San Bernardino Optimal Basin Management
Site Description for SBVMWD Backyard - SBVD (1S/4W-22D2, 4-7)
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-22D2 | 340439117173902 | 10/29/1991 to present | 11/14/1991 to present |
| 1S/4W-22D4 | 340439117173904 | 10/29/1991 to present | 11/14/1991 to present |
| 1S/4W-22D5 | 340439117173905 | 10/29/1991 to present | 11/13/1991 to present |
| 1S/4W-22D6 | 340439117173906 | 10/29/1991 to present | 11/14/1991 to present |
| 1S/4W-22D7 | 340439117173907 | 10/29/1991 to present | 11/14/1991 to present |
CONSTRUCTION: Well and perforation depths, casing size and date of drilling completion is listed below.
| Well Id | Hole depth (ft) | Perforation depth (ft) | Casing size and type |
|---|---|---|---|
| 1S/4W- 22D2 22D4 22D5 22D6 22D7 |
700 700 700 700 55 |
160-200 650-655 555-574 388-398 16.6-26.6; 36.6-46.6 |
6" PVC 2" PVC 2" PVC 2" PVC 6" PVC |
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
Questions about Optimal Basin Management? Please contact Wes Danskin (email: wdanskin@usgs.gov or send a letter). 619.225.6132