privatewelldata / Certified labs – California ELAP accreditation
Metropolitan Water District Southern California - Henry J. Mills Water Treatment Plant Laboratory
Metropolitan Water District Southern California - Henry J. Mills Water Treatment Plant Laboratory is on the official list: California ELAP accreditation. Updated 2026-10-17.
Riverside, 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 1618-S4
- Contact
- 550 East Alessandro Boulevard, Riverside, CA, 92508
(909) 392-5240 - 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
- Babcock Laboratories, Inc.Riverside, CA · 3 km
- Clinical Laboratory of San Bernardino, Inc.Grand Terrace, CA · 13 km
- City of Riverside Laboratory ServicesRiverside, CA · 13 km
- Veolia - City of Rialto Wastewater Treatment PlantBloomington, CA · 16 km
- BSK Associates - San Bernardino Analytical LaboratorySan Bernardino, CA · 16 km
- City of Redlands Joint Utilities LaboratoryRedlands, CA · 21 km
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