USGS Water-Year Summary for Site 340439117173904

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

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Water year 2024: 2023-10-01 to 2024-09-30

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USGS Water-Year Summary 2024

340439117173904 001S004W22D004S, 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 -

A migrated, open ended 'MNT' qualifier was removed from the period of 7/25/2016 23:00 to 4/5/2017 10:45. No unit values were affected by revision.

Elevation data for Continuous and Discrete Water-levels from Nov. 13, 1991 until July 6, 2020 were revised to reflect elevation of site.

GROUNDWATER RECORDS

WELL CHARACTERISTICS - Depth 652 ft. Upper casing diameter 2 in; top of first opening 650 ft, bottom of last opening 655 ft.

DATUM - Land-surface datum is 977.44 ft above North American Vertical Datum of 1988. Measuring point: Top of 2 inch PVC casing, black mark on south side (below LSD), 0.18 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 2in PVC casing, 0.09 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 June 1993, August 1993 to April 1994, July 1994 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, 4.99 ft below land surface, Apr. 22, 1998; lowest water level recorded, 162.72 ft below land surface, October 12, 2022.