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California Water Science Center (CAWSC) - San Bernardino Valley Optimal Basin Management (OBM)

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San Bernardino Optimal Basin Management

Welcome to the U.S. Geological Survey (USGS) San Bernardino Optimal Basin Management website. This site provides hydrologic data collected or compiled by the USGS in the San Bernardino area; some additional data may be available from the USGS database National Water Information System (NWIS).

Project Chief: Wes Danskin
Phone: 619-225-6132
Email: wdanskin@usgs.gov

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Site Description for Commerce Center (1S/4W-22J1-4)

WATER-LEVEL RECORD: The period of record for intermittent and daily water-level measurements is listed below. Accuracy should be good (less than 0.1 feet) provided the sensor/cable assemblies do not slip and the data logger and barometer/transmitter are kept dry and clean.

State well number USGS station number Intermittent water level Daily water level
1S/4W-22J1 340408117165301 05/19/1997 to present 03/06/1998 to present
1S/4W-22J2 340408117165302 05/19/1997 to present 03/06/1998 to present
1S/4W-22J3 340408117165303 05/19/1997 to present 03/06/1998 to present
1S/4W-22J4 340408117165304 05/19/1997 to present 03/06/1998 to present

CONSTRUCTION: Well and perforation depths, casing size and date of drilling completion is listed below.

State well number USGS station number Hole depth(ft) Perforation depth(ft) Casing size and type Date drilled
1S/4W-22J1 340408117165301 900 840-860 2" PVC 3/22/97
1S/4W-22J2 340408117165302 900 520-540 2" PVC 3/22/97
1S/4W-22J3 340408117165303 900 240-260 2" PVC 3/22/97
1S/4W-22J4 340408117165304 900 25-45 2" PVC 3/22/97

Questions about Optimal Basin Management? Please contact Wes Danskin (email: wdanskin@usgs.gov or send a letter). 619.225.6132
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Page Last Modified: Wednesday, 18-May-2011 13:15:44 EDT