LOCATION.--Lat 42°27'02.3", long 79°21'01.6" referenced to North American Datum of 1983, Chautauqua County, NY, Hydrologic Unit 04120101, 60 ft downstream of bridge on Van Buren Road (Matteson Street), 0.8 mi northwest of Fredonia corporate boundary, and 1.2 mi upstream from Beaver Creek.
DRAINAGE AREA.--32.9 mi².
PERIOD OF RECORD.--Miscellaneous measurements--1962-63, annual maximum only--1987 to current year.
REVISIONS HISTORY.--WDR NY-89-3: 1987 (gage height). 2015: 1991, 1996-97, 2002-07, 2009, 2011, 2013-14 (M). (2015) The maximum discharges for some water years have been revised, as shown in the following table:

Water Year      Date         Discharge (ft³/s)  Gage Height (ft)
  1991      Dec. 30, 1990         2,430              5.33  
  1996      May 11, 1996          4,240              8.59
  1997      May 19, 1997          4,730              9.50
  2002      Feb. 1, 2002          2,600              5.64
  2003      Jul. 24, 2003         2,710              5.83
  2004      May 24, 2004          3,810              7.79
  2005      Dec. 23, 2005         2,240              5.01
  2006      Sep. 2, 2006          2,700              5.81
  2007      Mar. 14, 2007         2,830              6.03
  2009      Dec. 27, 2008         3,060              6.44
  2011      Mar. 11, 2011         2,610              5.65
  2013      Oct. 29, 2012         3,490              7.21
  2014      Jun. 12, 2014         4,020              8.18 

GAGE.--Water-stage recorder and crest-stage gage. Elevation of gage is 650 ft above NGVD of 1929 and NAVD of 1988, from topographic map. Prior to August 10, 2017, crest-stage gage at same site and at datum 3.00 ft higher.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 5,380 ft³/s, 10.73 ft, July 14, 2015, on basis of slope-area measurement of discharge.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of Aug. 7, 1979, reached an estimated discharge of 12,000 ft³/3, from U.S. Army Corps of Engineers (US Geological Survey WRI 83-4211), at site 1.7 mi upstream, drainage area, 30.6 mi². Flood of Aug. 1, 1986, reached an estimated discharge of 9,000 ft³/s.

Station image