USGS Water-Year Summary for Site 04195500

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

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USGS Water-Year Summary 2024

04195500 Portage River at Woodville, OH

LOCATION - Lat 41°26'58", long 83°21'41" referenced to North American Datum of 1927, Sandusky County, OH, Hydrologic Unit 04100010, on left bank at upstream side of bridge on U.S. Highway 20 in Woodville, 600 ft downstream from unnamed tributary, and 10.3 mi upstream from Sugar Creek.

DRAINAGE AREA - 428 mi².

REVISIONS HISTORY - WSP 894: 1929-30. WSP 1207: 1933. WSP 1387: 1931, 1933. WSP 1912: Drainage area.

SURFACE-WATER RECORDS

PERIOD OF RECORD - July 1928 to December 1935, October 1939 to current year.

GAGE - Water-stage recorder. Datum of gage is 613.99 ft (NAVD 1988). Prior to October 1, 2012, datum was 614.75 ft (NGVD 1929). Prior to Oct. 8, 1933, nonrecording gage; Oct. 9, 1933-Dec. 30, 1935, water-stage recorder; Oct. 17-Nov. 29, 1939, nonrecording gage, all at same site and at (NGVD 1929).

REMARKS -

Records fair for the 2014 water year except for estimated records, which are poor. Oct. 1, 2014 to Feb. 4, 2015: records fair except for estimated records, which are poor. Feb. 4, 2015 to May 19, 2015: records good except for estimated records, which are poor. May 19, 2015 to Oct. 14, 2015: records fair. Oct. 15, 2015 to Nov. 16, 2015, discharge records fair. Nov. 17, 2015 to Nov. 9, 2016, discharge records good except for estimated discharges which are poor. Nov. 9, 2016 to May 6, 2017: discharge records good, except for estimated records which are poor. May 6, 2017 to October 19, 2017: discharge records fair. Oct. 20, 2017 to Apr. 9, 2018: discharge records fair, except for estimated record which are poor. Apr. 10, 2018 to Oct. 16, 2018: discharge records fair.

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.

Beginning on Sept. 1, 1951, flow diverted from Maumee River by Bowling Green Water Treatment Plant and supplemented as treated wastewater to river upstream from station by Bowling Green Wastewater Treatment Plant. Prior to the 2014 water year, published monthly and annual streamflows were adjusted by subtracting the diversion amounts. Beginning with the 2014 water year, published streamflows are no longer adjusted for diversions. Average diversions in ft³/s for the following water years are in the table below:

Water Year   Average Diversion
   2014            7.66
   2015            7.45
   2016            7.65
   2017            8.09
   2018            7.93
   2019            8.68
   2020            9.25
   2021           13.76
   2022            8.06
   2023            8.47

Water-quality data formerly collected at this site 800 ft downstream. Sediment data formerly collected at this site.

EXTREMES OUTSIDE PERIOD OF RECORD - Flood in Mar. 1913 reached a stage of 17 ft, from information by local residents; discharge, 17,000 ft³/s, from rating curve extended above 11,500 ft³/s.

WATER-QUALITY RECORDS

EXTREMES FOR PERIOD OF RECORD - Water Temperature: Maximum: 33.2 degrees Celsius, July 17, 2012 Minimum: -0.4 degrees Celsius, Nov. 19, 2022.