USGS Water-Year Summary for Site 01066000

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	00060 Discharge(Mean)

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Water year 2024: 2024-10-01 to 2025-09-30

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USGS Water-Year Summary 2024

01066000 SACO RIVER AT CORNISH, ME

LOCATION - Lat 43°48'29", long 70°46'54" referenced to North American Datum of 1983, Cumberland County, ME, Hydrologic Unit 01060002, on left bank 300 ft upstream from State Route 117 highway bridge at Cornish and 0.4 mi downstream from Ossipee River.

DRAINAGE AREA - 1,293 mi².

REVISIONS HISTORY - WSP 1301: 1917-18(M). WDR ME-81-1: Drainage area. WDR ME-91-1: 1936(M).

SURFACE-WATER RECORDS

PERIOD OF RECORD - DISCHARGE: June 1916 to current year.

GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 263.48 ft above National Geodetic Vertical Datum of 1929. Prior to Oct. 30, 1919, nonrecording gage at bridge 300 ft downstream at datum approximately 1.2 ft higher.

REMARKS - Flow partly regulated by power plants above station; by Ossipee, Silver, Conway, and Kezar Lakes; by Moose, Hancock, Pine River, Bickford and Colcord Ponds.

Water Year 2019: Records good, except for estimated daily discharges, which are poor.

Water Year 2018: Records good, except for estimated daily discharges, which are poor.

Water Year 2017: Records good, except for periods of ice effect, Dec. 14 to Feb. 27, Mar. 2-6, 11-17, period of doubtful gage-height record, Apr. 13 to May 15, and period of no gage-height record, Oct. 5-7, which are fair.

Water Year 2016: Records good, except for periods of no gage-height record, July 28 to Aug. 1, Aug. 31 to Sept. 1, Sept. 26-27, which are fair, and periods of ice effect, Jan. 5-7, 13-26, and Feb. 12-25, which are poor.

Water Year 2015: Records good, except for period of ice effect, Jan. 1 to Apr. 10, which is poor.

Water Year 2014: Records good, except for period of ice effect, Dec. 15 to Mar. 30, which is fair.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 46,600 ft³/s, Mar. 21-22, 1936, gage height, 21.90 ft (from floodmarks); minimum daily discharge, 244 ft³/s, Oct. 7, 1964.

WATER-QUALITY RECORDS

PERIOD OF RECORD - CHEMICAL ANALYSES: Water years 1954, 1975-95. SPECIFIC CONDUCTANCE: July 1975 to September 1981. WATER TEMPERATURE: July 1975 to September 1981.