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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.
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USGS Water-Year Summary 2025
01203600 NONEWAUG RIVER AT MINORTOWN, CT
LOCATION - Lat 41°34'34.69", long 73°10'37.63" referenced to North American Datum of 1983, Litchfield County, CT, Hydrologic Unit 01100005, on right bank 3,000 ft downstream from intersection of State Rts. 6 and 61 at Minortown, and 2.5 mi northeast of Woodbury.
DRAINAGE AREA - 17.7 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - September 1962 to September 1976, October 1978 to September 1979, August 2000 to current year.
GAGE - Water-stage recorder and crest-stage gage. Prior to Oct. 1, 2023, gage located 250 ft downstream. Datum of gage is 373.75 ft above North American Vertical Datum of 1988. Prior to 5/24/2023 datum of gage was 354.69 ft above National Geodetic Vertical Datum of 1929. Satellite telemetry at station.
REMARKS -
Water Years 2021-2023: Records poor.
Water Years 2014-2020: Records fair except for periods of estimated discharges, which are poor.
Minor alteration to the natural flow from Lockwood Reservoir and by out-of-basin flow diversion for municipal supply for the town of Watertown.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Aug. 19, 1955 reached a stage of 13.2 ft. (from floodmarks), discharge, about 10,000 ft³/s, estimated from a comparison of unit runoff of nearby streams.
