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Is Mountain Lakes, NJ tap water safe?

2 utilities serve Mountain Lakes, by EPA’s records. Here is what EPA’s and CDC’s records show for each, against the legal limits and the stricter health goals.

Matched to your utility using EPA records.

The short answer

1 of the 2 utilities serving Mountain Lakes has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and CDC’s records: Boonton Water Dept.

Mountain Lakes Water Dep, which serves the most people here, has 1 result above EPA’s new limit, which takes effect in 2029 and 3 results above the health goal. The worst: PFOA at 13.3 ppt, above EPA’s new limit, which takes effect in 2029.

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 Mountain Lakes’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 Mountain Lakes Water Dep’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 Mountain Lakes

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 New Jersey certifies.

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

All 89 certified labs for New Jersey

ZIP codes in Mountain Lakes

Which ZIP codes are in Mountain Lakes: 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: NJDEP Office of Quality Assurance, certified drinking water labs; distances from the Census 2020 ZIP code tabulation area gazetteer.

Near Mountain Lakes

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

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