USGS Water-Year Summary 2021
04216418 TONAWANDA CREEK AT ATTICA, NY
LOCATION - Lat 42°51'50", long 78°17'01" referenced to North American Datum of 1983, Wyoming County, NY, Hydrologic Unit 04120104, on right bank behind village hall and fire station, 150 ft downstream from bridge on State Highway 238 (Main Street) at Attica and 0.4 mi upstream from Tannery Creek.
DRAINAGE AREA - 76.9 mi².
- WDR NY-79-1: 1978 (M). WDR NY-82-3: Drainage area. WDR-US-2014: 1979 (M).
PERIOD OF RECORD - October 1977 to September 2004, annual maximum only--2005, October 2005 to current year.
GAGE - Water-stage recorder, crest-stage gage, and concrete control. Datum of gage is 954.63 ft above NGVD of 1929 and 954.10 ft above NAVD of 1988.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum discharge, about 6,000 ft³/s, June 23, 1972, gage height, about 12.0 ft, from information provided by Village of Attica.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 9,400 ft³/s, July 8, 1998, gage height, 12.71 ft, from floodmark, from rating curve extended above 4,600 ft³/s on basis of flow-over-weir measurement of peak flow at gage height 9.10 ft; minimum discharge, 3.1 ft³/s, Aug. 26, Sept. 7, 1995; minimum gage height, 3.21 ft, Sept. 8, 2016.