- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
DAILY DISCHARGE.--April 1919, April 1937 to September 1975; March to September 1995, March to September 1996, March to September 2002; October 1979 to current year (annual maximum discharge only). Records for July 1938, published in WSP 855, have been found to be unreliable and should not be used.
DAILY GAGE HEIGHT.--October 1979 to current year.
DISCHARGE.--October 2021 to current year.
Previous locations and datums are as follows:
March 18, 1938, to October 13, 1938; non-recording gage at present site and datum of 1,199.27 ft above NGVD29
March to Aug. 1919; non-recording gage half a mile upstream, datum unknown.
For a detailed gage datum history, please use the blue 'questions or comments' tab on the bottom of the site's monitoring location page.
Flow regulated by Lake Ashtabula 13 mi upstream (see station 05057500). Small diversions above station for municipal supply.
Accuracy of records for water years prior to 2014 are noted in the individual Annual Data Reports for those water years. For water years 2014 onward, records good except for the 2019 and 2021 water years, when record was fair. Estimated discharges are poor, unless otherwise noted.
