- 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.
Datum of the gage is 837.71 feet above North American Vertical Datum of 1988 (NAVD88) and 836.75 feet above National Geodetic Vertical Datum of 1929 (NGVD29)
For a detailed gage datum history, please use the blue 'questions or comments' tab on the bottom of the site's monitoring location page.
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 fair except for the 2020 water year, when record was good. Estimated discharges are poor, unless otherwise noted.
REGULATION.--Large part of high flow upstream is diverted into Marsh River Basin at overflow section approximately 15 miles upstream and 3.5 mi east of Ada. Another diversion into the Marsh River basin formed in 1947, 1.5 mi southeast of Ada and diverted water at all stages 1947-51. This diversion was closed after 1951, except for a diverting a small, regulated flow for abatement of contamination from Ada sewage plant effluent. Amount of this diversion not known.
