USGS Water-Year Summary for Site 03095500

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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

03095500 Mosquito Creek bl Mosquito Ck Dam nr Cortland, OH

LOCATION - Lat 41°17'59", long 80°45'31" referenced to North American Datum of 1927, Trumbull County, OH, Hydrologic Unit 05030103, on the right wing wall of dam outlet 0.8 mile upstream from Confusion Run, and 2 mi southwest of Cortland.

DRAINAGE AREA - 97.5 mi².

REVISIONS HISTORY - WSP 1907: Drainage Area.

SURFACE-WATER RECORDS

PERIOD OF RECORD - May 1926 to September 1929 (published as "near Cortland"), May 1943 to September 1991, October 2009 to current year.

GAGE - Water-stage recorder and concrete control. Datum of gage is 873.34 ft (NAVD 1988). Prior to Oct. 1, 2010 datum of gage was published as 873.98 ft (NGVD 1929) ( from U.S. Army Corps of Engineers benchmark). Prior to August 23, 1943, nonrecording gage, and August 23, 1943 to February 1951, water-stage recorder, at site 900 ft downstream at datum 867.35 ft (NGVD 1929).

COOPERATION - U. S. Army Corps of Engineers, Pittsburgh District

REMARKS -

Records fair WY2014 and Oct. 1, 2014 to Aug 10, 2015. Records are good Aug. 11, 2015 to Oct. 19, 2017. Oct. 19. 2017 to Apr. 10, 2018: Discharge records are good. Apr. 10, 2018 to Nov. 20, 2018: Discharge records are fair. Record quality ratings may not be included in the water-year summary for approved records newer than 11/20/2018. 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.

Flow regulated by Mosquito Creek Reservoir since 1943. Diversion at lake outflow; diversion not included in figures of daily discharge. Water-quality data previously collected at this site. U.S. Army Corps of Engineers satellite telemeter at station.

EXTREMES FOR PERIOD PRIOR TO REGULATION - Maximum Discharge, 1890 ft³/s Jan. 19, 1929, gage height, 11.5 ft, from floodmark, at site and datum then in use; no flow at times.

WATER-QUALITY RECORDS

PERIOD OF RECORD - November 2010 to current year.

PERIOD OF DAILY RECORD - WATER TEMPERATURE: November 2010 to current year.

INSTRUMENTATION - Temperature probe. Electronic data logger set for 1-hour interval for water quality.

EXTREMES FOR PERIOD OF RECORD - WATER TEMPERATURE: Maximum, 29.3 °C, July 8, 2012; minimum, 0.2 °C, Jan. 3, 2012, and Jan. 22, 2013.