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Water-Year Summary for Site 01196620

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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
00060 Discharge(Mean)  
00065 Gage height(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
01196620 MILL RIVER NEAR HAMDEN, CT
LOCATION - Lat 41°25'13.49", long 72°54'09.57" referenced to North American Datum of 1983, New Haven County, CT, Hydrologic Unit 01100004, 150 ft downstream from bridge on Mount Carmel Ave., 0.4 mi downstream from Eatons Brook, and 2.5 mi north of Hamden.
DRAINAGE AREA - 24.5 mi².
REVISIONS HISTORY - WDR US-2012-1: 1979, 1980, 1996 (P).
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1968 to September 1970, October 1978 to current year.
GAGE - Water-stage recorder, crest-stage gage, and broad-crested concrete weir. Datum of gage is 82.57 ft above National Geodetic Vertical Datum of 1929. October 1, 1968 to September 30, 1970, at site 150 ft upstream at datum 0.73 ft higher. Satellite telemetry at station.
REMARKS -
  • Water Year 2021-2022: Records good except for periods of estimated discharges, which are poor.
  • Water Year 2018 - 2020: Records good except for periods of estimated discharges, which are fair.
  • Water Year 2017: Records considered good.
  • Water Years 2014-2016: Records good except for periods of estimated discharges, which are fair.
    • EXTREMES FOR PERIOD OF RECORD - The maximum peak flow was 5,580 ft³/s was obtained from the rating curve extended above 870 ft³/s based on contracted-opening measurement of peak flow 0.7 mi. downstream. The maximum peak stage of 9.53 ft. was from flood marks. Minimum discharge: 0.15 ft³/s, Sept. 12, 13, 1995.