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

County Groundwater Monitoring Program: Notice of October 2023 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.

CSA 23 Water Alert - Please Conserve!

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.


For information on the County's Stormwater and Flood Control Program and related efforts, please click here


For information on PFAS in San Luis Obispo County, please click here.


Contact Public Works via web form, email, or call us at (805) 781-5252.