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- 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.
USGS Water-Year Summary 2024
11313434 Old River at Quimby Island, near Bethel Island, CA
LOCATION - Lat 38°01'38", long 121°33'52" referenced to North American Datum of 1983, Contra Costa County, CA, Hydrologic Unit 18040003,
DRAINAGE AREA - Indeterminate
