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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
01578310 SUSQUEHANNA RIVER AT CONOWINGO, MD
LOCATION - Lat 39°39'28.4", long 76°10'28.0" referenced to North American Datum of 1983, Harford County, MD, Hydrologic Unit 02050306, 1.0 mi southwest of Conowingo, and 9.9 mi upstream from mouth.
DRAINAGE AREA - 27,100 mi².
REVISIONS HISTORY -
https://waterdata.usgs.gov/monitoring-location/01578310/#parameterCode=00060&startDT=2021-09-02&endDT=2022-11-07: 2021-2023.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1967 to current year.
GAGE - Water-stage recorder. Datum of gage is 4.16 ft above North American Vertical Datum of 1988.
REMARKS - Water Year 2024: Records poor. No estimated discharges.
Water Year 2023: Records fair, no estimated discharges.
Water Year 2022: Records poor.
Water Years 2019-2021: Records fair, except those for estimated discharges, which are poor.
Water Year 2018: Records fair, except those for estimated discharges, which are poor.
Water Year 2017: Records fair, no estimated discharges.
Water Years 2014-2016: Records fair, no estimated daily discharges.
Water Year 2013 and prior years' accuracy statements can be found in Annual Water Data Reports.
Flow regulated by Conowingo Reservoir beginning October 1928, usable capacity, 55,070,000,000 gal; dead storage, 45,290,000,000 gal. Records do not include a small infrequent diversion upstream from station to augment municipal supply of city of Baltimore. Records of diversion available from Baltimore City Department of Public Works. U.S. Geological Survey satellite data-collection platform at station.
Flow regulated by Conowingo Reservoir beginning October 1928, usable capacity, 55,070,000,000 gal; dead storage, 45,290,000,000 gal. Records do not include a small infrequent diversion upstream from station to augment municipal supply of city of Baltimore. Records of diversion available from Baltimore City Department of Public Works. U.S. Geological Survey satellite data-collection platform at station.
