USGS Water-Year Summary 2023
01390500 SADDLE RIVER AT RIDGEWOOD, NJ
LOCATION - Lat 40°59'06", long 74°05'26" referenced to North American Datum of 1983, Ridgewood Village, Bergen County, NJ, Hydrologic Unit 02030103, on left bank 15 ft upstream from bridge on State Route 17 in Ridgewood and 2.8 mi upstream from Hohokus Brook.
DRAINAGE AREA - 21.6 mi².
- WDR NJ-74:1971. WDR US-2011:2010(M). WDR US-2012:2010(P).
PERIOD OF RECORD - Continuous-record discharge station, October 1954 to September 1974, and October 1977 to current year. Annual maximum gage, water years 1975 to 1977.
GAGE - Water-stage recorder with telemetry and crest-stage gage. Datum of gage is 71.74 ft above NGVD of 1929 (levels from New Jersey Geological Survey benchmark).
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum discharge, 6,800 ft³/s, July 23, 1945, on basis of slope-area measurement of peak flow at site 1.6 mi upstream, adjusted for change in drainage area.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 7,390 ft³/s, Sept 1, 2021, gage height, 12.01 ft.; maximum gage height, 13.40 ft., Sep 16, 1999; minimum discharge, 0.00 ft³/s, Jul 27, 1999.