USGS Water-Year Summary for Site 01031500

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	Available Parameters
	00010 Temperature, water(Max.,Min.,Mean)
	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

01031500 PISCATAQUIS RIVER NEAR DOVER-FOXCROFT, ME

LOCATION - Lat 45°10'30", long 69°18'53" referenced to North American Datum of 1983, Piscataquis County, ME, Hydrologic Unit 01020004, on left bank 30 ft downstream from Lows Bridge, 1.0 mi upstream from Black Stream, and 4.7 mi upstream from Dover-Foxcroft.

DRAINAGE AREA - 298 mi².

REVISIONS HISTORY - WSP 279: 1902. WSP 1201: 1903-17, 1918-30(M), 1934-35. WSP 1301: 1909(M). WDR ME-81-1: Drainage area. WDR-US-2016: 2015(M)

The maximum discharge and gage height for water year 2015 was revised on August 10, 2017, as the values published in water year 2015 occurred on the rise of an event that peaked in the following water year.

SURFACE-WATER RECORDS

PERIOD OF RECORD - DISCHARGE: August 1902 to current year. Daily gage height and monthly discharge only for August to September 1902.

GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 358.47 ft above National Geodetic Vertical Datum of 1929. Prior to July 20, 1930, nonrecording gage at same site and datum.

REMARKS - Low flow may be regulated by the operation of mills above the station.

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, including period of no gage-height record, July 4-5, except for estimated daily discharges, which are poor.

Water Year 2017: Records good, including period of no gage-height record, May 1-2, except for period of ice effect, Dec. 6 to Apr. 10 and periods of no gage-height record, Dec. 18-20, Jan. 16-17, Mar. 4-7, which are poor.

Water Year 2016: Records good, except for periods of ice effect, Nov. 22 to Dec. 2, Dec. 5-9, 19-22, Dec. 27 to Feb. 26, Feb. 29 to Mar. 14, Apr. 2-7, and period of no gage-height record, Jan. 22-27, which are poor.

Water Year 2015: Records good, except for periods of ice effect, Nov. 19-23, Nov. 27 to Dec. 11, and Dec. 28 to Apr. 16, which are poor.

Water Year 2014: Records good, except for period of no gage-height record, July 12-14, which is fair, and periods of ice effect, Nov. 24-27, Nov. 29 to Apr. 12, which are poor.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 37,300 ft³/s, Apr. 1, 1987, gage height, 22.62 ft, from rating curve extended above 20,000 ft³/s on basis of slope-area measurement; minimum discharge, 5.0 ft³/s, Aug. 6, 1905, Nov. 22, 1908.

WATER-QUALITY RECORDS

PERIOD OF RECORD - CHEMICAL ANALYSES: Water year 1955.

PERIOD OF DAILY RECORD - WATER TEMPERATURE: May 1987 to September 1989. July 2011 to September 2015 (discontinued).

INSTRUMENTATION - In-situ thermistor located on left bank 85 feet streamward of gage house and about 0.5 feet above river bed. Prior to May 7, 2013, in-situ thermistor on left bank 70 feet streamward of gage house and about 0.5 feet above river bed. Prior to March 21, 2013, in-situ thermistor located on left bank 85 feet streamward of gage house and about 0.5 feet above river bed. Prior to June 21, 2012, in-situ thermistor on left bank 70 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, 31.0°C, Aug. 6, 1988; minimum, -0.2°C, on many days during winter periods in water year 2013, 2014.