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Is Williamsburg, KY tap water safe?

3 utilities serve Williamsburg, by EPA’s records. Here is what EPA’s and Kentucky’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 3 utilities serving Williamsburg have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Kentucky’s records: Whitley Co Water District and Cumberland Falls Highway Water District.

Whitley Co Water District, which serves the most people here, has 2 results above the legal limit and 2 results above EPA’s new limit, which takes effect in 2029. The worst: Haloacetic acids (HAA5) at 64.9 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 Williamsburg’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 Whitley Co Water District’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 Williamsburg

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 Kentucky certifies.

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

Certified labs, state by state

ZIP codes in Williamsburg

Which ZIP codes are in Williamsburg: 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 Williamsburg

Towns nearby with a page of their own.

What to do next