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Water-Year Summary for Site 01011000

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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.
  • Not all sites have reports available for every water year.
Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00060 Discharge(Mean)  

Water year 2020: 2019-10-01 to 2020-09-30
 

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USGS Water-Year Summary 2020
01011000 ALLAGASH RIVER NEAR ALLAGASH, ME
LOCATION - Lat 47°04'11", long 69°04'46" referenced to North American Datum of 1983, Aroostook County, ME, Hydrologic Unit 01010002, on left bank 3.0 mi upstream from mouth and village of Allagash.
DRAINAGE AREA - 1,478 mi² of which 249 mi² probably is noncontributing. Drainage area is 1229 mi², not including 249 mi² drained by Chamberlain Lake through Telos Canal.
REVISIONS HISTORY - WSP 1231: 1911. WDR ME-82-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - DISCHARGE: July 1910 to November 1910, May to November 1911, September 1931 to current year. Monthly discharges only for some periods prior to November 1911, published in WSP 1301.
GAGE - Water-stage recorder. Datum of gage is 604.6 ft above National Geodetic Vertical Datum of 1929. Prior to December 1911, nonrecording gage at site 3.0 mi downstream at different datum.
REMARKS - Some regulation for recreational purposes since May 1969 by Churchill Lake 58 mi upstream.
  • 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, Dec. 1 to Apr. 14, and period of no gage-height record, Dec. 29 to Jan. 4, which are poor.
  • Water Year 2016: Records good, except for periods of ice effect, Nov. 22 to Dec. 5, Dec. 16-24, Dec. 27 to Apr. 16, and periods of no gage-height record, Nov. 30, Dec. 1, 4-5, 21, Jan. 3-6, 19-20, which are poor.
  • Water Year 2015: Records good, except for periods of ice effect, Nov. 20-22, Nov. 27 to Apr. 19, and periods of no gage-height record, Dec. 3, Jan. 3-23, Jan. 25 to Feb. 3, which are poor.
  • Water Year 2014: Records good, except for period of ice effect, Nov. 23 to Apr. 16, which is poor.

  • EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 40,900 ft³/s, Apr. 30, 2008, gage height, 14.89 ft; maximum gage height, 19.78 ft, Apr. 10, 1991 (backwater from ice); minimum discharge, 87 ft³/s, Sept. 11, 1960.
    WATER-QUALITY RECORDS
    PERIOD OF RECORD - CHEMICAL ANALYSES: Water years 1952-53, 1975, 1981.
    PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: April 1975 to September 1980. WATER TEMPERATURE: April 1975 to September 1980. October 2010 to September 2015 (discontinued). SUSPENDED SEDIMENT DISCHARGE: October 1975 to September 1976.
    INSTRUMENTATION - In-situ thermistor located on left bank 50 feet streamward of gage house and about 0.5 feet above river bed.
    REMARKS - Gaps in the record indicate missing data.
  • Water Year 2015: Records fair.
  • Water Year 2014: Records fair.
  • EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE: Maximum, 28.5°C, July 15, 2012; minimum, -0.1°C, on many days during winter periods in water years 2011-2015.