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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.
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USGS Water-Year Summary 2024
01017000 AROOSTOOK RIVER AT WASHBURN, ME
LOCATION - Lat 46°46'38", long 68°09'26" referenced to North American Datum of 1983, Aroostook County, ME, Hydrologic Unit 01010004, on right bank at Bangor and Aroostook Railroad bridge, 0.1 mi downstream from Salmon Brook.
DRAINAGE AREA - 1,654 mi².
REVISIONS HISTORY - WSP 951: 1935, WSP 1301: 1933-50 (adjusted monthly runoff). WDR ME-82-1: Drainage area. WDR ME-97-1: 1991(M).
SURFACE-WATER RECORDS
PERIOD OF RECORD - DISCHARGE: August 1930 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 436.40 ft above National Geodetic Vertical Datum of 1929. Prior to Oct. 1, 1948, at datum 2.0 ft higher.
REMARKS - Considerable regulation by Squa Pan 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. 30 to Apr. 15, which is poor.
Water Year 2016: Records good, except for period of ice effect, Nov. 25 to Apr. 14, which is poor.
Water Year 2015: Records good, except for period of ice effect, Nov. 18 to Apr. 21, which is poor.
Water Year 2014: Records good, 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, 49,500 ft³/s, May 1, 2008, gage height, 13.90 ft; maximum gage height, 21.13 ft, Apr. 18, 2015 (backwater from ice); minimum daily discharge, 73.9 ft³/s, Sept. 25, 2020.
WATER-QUALITY RECORDS
PERIOD OF RECORD - CHEMICAL ANALYSES: Water years 1952-53.
