USGS Water-Year Summary for Site 01581752

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	Available Parameters
	00010 Temperature, water(Max.,Min.,Mean)
	00060 Discharge(Mean)
	00095 Specific cond at 25C(Max.,Min.,Mean)
	63680 Turbidity, Form Neph(Min.,Mean,Max.) [Discontinued]
	63680 Turbidity, Form Neph(Min.,Mean,Max.)

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Water year 2024: 2024-10-01 to 2025-09-30

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USGS Water-Year Summary 2024

01581752 PLUMTREE RUN NEAR BEL AIR, MD

LOCATION - Lat 39°29'46.6", long 76°20'50.8" referenced to North American Datum of 1983, Harford County, MD, Hydrologic Unit 02060003, on downstream side of bridge on Plumtree Road, 2.5 mi south of Bel Air.

DRAINAGE AREA - 2.50 mi².

REVISIONS HISTORY -

WDR-US-2006: 2003-04 (P).

https://waterdata.usgs.gov/nwis/dv/?site_no=01581752: 2002-2017 (Discharge)

https://nwis.waterdata.usgs.gov/md/nwis/peak?site_no=01581752: 2009 (Peak)

https://waterdata.usgs.gov/nwis/uv/?site_no=01581752: 2021 (Specific Conductance)

https://waterdata.usgs.gov/nwis/uv/?site_no=01581752: 2021 (Turbidity)

The indirect discharge for Measurement 166S was revised on 09/21/2022 due to sensor malfunction that was identified after the measurement had been approved.

SURFACE-WATER RECORDS

PERIOD OF RECORD - October 2001 to current year.

GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 182.27 ft above North American Vertical Datum of 1988.

REMARKS -

Water Year 2022: Records fair, except those above 100 ft³/s and those for estimated discharges, which are poor.

Water Years 2017-2021: Records fair, except those for estimated discharges, which are poor.

Water Years 2015-2016: Records good, except those above 200 ft³/s, which are fair, and those for estimated daily discharges, which are poor.

Water Year 2014: Records good, except those for estimated daily discharges, which are poor.

Water Year 2013 and prior years' accuracy statements can be found in Annual Water Data Reports.

U.S. Geological Survey satellite data-collection platform at station.

WATER-QUALITY RECORDS

PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: August 2013 to current year. WATER TEMPERATURE: August 2013 to current year. TURBIDITY: August 2013 to current year.

COOPERATION - Funding for water-quality data collection and analysis is provided by the Harford County Government and the U.S. Geological Survey.

INSTRUMENTATION - Water-quality monitor, August 2013 to current year.

REMARKS - Turbidity values greater than 1,000 formazin nepthelometric units (FNU) exceed the instrument calibration range. Values are included in the record but are presumed to have lower precision. Missing record due to periodic instrumentation malfunction.

EXTREMES FOR PERIOD OF DAILY RECORD -

SPECIFIC CONDUCTANCE: Maximum, 12,100 microsiemens/cm, Mar. 1 and 2, 2015; minimum, 32 microsiemens/cm, Sept. 01, 2021.

WATER TEMPERATURE: Maximum, 27.2°C, July 13, 2021; minimum, -0.4°C, on several days.

EXO TURBIDITY: Maximum, 1410 formazin nephelometric units (FNU), July 12, 2021 ; minimum, 0 FNU, on June 10. 2020- on several days.

TURBIDITY: Maximum, 1,520 formazin nephelometric units (FNU), June 02, 2018; minimum, 0.0 FNU, on several days.