USGS Water-Year Summary for Site 01018500

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	Available Parameters
	00060 Discharge(Mean)

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Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023

01018500 ST. CROIX RIVER AT VANCEBORO, ME

LOCATION - Lat 45°34'06", long 67°25'42" referenced to North American Datum of 1983, Washington County, ME, Hydrologic Unit 01050001, on right bank 200 ft downstream from international highway bridge in Vanceboro and 500 ft downstream from outlet of Spednic Lake.

DRAINAGE AREA - 413 mi².

REVISIONS HISTORY - WDR ME-82-1: Drainage area.

SURFACE-WATER RECORDS

PERIOD OF RECORD - DISCHARGE: October 1928 to current year.

GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 367.20 ft above North American Vertical Datum of 1988. Prior to Mar. 29, 1999 water-stage recorder at site 200 ft upstream at international highway bridge at same datum.

COOPERATION - This station is maintained by the United States under agreement with Canada.

REMARKS -

Flow regulated by Chiputneticook Lakes. Final regulation is at Spednik Lake Dam, 500 ft upstream.

Water Year 2023: No estimated daily discharges. Records good.

Water Year 2022: Records good, except for estimated daily discharges, which are fair.

Water Year 2021: No estimated daily discharges. Records good.

Water Year 2020: Records good, except for estimated daily discharges, which are fair.

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

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

Water Year 2017: No estimated daily discharges. Records good.

Water Year 2016: No estimated daily discharges. Records good.

Water Year 2015: No estimated daily discharges. Records good.

Water Year 2014: Records good, including periods of ice effect, Mar. 17-18, 25-28, and periods of no gage-height record, Jan. 15 and Apr. 13-14.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 6,970 ft³/s, Apr. 27, 2019, gage height, 11.26 ft; maximum gage height, 11.28 ft (former site), June 3, 1984; minimum daily discharge, 1.9 ft³/s, Oct. 12, 22 and Nov. 4, 1936, when flow was held back by cofferdam during repairs to dam just upstream.

WATER-QUALITY RECORDS

PERIOD OF RECORD - CHEMICAL ANALYSES: Water year 1955.