privatewelldata / Certified labs – California ELAP accreditation

Central Contra Costa Sanitary District, Dr. Mario M. Menesini Environmental Laboratory

Central Contra Costa Sanitary District, Dr. Mario M. Menesini Environmental Laboratory is on the official list: California ELAP accreditation. Updated 2026-10-17.

Martinez, California

⚠ Likely serves public water systems only. Call ahead: certification lists include some labs that only test for public water systems.

Certified by
California ELAP accreditation
Official scope
Lab type: Public Wastewater System (Municipal). ELAP certificate 1397
Contact
5015 Imhoff Place, Martinez, CA, 94553
(925) 335-7751
Source
California Water Boards – ELAP drinking water accredited laboratories
Licence
Public record (California State Water Resources Control Board)
Record refreshed
2026-10-17

Nearby certified labs

All labs on this list · What should I test for? · Test costs

← All labs