Otay Water District

Otay Water District is on the official list: California ELAP accreditation. Updated 2026-10-17.

Spring Valley, 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 Water System (Municipal). ELAP certificate 1658
Contact: 11901 Singer Lane, Spring Valley, CA, 91978
(619) 670-2760
Source: California Water Boards – ELAP drinking water accredited laboratories
Licence: Public record (California State Water Resources Control Board)
Record refreshed: 2026-10-17