USGS Water-Year Summary 2024
04219768 EIGHTEENMILE CREEK AT BURT, NY
LOCATION - Lat 43°18'49.7", long 78°42'55.5" referenced to North American Datum of 1983, Niagara County, NY, Hydrologic Unit 04130001, on right bank, 150 ft downstream of dam, 1,000 ft upstream of Fisherman's Park in Burt, and 1.7 mi upstream of mouth.
DRAINAGE AREA - 84.8 mi².
REVISIONS HISTORY - Turbidity records for the period June 7 to Sept. 21, 2022, were revised on Dec. 19, 2022, due to a calibration correction that was discovered which changed the required data correction.
SURFACE-WATER RECORDS
PERIOD OF RECORD - August 2011 to current year.
GAGE - Water-stage recorder. Datum of gage is 244.48 ft above NAVD of 1988 and 244.39 ft above IGLD of 1985.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 2,190 ft³/s, May 6, 2017, gage height, 6.65 ft; minimum discharge, 0.97 ft³/s, Sept. 29, 2017, gage height, 2.35 ft (result of regulation); minimum gage height, 1.93 ft, Nov. 8, 2014, and July 27, 28, 2016, (result of regulation).
WATER-QUALITY RECORDS
PERIOD OF DAILY RECORD - WATER TEMPERATURE: July 2020 to current year. SPECIFIC CONDUCTANCE: July 2020 to current year. DISSOLVED OXYGEN: July 2020 to current year. TURBIDITY: July 2020 to current year.
INSTRUMENTATION - Multi-parameter water-quality sonde measures water temperature, specific conductance, dissolved oxygen, and turbidity at 15-minute intervals since July 2020.
EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE: Maximum, 28.1°C, July 9, 2020; minimum, -0.1°C, on many days.
SPECIFIC CONDUCTANCE: Maximum, 1,490 uS/cm @ 25°C, Feb. 25, 2021; minimum, 351 uS/cm @ 25°C, July 21, 2021, Apr. 6, 2023.
DISSOLVED OXYGEN: Maximum, 15.4 mg/L, Feb. 19, 2022; minimum, 4.4 mg/L, Aug. 26, 2020.
TURBIDITY: Maximum, 204 FNU, Nov. 9, 2023; minimum, 0.01 FNU, Aug. 27, 2021.