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.

County Groundwater Monitoring Program: Notice of October 2022 Well Measurements

• ​This October, the County will be measuring water levels in wells and updating consent forms with participating well owners. Notices have been mailed to participating well owners and can be viewed below.  
  • Notice of October 2022 Well Measurements (English)
  • Aviso de Medidas de Pozos Hechas en Octubre del 2022 (Español)​

CSA 23 Water Alert - Please Conserve!

• ​Click here for more information.

Take me to:

To access real-time rain, stream, and reservoir data for the County of San Luis Obispo, please visit wr.slocountywater.org.		For information on Drinking Water and Wastewater Services provided by the County of San Luis Obispo, please click here.
For information on our local groundwater basins, please visit the County's Sustainable Groundwater Management Act (SGMA) web page.		For the latest reservoir reports and water quality data of our local lakes, creeks and beaches, please click here.
Integrated Regional Water Management (IRWM) Water Resources Advisory Committee (WRAC) Master Water Report		For information on the County's Stormwater and Flood Control Program and related efforts, please click here.
SLO County Drought Information Services & Resources State Drought Monitor Countywide Water Conservation Program		Additional Links to local water purveyors and state agencies. Links to current groundwater studies: Adelaida Area Hydrogeologic Study Paso Basin Aerial Groundwater Mapping Pilot Study
For information on PFAS, please click here.