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Water-Year Summary for Site 411402080492400
Flow regulated by storage in Milton Reservoir and Berlin Reservoir on the Mahoning River, Michael J. Kirwan Reservoir on West Branch Mahoning River, Mosquito Creek Reservoir on Mosquito Creek, Meander Creek Reservoir on Meander Creek, together with several reservoirs on Squaw Creek. Water is also diverted upstream for various other uses.
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 TEMPERATURE: May 2019 to present.
SPECIFIC CONDUCTANCE: May 2019 to present.
DISSOLVED OXYGEN: May 2019 to present.
pH: May 2019 to present.
WATER TEMPERATURE: Maximum 25.8°C, July 19 and 21, 2019; minimum: -0.1°C, Dec. 20, 2019 and Jan. 20-21, 2020.
SPECIFIC CONDUCTANCE: Maximum: 531 microsiemens, Jan. 18, 2020; minimum: 129 microsiemens, June 17, 2019.
DISSOLVED OXYGEN: Maximum: 14.8 mg/L, Dec. 20, 2019; minimum: 7.0 mg/L, Sept. 14, 2019.
pH: Maximum: 8.1 units, several days; minimum: 7.0 units, Sept. 15, 2019.