USGS Water-Year Summary for Site USGS 340439117173902

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

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

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USGS Water-Year Summary 2023

340439117173902 001S004W22D002S, San Bernardino Valley Municipal Water District Cluster Well, at San Bernardino, CA

California Coastal Basin aquifers

LOCATION - Lat 34°04'38.68", long 117°17'42.54" referenced to North American Datum of 1983, in sec.00, T.1 S., R.4 W., San Bernardino County, CA, Hydrologic Unit 18070203, in Rancho Muscupiabe Grant, near Orange Show Road and E Street, at the Headquarters of the San Bernardino Valley Municipal Water District, in San Bernardino.

REVISIONS HISTORY - Elevation data for Continuous and Discrete Water-levels from beginning of record until July 6, 2020 was revised to reflect elevation of site.

GROUNDWATER RECORDS

WELL CHARACTERISTICS - Depth 151.3 ft. Upper casing diameter 6 in; top of first opening 160 ft, bottom of last opening 200 ft.

DATUM - Land-surface datum is 977.44 ft above North American Vertical Datum of 1988. Measuring point: Top of 6 inch PVC casing, black mark on south side (below LSD), 0.15 ft below land-surface datum, Oct. 30, 1990 to Jan. 17, 2020; Top of concrete vault (above LSD), 0.4 ft above land-surface datum, Oct. 30, 1990 to Jan. 17, 2020; Top of 6in PVC casing, 0.1 ft below land-surface datum, Jan. 16, 2020 to present.

PERIOD OF RECORD - Water year 1991 to current year.

GAGE - Electronic data logger.

REMARKS - The San Bernardino Valley Municipal Water District (SBVMWD) Cluster Wells consist of five continuous record groundwater wells, located in a common ground-level vault. The individual stations are well 1S/4W-22D2, station 340439117173902; well 1S/4W-22D4, station 340439117173904; well 1S/4W-22D5, station 340439117173905; well 1S/4W-22D6, station 340439117173906; and well 1S/4W-22D7, station 340439117173907 (discrete measurements only).

PERIOD OF DAILY RECORD - November 1991 to April 1992, June 1992 to January 1993, March 1993 to June 1993, August 1993 to December 1993, December 1994 to February 1996, July 1996 to August 2000, October 2000 to December 2001, February 2002 to September 2002, February 2003 to March 2005, May 2005 to current year.

EXTREMES FOR PERIOD OF RECORD - Highest water level recorded, 6.25 ft below land surface, Apr. 15, 1991; lowest water level recorded, Obstructed at approximately 151 ft Below LSD, January 30, 2020.