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Water-Year Summary for Site 04218700

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
  • For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
  • Not all sites have reports available for every water year.
Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00060 Discharge(Mean)  
00095 Specific cond at 25C(Max.,Min.,Mean)  

Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023
LOCATION - Lat 43°07'32.2", long 77°39'00.4" referenced to North American Datum of 1983, Monroe County, NY, Hydrologic Unit 04130003, on right bank adjacent to floodwall, in Rochester, 360 ft downstream from West Guard Lock, 0.3 mi upstream from Scottsville Road bridge, and 0.4 mi upstream from Genesee River.
PERIOD OF RECORD - May 2021 to current year (navigation seasons only).
GAGE - Acoustic velocity meter, water-stage recorder, and crest-stage gage. Datum of gage is 494.41 ft above NAVD of 1988.
REMARKS - This record represents net diversion from Niagara River basin into Genesee and Oswego River basins through Erie (Barge) Canal. Water Years 2021-23: Records fair except those for estimated daily discharges and those below 100 ft³/s, which are poor.
PERIOD OF DAILY RECORD - WATER TEMPERATURE: March 2021 to current year (navigation seasons only). SPECIFIC CONDUCTANCE: March 2021 to current year (navigation seasons only). DISSOLVED OXYGEN: March 2021 to current year (navigation seasons only). TURBIDITY: March 2021 to current year (navigation seasons only).
COOPERATION - In cooperation with New York State Canal Corporation.
INSTRUMENTATION - Multi-parameter water-quality sonde measures water temperature, specific conductance, dissolved oxygen, and turbidity at 15-minute intervals since March 2021.
EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE: Maximum, 27.9°C, Aug. 27, 28, 2021; minimum, 2.4°C, Dec. 9, 10, 2021.
SPECIFIC CONDUCTANCE: Maximum, 947 uS/cm @ 25°C, Aug. 12, 2022; minimum, 307 uS/cm @ 25°C, Nov. 7, 2021.
DISSOLVED OXYGEN: Maximum, 16.8 mg/L, June 13, 2022; minimum, 3.1 mg/L, Aug. 4, 2021.
TURBIDITY: Maximum, 241 FNU, Oct. 30, 2021; minimum, 0.4 FNU, Oct. 13, 2021, June 28, July 17, 2022.