Watershed & Coastal Resources Division, RDMD, Orange County, California

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Orange County, California
Who We Are Water Pollution Hotline Stormwater Program Watersheds Public Education Rainfall & Weather
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Introduction to Rainfall & Weather
Storm Data
Rainfall Data
Hydrologic Reports
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Hydrologic Reports

Environmental Resources Section - publishes an Annual Hydrologic Data Report containing data dating back as far as the late 1800s. New data are added each year from 66 reporting (via radio telemetry) rain gages, 14 recording, non-reporting rain gages, 33 non-recording, cooperative observer (maintained by volunteers) rain gages, and 36 reporting water level stations.

These hydrologic data, coupled with satellite and radar tracking of storms, are used for flood detection, allowing maintenance crews to be assigned to potential problem areas. The result is a better allocation of resources and enhanced public safety. The data are also used for a variety of other municipal purposes by the private sector.

The Hydrocycle image

A copy of the Annual Hydrologic Data Report is available for download in Adobe Acrobat (pdf.) format. Adobe Acrobat file viewing software may require updating to view these pdf. files. This window will open a new browser window Click here to Download Adobe Acrobat Reader.

All Hydrologic reports are in Adobe Acrobat Format
Adobe Acrobat Files

Hydrologic Report

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arrowPrecipitation Section

arrowStreamflow Section

 
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