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Is Madison, MS tap water safe?

5 utilities serve Madison, 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

2 of the 5 utilities serving Madison have 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 Canton and Cmu - Lake Caroline.

Bear Creek W/A - West, which serves the most people here, has 1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 18.1 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 Madison’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 Bear Creek W/A - West’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 Madison

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.

No lab Mississippi certifies is within 75 miles of Madison on the state’s list. Some take samples by mail; the state’s page lists them all.

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 Madison

Which ZIP codes are in Madison: 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.

Near Madison

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

What to do next