Funding for this site is provided by:
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.
PERIOD OF RECORD.--
October 1977 to September 2004, annual
maximum only--2005, October 2005 to current year.
WDR NY-79-1: 1978 (M). WDR NY-82-3: Drainage
area. WDR-US-2014: 1979 (M).
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.
Water Years 2014-17: Records good except those for
estimated daily discharges, which are fair. Water Year 2018: Records
good except those for estimated daily discharges, which are poor.
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.
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.
Peak Flow and Stage Information