State-certified laboratory
Metropolitan Water District Southern California - Henry J. Mills Water Treatment Plant Laboratory
550 East Alessandro Boulevard, Riverside, CA, 92508
Services listed in the certification record
Certified for: Drinking water
Address550 East Alessandro Boulevard, Riverside, CA, 92508
Phone(909) 392-5240
Certification statuscertified
Certifying stateCalifornia (CA)
Residential customersNo. MassDEP lists this laboratory as not offering analytical services to residential customers.
Source listOfficial state source
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Listing data fetched from the official source: 2026-09-05T03:25:53+00:00
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