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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
01589300 GWYNNS FALLS AT VILLA NOVA, MD
LOCATION - Lat 39°20'45.2", long 76°43'59.5" referenced to North American Datum of 1983, Baltimore County, MD, Hydrologic Unit 02060003, on right bank 300 ft downstream from bridge on Essex Road, 300 ft north of State Highway 26 (Liberty Road), in Villa Nova, 1.1 mi west of Baltimore City limits, and 11.5 mi upstream from mouth.
DRAINAGE AREA - 32.5 mi².
REVISIONS HISTORY - WDR MD-DE-83: 1981-82(P). WDR MD-DE-84: 1981(P). https://waterdata.usgs.gov/nwis/dv/?site_no=01589300: 2011-2014.
SURFACE-WATER RECORDS
PERIOD OF RECORD - February 1957 to September 1988, October 1996 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 360.61 ft above North American Vertical Datum of 1988. Prior to Aug. 27, 1963, and Oct. 25, 1972 to Sept. 20, 1973, water-stage recorder, and June 26, 1972 to Oct. 24, 1972, nonrecording gage, at site 300 ft upstream at same gage datum.
REMARKS - Water Year 2022-2023: Records good, except those for estimated discharges, which are poor.
Water Year 2021: Records good, except those above 5,000 ft³/s, which are fair, and those for estimated discharges, which are poor.
Water Year 2020: Records good, except those above 5,000 ft³/s, which are fair. No estimated discharges.
Water Years 2017-2019: Records good, except those above 5,000 ft³/s, which are fair, and those for estimated discharges, which are poor.
Water Years 2014-2016: Records good, except those above 5,000 ft³/s, which are fair, and those for estimated daily discharges, which are poor.
Water Year 2013 and prior years' accuracy statements can be found in Annual Water Data Reports.
Slight diurnal fluctuation at times from unknown source upstream from station. Small diversion for irrigation upstream from station. U.S. Geological Survey satellite data-collection platform at station.
Slight diurnal fluctuation at times from unknown source upstream from station. Small diversion for irrigation upstream from station. U.S. Geological Survey satellite data-collection platform at station.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of July 21, 1956, reached a stage of 12.6 ft; discharge, 5,270 ft³/s, on basis of contracted-opening measurement.
