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Water-Year Summary for Site 01021470

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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
00060 Discharge(Mean)  

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

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USGS Water-Year Summary 2020
01021470 LIBBY BROOK NEAR NORTHFIELD, ME
LOCATION - Lat 44°48'03", long 67°43'30" referenced to North American Datum of 1983, Washington County, ME, Hydrologic Unit 01050002, on left bank, 0.9 mi southwest of the confluence with Machias River.
DRAINAGE AREA - 7.79 mi².
REVISIONS HISTORY - WDR-US-2007-1: 2002(P), 2005(P), 2006(P). Gage height and discharge data for the period Oct. 31, 2018 to Apr. 1, 2019 were revised on July 15, 2020. As a seasonal gage, record during the winter months was erroneously available on NWISWeb, and was deleted.
SURFACE-WATER RECORDS
PERIOD OF RECORD - DISCHARGE: July 2000 to September 2017. Seasonal records (October, April through September) water years 2018 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 133.16 ft above North American Vertical Datum of 1988.
REMARKS -
  • Water Year 2019: Site not operated during period November to March. No peak streamflow published for WY2019 as unable to confirm that annual peak was recorded in seasonal record. Records good, except for estimated daily discharges, which are fair.
  • Water Year 2018: Site not operated during period November to March. No peak streamflow published for WY2018 as unable to confirm that annual peak was recorded in seasonal record. Records good, except for estimated daily discharges, which are fair.
  • Water Year 2017: Records good, except for periods of ice effect, Dec. 10 to Jan. 24, Jan. 30 to Apr. 6, period of doubtful stage-discharge relation, Oct. 11-22, and periods of no gage-height record, Dec. 17-18, Feb. 14-16, which are poor.
  • Water Year 2016: Records good, except for periods of ice effect, Dec. 29 to Jan. 11, Jan. 13 to Feb. 3, Feb. 5-17, 19, 23, 27, Mar. 4, and period of no gage-height record, Jan. 14-17, which are poor.
  • Water Year 2015: Records good, except for periods of ice effect, Nov. 22, 29, Dec. 5, 7-8, 20-21, Dec. 30 to Mar. 10, Mar. 15-20, 23-24, and period of no gage-height record, Jan. 29-30, which are poor.
  • Water Year 2014: Records good, except for periods of ice effect, Nov. 25-26, 30, Dec. 11-21, 25-26, Dec. 29 to Jan. 1, Jan. 6-14, 21-31, Feb. 4 to Mar. 14, Mar. 17-18, Mar. 24 to Apr. 1, periods of doubtful stage-discharge relation, Oct. 5-7, 9-31, and periods of no gage-height record, Jan. 23-25, Feb. 9, which are fair.
  • EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 302 ft³/s, Mar. 29, 2005, gage height, 4.40 ft; maximum gage height, 5.74 ft, Jan. 24, 2013 (backwater from ice); minimum discharge, 2.1 ft³/s, August 2, 2010.