The CLERC Lab

ELAP Certificate # 3056

CLERC operates a water quality testing laboratory at Kits Corner in Kelseyville, CA. The CLERC Lab offers the service of analyzing drinking water and wastewater for total coliform and E. coli. The CLERC Lab is accredited through the California Environmental Laboratory Accreditation Program (ELAP), Certificate No. 3056, for the following tests:

Drinking water
Total coliform P/A
E. coli P/A
Total coliform enumeration
E. coli enumeration

Wastewater
Total coliform enumeration
E. coli enumeration

The CLERC Lab is the only accredited microbiology lab in Lake County. The lab is setup to report results to the Division of Drinking Water when required.

Download Chain of Custody

In order to slow the spread of COVID-19, the CLERC Lab is currently receiving samples by appointment only. ​ If you are interested in having your water tested at the CLERC Lab, please contact the Lab Manager at 707-530-6251 or email lab[at]clerc.co

Contact Lab Manager

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Lab Forms and Downloads

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Additional Resources:

​State Water Resources Control Board - Division of Drinking Water
California Society of Environmental Analysts