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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
01368050 WALLKILL RIVER AT OIL CITY ROAD NEAR UNIONVILLE, NY
LOCATION - Lat 41°17'16.2", long 74°32'03.6" referenced to North American Datum of 1983, Orange County, NY, Hydrologic Unit 02020007, on right bank 10 ft downstream from bridge on Oil City Road, 1.7 mi east of Unionville.
DRAINAGE AREA - 152 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - May 2018 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 373.43 ft above NAVD of 1988.
REMARKS - Water Years 2018-24: Records fair except those for estimated daily discharge, which are poor.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 2,790 ft³/s, Sept. 4, 2021, gage height, 12.43 ft; minimum discharge, 13.1 ft³/s, Aug. 21, 2022, gage height, 6.13 ft.
