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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.
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USGS Water-Year Summary 2024
01064118 PRESUMPSCOT RIVER AT WESTBROOK, ME
LOCATION - Lat 43°41'13", long 70°20'50" referenced to North American Datum of 1983, Cumberland County, ME, Hydrologic Unit 01060001, on right bank, 0.4 miles downstream from Cumberland Street Bridge in Westbrook, and at Sappi Westbrook Mill bridge.
DRAINAGE AREA - 577 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - DISCHARGE: October 1975 to September 1995. October 2016 to September 2020. GAGE HEIGHT: November 1998 to September 2016. October 2020 to July 2022 (discontinued). Prior to October 1984, published as "near West Falmouth" (station 01064140).
GAGE - Water-stage recorder and crest-stage gage. Datum of gage 13.42 ft above National Geodetic Vertical Datum of 1929. Prior to Dec. 13, 1984, at site 4.1 mi downstream at datum 2.27 ft lower.
REMARKS - Gage height affected by regulation upstream. Flow regulated by Sebago Lake and many small power plants upstream. Gaps in record indicate missing data.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Oct. 22, 1996 reached a gage height of 34.10 ft, from flood marks (present site and datum).
EXTREMES FOR PERIOD OF RECORD - Maximum gage height, 25.48 ft, Aug. 20, 1991, from flood marks (present site and datum); minimum gage height, 0.20 ft, Aug. 9, 2016.
