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Is Maunawili, HI tap water safe?

Hnl - Windward - Pearl Harbor serves Maunawili, by EPA’s records. Here is what EPA’s records show for it, against the legal limits and the stricter health goals.

Matched to your utility using EPA records.

The short answer

Hnl - Windward - Pearl Harbor serves Maunawili. In EPA’s records it has 2 results above the health goal, and no health-based violation since 2016.

The worst: Arsenic at 0.092 ppb, above the health goal. Health goals are stricter than legal limits and are not enforced.

Some homes in a town are on private wells or a small system of their own. The name on your water bill tells you which is yours.

What handles it

Each of these is certified, on a certifier’s listing, for a result above a line in Hnl - Windward - Pearl Harbor’s water.

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Every claim, and more filters, in the full report

Water testing near Maunawili

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 Hawaii certifies.

The 2 labs Hawaii certifies closest to Maunawili, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.

  • AECOS, Inc. - Kaneohe

    Kaneohe, HI · about 6 miles

    Certified for bacteria

    (808) 234-7770

  • FQLabs - Honolulu

    Honolulu, HI · about 8 miles

    Certified for bacteria

    (808) 839-9444

All 12 certified labs for Hawaii

ZIP codes in Maunawili

Which ZIP codes are in Maunawili: 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: Hawaii Department of Health, State Laboratories Division, certified chemistry, radiochemistry and microbiology drinking water laboratories; distances from the Census 2020 ZIP code tabulation area gazetteer.

Near Maunawili

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

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