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

Environmental Health Services is open Monday-Friday from 8am to 5pm and serving one customer at a time (plus one additional person for those with a translator or who require physical assistance).  Please follow social distancing guidelines while waiting outside and call the office at (805) 781-5544 or visit for questions or to coordinate for special arrangements. Please visit for current EHS COVID-19 guidance documents or

The Health Agency is actively responding to COVID-19 and continuing to provide other essential services. Please see updates from Animal Services, Behavioral Health, Public Guardian and Public Health

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Environmental Health Services

Health Agency | Public Health

Private Well Owner Resources

A Guide for Private Domestic Well Owners

How to Maintain Your Well Video

Well Owners Checklist

Water Testing Guidance

Testing Your Water Well

Some unhealthy water contaminants, such as bacteria, heavy metals, nitrates, radon, and many chemicals, can only be found by laboratory testing.
A water testing laboratory can test your well water. The laboratory will supply the sampling bottles and can help you sample your own well.

More Resources


Well Program (Construction, Destruction, and Maintenance)
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