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  Home > Water Services > Water Resources > Hydrologic Report >
 2005-2006 HYDROLOGIC REPORT
 Sections
Introduction 
Los Angeles County
Flood Control and Water Conservation
Precipitation
Evaporation
Runoff
Reservoirs
Erosion Control
Water Conservation
Acknowledgments
Disclaimer
2005-2006 Hydrologic Report
This report discusses hydrologic data relative to the County of Los Angeles for the period beginning October 1, 2005, and ending September 30, 2006. Public Works has revised the format of this report to provide users with more useful data and a more efficient means of utilizing the data. The report consists of six sections.
PRECIPITATION
The Precipitation Section provides daily data for 244 active rainfall stations. Unpublished rainfall data are on file at Public Works.
 
 
EVAPORATION
The Evaporation Section contains data for 15 active evaporation stations. Unpublished evaporation data from previous years are on file at Public Works.
 
 
RUNOFF
The Runoff Section contains mean daily flow rates data for 56 active stream gaging stations. Peak annual flow rates and annual summaries for each of these stations are contained in this section. Unpublished stream flow data are on file at Public Works.
 
 
   
RESERVOIRS
The Reservoir Section provides a summary of annual inflow, outflow, and storage data for 14 dams and reservoirs. Daily inflow values are on file at Public Works.
 
 
EROSION CONTROL
The Erosion Control Section provides debris production and design capacity data for 118 debris basins. 
 
WATER CONSERVATION
The Water Conservation Section provides data for 27 groundwater recharge facilities. This section contains data on the water conserved at various facilities and water injected at seawater barries projects. Historical well level data for key wells are also contained in this section. Unpublished water conservation data from previous years are on file at Public Works.
 

Unpublished information may be obtained by contacting:

County of Los Angeles
Department of Public Works
Water Resources Division
P.O. Box 1460
Alhambra, CA 91802-1460
...or telephone: (626) 458-6120