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
01376800 HACKENSACK RIVER AT WEST NYACK, NY
LOCATION - Lat 41°05'44", long 73°57'50" referenced to North American Datum of 1983, Rockland County, NY, Hydrologic Unit 02030103, on right bank 20 ft downstream from CSX railroad bridge at West Nyack, 1,000 ft upstream from State Highway 59, and 1.0 mi downstream from DeForest Lake.
DRAINAGE AREA - 30.7 mi².
REVISIONS HISTORY - WDR NY-90-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - December 1958 to current year.
GAGE - Water-stage recorder, stop-log control, and crest-stage gage. Datum of gage is 53.50 ft above NGVD of 1929 (levels by Hackensack Water Co.) and 52.53 ft above NAVD of 1988.
REMARKS - Flow regulated by DeForest Lake. Diversion from gaging station pool for municipal supply for village of Nyack. Discharge given for this station represents the flow of Hackensack River downstream from this diversion. At flows greater than about 1,500 ft³/s, undetermined amounts of flow bypass the gage as a result of overtopping of the Klein Avenue Levee 0.3 mi upstream of the gage.
Water Years 2014-22: Records fair.
Water Years 2014-22: Records fair.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 2,120 ft³/s, Sept. 2, 2021, gage height, 11.80 ft; minimum discharge not determined.
