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COVID-19 Updates: Get the latest public information related to coronavirus disease 2019 (COVID-19) at ReadySLO.org.

The Environmental Health Services (EHS) office is closed to in-person visitation until further notice, however we remain open for business via www.slocounty.ca.gov/ContactEHS or by telephone at (805) 781-5544.  Please visit www.slocounty.ca.gov/CurrentEHSOperations for EHS COVID-19 guidance documents.

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Environmental Health Supervisors

Laurie Salo (805) 781-5552; [email protected]

  • Body Art, Food Protection, Swimming Pools and Spas, and Vector Programs

Leslie Terry (805) 781-5553; [email protected]

  • Beach Water Quality, Cross-Connection, Land Use, Small Public Water Systems and Water Well Programs

Aaron LaBarre (805) 781-5595; [email protected]

  • Hazardous Materials (CUPA) Programs

Cross-Connection Tester Certification Information

Who can use this service?

This service is available to individuals wishing to become certified to test Backflow Prevention Assemblies.

What is the process?

Step 1: Pass an Approved Certification Course

Contact AWWAABPA or ASSE to apply for and complete the course and examination. County of San Luis Obispo also accepts certification from the County of Los Angeles, County of Ventura and the County of Orange.

Step 2: Submit application to County of San Luis Obispo

Submit a completed Tester Application Form to the County of San Luis Obispo Environmental Health Services office. The application must be accompanied by proof of successful completion of any of  the backflow prevention assembly tester certification courses listed in Step 1.

Step 3: Provide Proof of Current Test Kit Calibration

Test kits must be calibrated annually.

Is there a charge for this service?

This service is provided free of charge.

When and where is this service offered?

This service is available throughout the year during regular business hours except during scheduled holidays.

Please visit us, email us, contact us, or call our office to begin the process.

Location, directions and hours of operation

Click on location name to show hours of operation, directions and phone information

Environmental Health Division

Monday - Friday 8-5

2156 Sierra Way Suite B San Luis Obispo , CA 93401

Tel: (805) 781-5544

Fax: (805) 781-4211

Environmental Health Supervisors

Laurie Salo (805) 781-5552; [email protected]

  • Body Art, Food Protection, Swimming Pools and Spas, and Vector Programs

Leslie Terry (805) 781-5553; [email protected]

  • Beach Water Quality, Cross-Connection, Land Use, Small Public Water Systems and Water Well Programs

Aaron LaBarre (805) 781-5595; [email protected]

  • Hazardous Materials (CUPA) Programs