USGS Water-Year Summary for Site 03120869

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	Available Parameters
	00010 Temperature, water(Max.,Min.,Mean)
	00065 Gage height(Mean)
	00095 Specific cond at 25C(Max.,Min.,Mean)

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Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023

03120869 Willow Run near Dellroy OH

LOCATION - Lat 40°34'41", long 81°11'34" referenced to North American Datum of 1983, Carroll County, OH, Hydrologic Unit 05040001,

DRAINAGE AREA - 7.78 mi².

SURFACE-WATER RECORDS

GAGE - Water stage recorder. Datum of Gage is 932.09 ft (NAVD 1988).

REMARKS - WATER TEMPERATURE: Records good except July 1, 2015 to Sept. 1, 2015, Dec. 31, 2015 to Mar. 2, 2016, Mar. 22, 2016 to Apr. 16, 2016, Dec. 17-27, 2016, Feb. 28, 2017 to Apr. 4, 2017, Apr. 24, 2017 to May 26, 2017, Aug. 28, 2017 to Oct. 3, 2017, Jan. 31, 2018 to Mar. 11, 2018, Apr. 6-9, 2018, July 6-13, 2018, which are fair and Apr. 17-25, 2016, July 6, 2017 to Aug. 8, 2017, Mar. 12, 2018 to Apr. 5, 2018, which are poor. SPECIFIC CONDUCTANCE: Records fair except Sept. 15, 26-28, 2015, Sept. 30, 2015 to Oct. 3, 2015, Oct. 31, 2015 to Nov. 2, 2015, Feb. 2, 2016 to Mar. 1, 2016, Mar. 15, 2016, Dec. 16-25, 2016, Dec. 28, 2016 to Jan. 31, 2017, Mar. 31, 2017 to Apr. 4, 2017, and Apr. 24 to May 26, 2017, Oct. 30, 2017 to Nov. 21, 2017, Jan. 31, 2018 to Mar. 12, 2018, Apr. 6-9, 2018, Apr. 18, 30, 2018, May 3-4, 2018, Aug. 1-30, 2018, Sept. 10-12, 2018, Sept. 24, 2018 to Oct. 30, 2018, which are poor. GAGE HEIGHT: 2018WY Records good. Record quality ratings may not be included in the water-year summary for approved records newer than 09/30/2018. Record quality is still being rated internally. For questions about record quality ratings, please send email to: gs-w-oh_NWISWeb_Data_Inquiries@usgs.gov.

WATER-QUALITY RECORDS

PERIOD OF RECORD - WATER TEMPERATURE: July 2015 to current year. SPECIFIC CONDUCTANCE: July 2015 to current year. STAGE: July 2015 to current year; daily computed values since October 2018

PERIOD OF DAILY RECORD - WATER TEMPERATURE: July 2015 to current year. SPECIFIC CONDUCTANCE: July 2015 to current year.

INSTRUMENTATION - Water-quality monitor with specific conductance and temperature probe. Electronic data logger set for 1-hour interval.

EXTREMES FOR PERIOD OF RECORD - WATER TEMPERATURE: Maximum: 27.6 °C, Aug. 25, 2016; minimum: -0.2 °C, on several days during winter months; SPECIFIC CONDUCTANCE: Maximum: 381 microsiemens, Sept. 5, 2018; minimum: 56 microsiemens, June 28, 2019.