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Water-Year
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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
11446980 American River below Watt Avenue Bridge, near Carmichael, CA
LOCATION - Lat 38°34'02", long 121°23'14" referenced to North American Datum of 1927, in SE 1/4 NW 1/4 sec.12, T.8 N., R.5 E., Sacramento County, CA, Hydrologic Unit 18020111, on right bank, 5 mi southwest of Carmichael, and 20.2 mi downstream from Folsom Dam.
DRAINAGE AREA - 1,938 mi².
WATER-QUALITY RECORDS
PERIOD OF RECORD -
CONTINUOUS WATER-QUALITY DATA:
WATER TEMPERATURE: Water years November 1998 to current year. (water years 1999-2023, daily).
INSTRUMENTATION - Water-temperature recorder since Nov. 13, 1998.
REMARKS - Water temperature can be affected by releases from Folsom and Nimbus Dams.
Water-temperature record for the 2014 water year rated excellent except for some periods, which are rated good.
Water-temperature record for the 2015 water year rated good except for some periods, which are rated excellent or fair.
Water-temperature record for the 2016 water year rated excellent.
The practice of assigning qualitative accuracy ratings to water-quality data was discontinued in water year 2017.
Water-temperature record for the 2014 water year rated excellent except for some periods, which are rated good.
Water-temperature record for the 2015 water year rated good except for some periods, which are rated excellent or fair.
Water-temperature record for the 2016 water year rated excellent.
The practice of assigning qualitative accuracy ratings to water-quality data was discontinued in water year 2017.
