San Luis Obispo County Water Resources

Division of Public Works


Paso Robles Groundwater Basin


Groundwater Basin Management Plan (Mar 2011)



Paso Robles Groundwater Basin Advisory Committee Special District Formation Paso Robles Groundwater Basin Computer Modeling
Documents and Reports Groundwater Management Plan (AB 3030) Supply Options Study


Current News and Information


  • The Advisory Committee's term has ended after the January 21, 2016 meeting. Please read the letter to the Members and Alternates from the Chair of the Board of Supervisors, Supervisor Lynn Compton: PBAC Thank You



  • The next Advisory Committee meeting will be on 1/21/15 at 2 p.m. at the Paso Roblew Council Chambers (1000 Spring Street, Paso Robles). Click here to view the agenda.




  • The Final Computer Model Update Report, Response to Comments and Refinement/Additional Model Runs Scope of Work have been added to the project website. Click on "Computer Modeling" in the Navigation box.


  • A subcommittee page has been added to describe each group's goals and who their members are. Check back for updates. Contact Information, meeting dates and reports will be posted as they become available.
  • The projected schedule for the Study Options study has been added.
  • Information on more current legislation regarding groundwater management has been added to the Mgmt Plan (AB 3030) page. Click to read more on AB 1739 and SB 1168.



More Information

For more information on land use efforts associated with the Paso Basin that are being implemented by the County Planning Department, please visit


To subscribe to our email list, please email

Well Level Hotline

Please call Scott Duffield at (805) 781- 5252 to report well level problems.


Our initial approach:

A) Understanding the physical situation

B) Understanding the impacted properties

C) Identifying options for property owners

D) Understanding property owners' preferences


Click here to see the attached informational flyer.


Please refer to the document listed below to obtain the contact information for potable water deliveries and potable water availabilities:



Groundwater Conditions and Trends

Water Level Change Maps



Hydrographs by Subarea (Last updated: June 2015)




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