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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 2025
01209005 Saugatuck R below Saugatuck Res nr Lyons Plain, CT
LOCATION - Lat 41°14'43.85", long 73°20'57.25" referenced to North American Datum of 1983, Fairfield County, CT, Hydrologic Unit 01100006, approximately 300 ft. upstream of Valley Forge Rd. and approximately 700 ft. downstream of the Saugatuck Reservoir Dam.
DRAINAGE AREA - 34.6 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - November 2008 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 162.41 ft above North American Vertical Datum of 1988. Prior to 7/3/2024 datum of gage was 175 ft above National Geodetic Vertical Datum of 1929, from topographic map. Between 3/14/2019 and 3/21/2024, an additional yet incorrect value of 150 ft above National Geodetic Datum of 1929 was also reported. Satellite telemetry at station.
REMARKS -
Water Year 2014 - 2024: Records good except for period of estimated discharges, which are fair.
The lowest daily mean discharge of 1.15 ft³/s occurred on May 21, 2024 as a result of regulation.
