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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.
USGS Water-Year Summary 2024
01206900 NAUGATUCK RIVER AT THOMASTON, CT
LOCATION - Lat 41°40'25", long 73°04'12" referenced to North American Datum of 1927, Litchfield County, CT, Hydrologic Unit 01100005, on left bank at downstream side of bridge on U.S. Rts. 6 and 202 at Thomaston, 1.5 mi downstream from Thomaston Reservoir, 2.5 mi upstream from Branch Brook, and at mile 29.5.
DRAINAGE AREA - 99.8 mi².
REVISIONS HISTORY - WDR CT-76-1: 1975. WDR CT-83-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1960 to current year.
GAGE - Water-stage recorder. Datum of gage is 354.39 ft above National Geodetic Vertical Datum of 1929. Telephone telemetry at station. Satellite telemetry at station. CSG at station.
REMARKS -
Water Years 2017-2020: Records good except for periods of estimated discharges, which are poor.
Water Years 2014-2016: Records good except for periods of estimated discharges, which are fair.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Aug. 19, 1955, reached a stage of 27.0 ft, from floodmarks by Corps of Engineers, discharge, 53,400 ft³/s, from indirect measurements of peak flow on Naugatuck River, 71.9 mi², and Leadmine Brook, 24.0 mi², adjusted for intervening drainage area.
