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Water-Year Summary for Site 353049119434103

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Available Parameters
62611 Elevation, GW, NAVD88(Max.,Min.,Med.)  
72019 Water level, depth LSD(Max.,Min.,Med.)  

Water year 2025: 2025-10-01 to 2026-09-30
 
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USGS Water-Year Summary 2025
353049119434103 028S021E08A003M
LOCATION - Lat 35°30'49.07", long 119°43'41.96" referenced to North American Datum of 1983, in NE 1/4 NE 1/4 sec.08, T.28 S., R.21 E., Kern County, CA, Hydrologic Unit 18030012,
REVISIONS HISTORY -

The water level of 514.40 feet below land surface measured on 2019-10-25 has been deleted from the record. It was determined that this measurement was in error based on the time series data collected around this time and previous and subsequent discrete measurements. The cause of the error was not determined.  

Discrete water levels measured in the other wells during this visit were inspected and found to be accurate.

Affected data: Groundwater elevation from 11/24/2018 to 11/16/21.

Prior to March 3, 2022, the elevation of LSD was reported as 492.03 ft above NAVD88 as determined by a GNSS survey (Reference Frame NAD83 (2011) (EPOCH:2010), GEOID12B) on November 19, 2018. The original survey was not processed to current standards. On November 17, 2021, a Level II GNSS survey of RM-1 (0.06 ft below LSD) was completed. Both the new survey and reprocessing of the original survey provided an elevation of LSD of 491.74 (Reference Frame NAD83 (2011) (EPOCH:2010), GEOID18). The groundwater elevation (time-series data set and discrete) was unapproved and all elevation data to date (11/24/2018 to 11/16/21) was reprocessed using the updated elevation (GEIOD18).

GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 890 ft. Upper casing diameter 1.94 in; top of first opening 870 ft, bottom of last opening 890 ft.
DATUM - Land-surface datum is 491.74 ft above North American Vertical Datum of 1988. Measuring point: BLACK MARK ON TOP OF PVC CASING, 0.56 ft below land-surface datum, Aug. 4, 2018 to present; EVEN LEVEL WITH TOP OF VAULT, 0 ft above land-surface datum, Aug. 4, 2018 to present.
PERIOD OF RECORD -

Water years 2019 to current year.

GAGE -

Electronic data logger and pressure sensor.

REMARKS -

Record is rated good. Sudden water-level changes may be attributed to nearby anthropogenic effects such as pumping and sampling or natural events such as earthquakes (July 2019).

 Site consists of five continuous record groundwater wells, located in a common ground-level vault.

PERIOD OF DAILY RECORD -

November 2018 to current year.