National Water Information System: Web Interface

Warning: Javascript must be enabled to use all the features on this page!

Page Loading - Please Wait...

Click to hideNews Bulletins
Click to hide state-specific text



Click to hidestation-specific text

This station is operated in cooperation with:
   NYS Department of Environmental Conservation

LOCATION.--Lat 42°27'48", long 78°56'04" referenced to North American Datum of 1927, Erie County, NY, Hydrologic Unit 04120102, on right bank 15 ft upstream from bridge on State Highways 39 and 62 at Gowanda, 4.2 mi downstream from South Branch, and 17.8 mi upstream from mouth.
DRAINAGE AREA.--436 mi2.
PERIOD OF RECORD.--November 1939 to March 1998, October 1999 to current year.
REVISED RECORDS.--WSP 2112: Datum, WDR NY-82-3: Drainage area. WDR NY-71-1: 1956 (M). WDR NY-74-1: 1940-42 (M), WDR NY-09-3: 1990-98, 2000-08 (P).
GAGE.--Water-stage recorder. Datum of gage is 738.85 ft above NGVD of 1929. Prior to Oct. 1, 1969, at datum 0.11 ft lower. Prior to May 29, 2011 at location 470 ft downstream at same datum.
REMARKS.--Records good except those for estimated daily discharges, which are fair. Diurnal fluctuation at low and medium flow caused by powerplant 20 mi upstream from station. Telephone and satellite gage-height telemeters at station.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 34,600 ft3/s, Mar. 7, 1956, gage height, 14.03 ft; minimum discharge, about 6 ft3/s, Aug. 21, 1941, result of regulation; minimum gage height, 0.90 ft, Oct. 26, 1951.
PERIOD OF DAILY RECORD1.-- WATER TEMPERATURE: June 2011 to current year.
SPECIFIC CONDUCTANCE: June 2011 to current year. pH: June 2011 to current year. DISSOLVED OXYGEN: June 2011 to current year. TURBIDITY: June 2011 to current year.
INSTRUMENTATION1.--ISCO refrigerated automatic sampler since June 2011. A YSI 6920-V2 continuous monitor with water temperature, specific conductance, pH, dissolved oxygen and turbidity since June 2011 provides 15-minute-interval readings.
EXTREMES FOR PERIOD OF DAILY RECORD1.--WATER TEMPERATURE: Maximum, 33.0°C, July 22, 2011; minimum, 13.5°C, Sept. 16, 17, 2011.
SPECIFIC CONDUCTANCE: Maximum, 590 microsiemens/cm, Sept. 20, 21, 2011; minimum, 191 microsiemens/cm, Aug. 25 2011. pH: Maximum, 8.7 standard units, on several days; minimum, 8.1 standard units, June 22, July 29, Aug. 25, 2011. DISSOLVED OXYGEN: Maximum, 10.7 mg/L, Sept. 16, 17, 2011; minimum, 6.8 mg/L, July 21, 22, 2011. TURBIDITY: Maximum, >1,260 FNU, Aug. 25, 2011; minimum, 6.0 FNU, July 6, 2011.[>, actual value is known to be greater than the value shown].
1 Water-Quality Records
Derived from NY Annual Water-Data Report 2011

Peak Flow and Stage Information
This station managed by the NY Water Science Center, Ithaca.

Available Parameters Available Period
All 8 Available Parameters for this site
00010 Temperature, water 2011-06-02  2014-07-11
00095 Specific cond at 25C 2011-06-03  2014-07-11
00065 Gage height 2014-03-13  2014-07-11
00060 Discharge 2007-10-01  2014-07-11
00400 pH 2011-06-03  2014-07-11
63680 Turbidity, Form Neph 2011-06-03  2014-07-11
00300 Dissolved oxygen 2011-06-03  2014-07-11
00045 Precipitation 2014-03-13  2014-07-11

Graph w/ stats
Graph w/o stats
Graph w/ (up to 3) parms
Days  (7)

  -- or --
Begin date

End date

Summary of all available data for this site
Instantaneous-data availability statement

Gage height, feet

Most recent instantaneous value: 1.83   07-11-2014  19:15 EST
Graph of  Gage height, feet

Add up to 2 more sites and replot for "Gage height, feet"

 Add site numbers

Create presentation-quality / stand-alone graph.   Subscribe to WaterAlert      

Discharge, cubic feet per second

Most recent instantaneous value: 305   07-11-2014  19:15 EST
Graph of

Add up to 2 more sites and replot for "Discharge, cubic feet per second"

 Add site numbers

Create presentation-quality / stand-alone graph.   Subscribe to WaterAlert      

Daily discharge, cubic feet per second -- statistics for Jul 11 based on 72 years of record more
Median Mean 75th
Most Recent
Value Jul 11
96 150. 206 266 295 305 1120

Questions about sites/data?
Feedback on this web site
Automated retrievals
Data Tips
Explanation of terms
Subscribe for system changes

Accessibility Plug-Ins FOIA Privacy Policies and Notices

Take Pride in America logo logo U.S. Department of the Interior | U.S. Geological Survey
Title: USGS Current Conditions for New York

Page Contact Information: New York Water Data Support Team
Page Last Modified: 2014-07-11 21:33:22 EDT
0.84   0.74 vaww02