year.
REVISIONS.http://waterdata.usgs.gov/nwis/inventory/?site_no=01613095 (2020): Drainage area.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 398.83 ft above North American 
   Vertical Datum of 1988.
REMARKS.--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.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 5,920 ft³/s, March 5, 2008, gage height, 10.33 ft;
   maximum gage height, 10.41 ft, Sep. 28, 2018, as a result of backwater at station;
   minimum discharge, 0.27 ft³/s, Aug. 31, Sept. 1, 2010, as a result of regulation.  
COOPERATION.--Funding for the operation of this station is provided by the U.S. Environmental Protection
   Agency, the Town of Hancock, and the U.S. Geological Survey.