Mel Leong Treatment Plant Laboratory

Mel Leong Treatment Plant Laboratory is on the official list: California ELAP accreditation. Updated 2026-10-17.

San Francisco, 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: City (Municipal). ELAP certificate 1705
Contact: Building 910, Clearwater Drive, San Francisco, CA, 94128
(650) 821-8359
Source: California Water Boards – ELAP drinking water accredited laboratories
Licence: Public record (California State Water Resources Control Board)
Record refreshed: 2026-10-17