SITE NAVIGATION

• Santa Ana Home
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• Study Unit Description
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DATA CENTER

• NWISWeb ()
• Real-time data ()
• Site Information ()
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• Ground water ()
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• Precipitation ()

• Historical data
• Streamflow ()
• Ground water ()
• Water quality ()
• Annual Data Reports ()

• WaterWatch ()
• Floods/High flows ()
• DroughtWatch ()
• Ground water ()
• 2006 Streamflow Summary ()

ABOUT CALIFORNIA WSC

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USGS IN YOUR STATE

USGS Water Science Centers are located in each state.