USGS Water-Year Summary for Site USGS 11452600

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	Available Parameters
	00010 Temperature, water(Max.,Min.,Med.)
	00060 Discharge(Mean)
	63680 Turbidity, Form Neph(Med.,Max.,Min.)
	63680 Turbidity, Form Neph(Max.,Med.,Min.) [TS173: EUREKA MANTA2]
	80154 Suspnd sedmnt conc(Mean)
	80155 Suspnd sedmnt disch(Mean)

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Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023

11452600 Cache Creek Inflow to Settling Basin, near Woodland, CA

LOCATION - Lat 38°43'34", long 121°43'44" referenced to North American Datum of 1927, Yolo County, CA, Hydrologic Unit 18020116, in Rio Jesus Maria Land Grant, on right bank, at County Road 102 bridge, 2 mi east of Highway 113, and 3.9 mi northeast of Woodland.

DRAINAGE AREA - Drainage area below gage 11452500, Cache Creek at Yolo, CA, is indeterminate.

SURFACE-WATER RECORDS

PERIOD OF RECORD - February 2008 to April 30, 2017 (discontinued) (storm season only).

GAGE - Water-stage recorder. Datum of gage is NGVD of 1929.

REMARKS -

EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 15,000 ft³/s, Dec. 12, 2015, gage height, 47.46 ft, present datum, maximum stage observed, 49.66 ft, present datum, Dec. 1, 2012; no flow at times in most years.

WATER-QUALITY RECORDS

PERIOD OF RECORD - February 2008 to April 30, 2017 (discontinued) (storm season only). SEDIMENT DATA: February 2008 to April 30, 2017 (discontinued) (storm season only).

PERIOD OF DAILY RECORD - WATER TEMPERATURE: Feb. 22, 2011 to April 30, 2017 (discontinued) (storm season only). TURBIDITY: Dec. 19, 2010, to April 30, 2017 (discontinued) (storm season only). SUSPENDED-SEDIMENT DISCHARGE: February 2008 to April 30, 2017 (discontinued) (storm season only).

INSTRUMENTATION - Water-quality monitor since December 2010.

REMARKS - This site is part of the Cache Creek Settling Basin Study and is concerned only with the collection of records during times of flow. Discharges used in the sediment-discharge computations are determined to be equivalent to those of Cache Creek at Yolo, CA, (station 11452500). Sites are approximately 5 miles apart with little or no inflow and outflow between the two locations. The discharges now appear to be fairly equivalent, given that an average time-of-travel lag of two hours has been determined and applied. Therefore all discharges are now considered to be estimated. Instantaneous discharges provided in the particle-size distribution tables were determined from concurrent measurement data and observations on site. For the 2016 water year water temperature records rated poor. For the 2015 water year water temperature records were not approved due to equipment failure. For the 2014 water year water temperature records rated poor. For the 2016 water year turbidity records are rated poor. For the 2015 water year water turbidity records rated were not approved to equipment failure. For the 2014 water year turbidity records not published, failure to meet USGS publishing criteria.

The practice of assigning qualitative accuracy ratings to water-quality data was discontinued in water year 2017.

EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE: Maximum recorded, 26.0°C, Apr. 23, 2012; minimum recorded, 5.7°C, Jan. 14-15, 2013. TURBIDITY: Maximum recorded, >3,760 FNU, Mar. 6-8, 2016; minimum recorded, 0.1 FNU, Feb. 4-5, 2011. SEDIMENT CONCENTRATION: Maximum daily mean, 5,090 mg/L, estimated, Mar. 7, 2016; minimum daily mean, 0 mg/L, estimated, several days. SEDIMENT LOAD: Maximum daily, 81,000 tons, estimated, Jan. 9, 2017; minimum daily, 0.0 ton, estimated, several days.

EXTREMES FOR CURRENT YEAR - WATER TEMPERATURE: Maximum recorded, Undetermined; minimum recorded, Undetermined. TURBIDITY: Maximum recorded, >3,760 FNU, Mar. 6-8; minimum recorded, 2.4 FNU, Feb. 28. SEDIMENT CONCENTRATION: Maximum daily mean, 2,060 mg/L, estimated, Jan. 9; minimum daily mean, 1 mg/L, estimated, Jan. 3. SEDIMENT LOAD: Maximum daily, 81,000 tons, estimated, Jan. 9; minimum daily, 0.02 ton, estimated, Jan. 3.