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Is Prairie Grove, AR tap water safe?

4 utilities serve Prairie Grove, by EPA’s records. Here is what EPA’s records show for each, against the legal limits and the stricter health goals.

Matched to your utility using EPA records.

The short answer

3 of the 4 utilities serving Prairie Grove have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s records: Washington Water Authority Wwa, Prairie Grove Waterworks and Lincoln Waterworks.

Washington Water Authority Wwa, which serves the most people here, has 1 result above the legal limit and 1 result above the health goal. The worst: Total trihalomethanes (TTHM) at 84.1 ppb, above the legal limit.

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 Prairie Grove’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 Washington Water Authority Wwa’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 Prairie Grove

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 Arkansas certifies.

TapBuff hasn’t read Arkansas’s list of certified labs yet. The national page links every state’s own list.

Certified labs, state by state

ZIP codes in Prairie Grove

Which ZIP codes are in Prairie Grove: 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 Prairie Grove

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

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