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Water-Year Summary for Site 361935120134501

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Available Parameters
50012 Compaction, aquifer system(Max.,Min.,Med.) [Cumulative since 3/10/1965]  
50012 Compaction, aquifer system(Max.,Min.,Med.) [Cumulative since 3/1/2012]  
72019 Water level, depth LSD(Max.,Min.,Med.)  

Water year 2021: 2021-10-01 to 2022-09-30
 

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USGS Water-Year Summary 2021
361935120134501 018S016E33A001M
Central Valley aquifer system
LOCATION - Lat 36°19'35.6", long 120°13'47.7" referenced to North American Datum of 1983, in NE 1/4 NE 1/4 sec.33, T.18 S., R.16 E., Fresno County, CA, Hydrologic Unit 18030009,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 1,070 ft. Upper casing diameter 8 in; top of first opening 858 ft, bottom of last opening 1,070 ft.
DATUM - Land-surface datum is 323 ft above North American Vertical Datum of 1988. Measuring point: Undefined, 1.0 ft above land-surface datum, Sep. 26, 1964 to Jun. 24, 2011; Top of 8.5 inch casing on west side, 0.53 ft above land-surface datum, Jun. 23, 2011 to present.
PERIOD OF RECORD -

Water years 1964 to current year.

GAGE -

Electronic data logger and pressure sensor; potentiometer and dial gage

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. The effects of friction in the extensometer apparatus, likely caused by contact between the extensometer cable and the casing, are evident throughout the record by periods of little change which are terminated by small vertical offsets, which resulted in a frictional deadband in the record. The friction was largely overcome by manually oscillating the cable during field visits, which involved applying force to the cable to free it from the friction. Therefore, the magnitude of compaction that occurred during periods of friction was recorded when the friction was overcome; however, the time delay between actual compaction and recording of the compaction during these periods is unknown.

 Site consists of 1 continuous record groundwater well and 1 subsidence monitoring site, located in a building.

PERIOD OF DAILY RECORD -

March 2012 to current year.

EXTREMES FOR PERIOD OF RECORD -

Highest daily maximum water level recorded, 279.91 ft depth to water below land surface, Feb 29, 2012; lowest daily minimum water level recorded, 468.61 ft depth to water below land surface, Aug. 14, 2016.