San Bernardino Optimal Basin Management


Site Description for Sierra High School - SBSH (1S/4W-2D6-8)

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-2D6 340707117162706 10/29/1991 to present 11/20/1991 to present
1S/4W-2D7 340707117162707 10/29/1991 to present 11/20/1991 to present
1S/4W-2D8 340707117162708 10/29/1991 to present 11/20/1991 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-
2D6
2D7
2D8

530
530
530

520-530
340-400
170-190

2" Steel
6" Steel
2" Steel