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Water-Year Summary for Site 03131500

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Available Parameters
00065 Gage height(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
03131500 Black Fork at Loudonville, OH
LOCATION - Lat 40°38'09", long 82°14'22" referenced to North American Datum of 1927, Ashland County, OH, Hydrologic Unit 05040002, on right bank at downstream side of bridge on State Rt. 39 at Loudonville and 1.5 miles downstream from Big Run.
DRAINAGE AREA - 349 mi².
REVISIONS HISTORY - WSP 873: 1935. WSP 1907: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Continuous discharge gage, May 1931 to September 1991, recording crest stage gage, October 1991 to Sept. 30 2007(station discontinued).
GAGE - Water-stage recorder. Datum of gage is 929.16 ft (NGVD 1929). From Survey November 2023, datum of Gage is also 928.53 ft (NAVD88). Prior to Oct.23, 1941, nonrecording gage at same site and datum.
REMARKS -

Flow regulated by since 1936 by Charles Mill Lake, 16 mi upstream from station. Records include diversion from Clear Fork Reservoir which enters Black Fork drainage as sewage effluent from city of Mansfield (see REMARKS for station 03133500). water-quality data collected at this site 1958, 1968 to 1977. U.S. Army Corps of Engineers satellite telemeter at station.

Record quality ratings will not be included in the water-year summary for approved records newer than 09/30/2019. Record quality is still being rated internally. For questions about record quality ratings, please send email to gs-w-oh_NWISWeb_Data_Inquiries@usgs.gov.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge,8,460 ft³/s, July 5, 1969. gage height, 14.11 ft.