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Is Creston, IA tap water safe?

2 utilities serve Creston, by EPA’s records. Here is what EPA’s and Iowa’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 Creston has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Iowa’s records: Creston Water Supply.

Creston Water Supply, which serves the most people here, has 2 results above the health goal. The worst: Lead at 7.0 ppb, above the health goal. 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 Creston’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 Creston Water Supply’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 Creston

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 Iowa certifies.

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

  • State Hygienic Laboratory - Ankeny

    Ankeny, IA · about 60 miles

    Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics

    (515) 725-1600

State Hygienic Laboratory at the University of Iowa: Through the Grants-to-Counties program, private well owners in participating counties can have their water tested for total coliform bacteria and nitrate. Start with the county sanitarian at your county health department. No cost in a participating county. The Grants-to-Counties Program, State Hygienic Lab at the University of Iowa.

All 36 certified labs for Iowa

ZIP codes in Creston

Which ZIP codes are in Creston: 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: Iowa DNR, laboratories certified for drinking water; distances from the Census 2020 ZIP code tabulation area gazetteer.

Near Creston

Towns nearby with a page of their own.

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