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 
• DESAL Plan

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
• Agricultural Resources

For information on PFAS, please click here.

• Additional Links to local water purveyors and state agencies.
• Links to current groundwater studies:
  • Adelaida Area Hydrogeologic Study