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Surface Water Conditions of the San Bernardino Valley Basin

There are no streamflow data or flood ALERT equipment in this basin.  Reservoir and stockpond data, including maximum storage or maximum surface area of large reservoirs and type of use of the stored water, are shown in Table 3.11-1.   The location of USGS runoff contours and large reservoirs are shown on Figure 3.11-4.  The USGS annual runoff contours as well as stream channels are shown on Figure 3.11-4.  Descriptions of stream, reservoir and stockpond data sources and methods are found in Volume 1, Appendix A.  Additional information on surface water in this basin can be found in Section 3.11.5 - Perennial/Intermittent Streams and Springs and Section 3.0.2 - Surface Water Hydrology. Where available, the header for each section provides a link to the data web site.  

Reservoirs and Stockponds

  • Refer to Table 3.11-1
  • Surface water is stored or could be stored in one large and five small reservoirs in the basin.
  • Total maximum surface area in the large reservoir is 401 acres. The use of this reservoir is unknown.
  • There are 151 registered stockponds in this basin.

Runoff Contour

  • Refer to Figure 3.11-4.
  • Average annual runoff varies from 0.2 inches per year, or 10.6 acre-feet per square mile, in the middle half of the basin to 2 inches per year, or 106.6 acre-feet per square mile, at the northern boundary.

Click to view Table 3.11-1

Click to view Table 3.11-1 Reservoirs and Stockponds in the San Bernardino Valley Basin

Click to view Figure 3.11-4

Click to view Figure 3.11-4 San Bernardino Valley Basin

Surface Water Conditions

 

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