Water Information Directory
Welcome to the SLO County Water Hub!
Your one-stop shop to anything water related in San Luis Obispo County and more. Below, you'll find links to webpages with information about water sources, providers, management efforts and many other topics. We hope you can find what you're looking for!
Updates and Information
Planned Network Outage for Stream, Rain, and Reservoir Level Real-Time Reporting
- The San Luis Obispo Water Conservation and Flood Control District is upgrading the Automated Local Evaluation in Real Time (ALERT) flood warning system at rain and stream gauge stations in the County of San Luis Obispo. Live data transmitting to the wr.slocountywater.org website for rain, stream, and reservoir levels has been off-line since July 18, 2022. Live reservoir level data is anticipated to return to service on July 29, 2022. The majority of stream and rain data will be transmitting real-time by September 2022. The project is expected to be complete by November 2022. Please see map for specific locations and click here for additional information.
CSA 23 Water Alert - Please Conserve!
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To access real-time rain, stream, and reservoir data for the County of San Luis Obispo, please visit wr.slocountywater.org.
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For information on Drinking Water and Wastewater Services provided by the County of San Luis Obispo, please click here.
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For information on our local groundwater basins, please visit the County's Sustainable Groundwater Management Act (SGMA) web page.
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For the latest reservoir reports and water quality data of our local lakes, creeks and beaches, please click here.
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For information on the County's Stormwater and Flood Control Program and related efforts, please click here.
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- Additional Links to local water purveyors and state agencies.
- Links to current groundwater studies:
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For information on PFAS, please click here.
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Contact Public Works via web form, email, or call us at (805) 781-5252.