Click
to
hide
Water-Year
Summary
instructions
and
information
- 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
11120000 Atascadero Creek near Goleta, CA
LOCATION - Lat 34°25'29", long 119°48'39" referenced to North American Datum of 1927, Santa Barbara County, CA, Hydrologic Unit 18060013, in La Goleta Grant, on downstream side of center pier of South Paterson Avenue bridge, 100 ft downstream from Maria Ygnacio Creek, 1.3 mi upstream from mouth, and 1.3 mi southeast of Goleta.
DRAINAGE AREA - 18.9 mi².
REVISIONS HISTORY - WSP 1635: 1943-45 (instantaneous maximum discharge), 1947 (instantaneous maximum discharge). WSP 1928: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1941 to current year. Prior to October 1947, published as "Alascadero Creek near Goleta."
WATER TEMPERATURE: Water year 1982.
SEDIMENT CONCENTRATION: Water year 1982.
SUSPENDED-SEDIMENT DISCHARGE: Water year 1982.
GAGE - Water-stage recorder and broad-crested weir. Datum of gage is 8.59 ft above NGVD of 1929 and 12.76 ft above NAVD of 1988. Prior to Dec. 14, 1967, at site 275 ft downstream, datum 4.00 ft higher. Dec. 14, 1967, to Sept. 30, 1976, at datum 4.00 ft higher; Oct. 1, 1976, to Sept. 30, 1978, at datum 2.00 ft higher, both at present site.
REMARKS - No regulation upstream from station. Small diversions for irrigation upstream from station. Some low-flow results from return irrigation wastewater.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 10,200 ft³/s, Mar. 10, 1995, gage height, 12.45 ft, present datum, from rating curve extended above 6,900 ft³/s, maximum gage height, 17.3 ft, from floodmark, Dec. 3, 1974, present datum; no flow for many days in most years.
