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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
01581500 BYNUM RUN AT BEL AIR, MD
LOCATION - Lat 39°32'29.3", long 76°19'48.4" referenced to North American Datum of 1983, Harford County, MD, Hydrologic Unit 02060003, on right bank 30 ft downstream from bridge on State Highway 22, 1.0 mi east of Bel Air, and 8.5 mi upstream from mouth.
DRAINAGE AREA - 8.52 mi².
REVISIONS HISTORY -
WDR-US-2010: 1999-2001, 2003-2009 (P), 1999, 2003, 2005-06, 2008, https://waterdata.usgs.gov/nwis/dv/?site_no=01581500: 2014.
The date of Measurement 238S was revised to August 1, 1971 due to an error in data entry. The revision occurred on May 4, 2021.
SURFACE-WATER RECORDS
PERIOD OF RECORD - June 1944 to April 1951, July 1955 to September 1970. Annual maximum, water years 1971-72. June 1999 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 250.08 ft above North American Vertical Datum of 1988.
REMARKS - Water Years 2019-2023: Records fair, except those for estimated discharges, which are poor.
Water Year 2018: Records fair, no estimated discharges.
Water Year 2017: 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.
U.S. Geological Survey satellite data-collection platform at station.
U.S. Geological Survey satellite data-collection platform at station.
