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

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USGS Water-Year Summary 2024

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) from survey (supplied by Army Corps) in October 2009. 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.