Click
to
hide
Water-Year
Summary
instructions
and
information
- 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
01387095 RAMAPO RIVER AT MARY H HARRIMAN MEMORIAL PARK AT HARRIMAN, NY
LOCATION - Lat 41°18'41.6", long 74°08'49.1" referenced to North American Datum of 1983, Orange County, NY, Hydrologic Unit 02030103, on right bank at Mary H Harriman Memorial Park, 0.1 mi northwest of Harriman.
DRAINAGE AREA - 10.4 mi².
REVISIONS HISTORY - Discharge for the period Sept. 1, 2021, to Sept. 2, 2021 and from Sept. 8, 2023 to Sept. 9, 2023, was revised on Jan. 7, 2025, based on changes to the stage-discharge rating.
SURFACE-WATER RECORDS
PERIOD OF RECORD - June 2020 to current year.
GAGE - Water-stage recorder, crest-stage gage, and concrete control. Datum of gage is 522.23 ft above NAVD of 1988.
REMARKS - Water Years 2020-23: Records fair except those for discharges over 500 ft³/s and those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 868 ft³/s, Sept. 2, 2021, gage height, 6.16 ft; minimum discharge, 0.47 ft³/s, Aug. 16, 2022, gage height, 3.62 ft; minimum gage height, 3.62 ft, Aug. 12, 13, 14, 15, 16, 2022, June 11, 2023.
