USGS Water-Year Summary for Site 01015800

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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

01015800 AROOSTOOK RIVER NEAR MASARDIS, ME

LOCATION - Lat 46°31'23", long 68°22'18" referenced to North American Datum of 1983, Aroostook County, ME, Hydrologic Unit 01010004, on left bank, 150 ft upstream from Garfield Road bridge, and 1.8 mi downstream from St. Croix Stream and Masardis. Prior to August 12, 2013, on left bank, 180 ft upstream from Garfield Road bridge, and 1.8 mi downstream from St. Croix Stream and Masardis.

DRAINAGE AREA - 892 mi².

REVISIONS HISTORY - WDR ME-82-1: Drainage area. WDR-US-2008: 1973(M), 1983(M).

SURFACE-WATER RECORDS

PERIOD OF RECORD - DISCHARGE: September 1957 to current year.

GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 530.00 ft above National Geodetic Vertical Datum of 1929.

REMARKS - Slight regulation by Millinocket Lake, used for power.

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

Water Year 2021: Records good, except for estimated daily discharges, which are poor.

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

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 period of ice effect, Nov. 29 to Apr. 16, which is poor.

Water Year 2016: Records good, except for period of ice effect, Nov. 25 to Apr. 12, which is poor.

Water Year 2015: Records good, except for period of ice effect, Nov. 16 to Apr. 21, which is poor.

Water Year 2014: Records good, including period of doubtful gage-height record, Apr. 22 to May 5, except for periods of ice effect, Nov. 13-14 and Nov. 21 to Apr. 16, which are poor.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 29,500 ft³/s, May 1, 2008, gage height, 18.33 ft; maximum gage height, 18.70 ft, Apr. 9, 2009, (backwater from ice); minimum discharge, 29.2 ft³/s, Sept. 28, 2020, gage height, 2.01 ft.