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Is Biloxi, MS tap water safe?

6 utilities serve Biloxi, by EPA’s records. Here is what EPA’s and Mississippi’s records show for each, against the legal limits and the stricter health goals.

Matched to your utility using EPA records.

The short answer

None of the 6 utilities serving Biloxi has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Mississippi’s records.

City of Biloxi, which serves the most people here, has 2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 17.4 ppb, above EPA’s health benchmark. Health goals are stricter than legal limits and are not enforced.

A town can be served by more than one utility, and some homes are on private wells. The name on your water bill tells you which is yours, and your ZIP code narrows it down. They are listed by how many people each serves in Biloxi’s ZIP codes, from EPA’s estimates.

What handles it

Each of these is certified, on a certifier’s listing, for a result above a line in City of Biloxi’s water, which serves the most people here. Another utility’s report names what handles its own results.

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Every claim, and more filters, in the full report

Water testing near Biloxi

A utility tests the water it sends out. A test of your own tap shows what your pipes add, and on a private well it is the only test there is. It takes a lab Mississippi certifies.

The 3 labs Mississippi certifies closest to Biloxi, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.

  • Micro-Methods Laboratory

    Ocean Springs, MS · about 10 miles

    Certified for bacteria

    (228) 875-6420

  • Huntington Ingalls, Inc

    Pascagoula, MS · about 25 miles

    Certified for bacteria

  • Bonner Analytical Testing, Inc.

    Hattiesburg, MS · about 69 miles

    Certified for bacteria

    (601) 264-2854

Mississippi State Department of Health: Bacteria testing for private wells: apply online, and the department takes a sample from your well and tests it. It does not test for minerals or chemicals. $10 plus a processing fee, invoiced by email. Private Well Sample application, Mississippi State Department of Health.

All 5 certified labs for Mississippi

ZIP codes in Biloxi

Which ZIP codes are in Biloxi: Census 2020 relationship files. Which utilities serve them, and how many people: EPA SDWIS and EPA’s service area map. Each utility’s results: EPA UCMR 5, EPA SDWIS, and EPA’s and the state’s compliance monitoring, as its report lists them. How they are measured: methodology. Certified labs: MSDH, water supply certification: in-state participating labs; distances from the Census 2020 ZIP code tabulation area gazetteer.

Near Biloxi

Other towns in Harrison County with a page of their own.

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