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Is Boulder Hill, IL tap water safe?

2 utilities serve Boulder Hill, by EPA’s records. Here is what EPA’s and Illinois’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 Boulder Hill has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Illinois’s records: Oswego.

Montgomery, which serves the most people here, has 1 result above EPA’s health benchmark. The worst: Lithium at 32.7 ppb, above EPA’s health benchmark. A health benchmark is a level EPA screens with, not a legal limit.

The water from Montgomery is moderately hard, typically 76 mg/L (4.4 grains per gallon). How Illinois’s water compares.

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 Boulder Hill’s ZIP codes, from EPA’s estimates.

Water testing near Boulder Hill

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 Illinois certifies.

The 3 labs Illinois certifies closest to Boulder Hill, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.

  • Eurofins Built Environment Testing Central-Chicago

    Naperville, IL · about 8 miles

    Certified for bacteria

    (331) 330-2066

  • Phigenics Analytical Services Laboratory

    Warrenville, IL · about 10 miles

    Certified for bacteria

    (844) 850-4087

  • Suburban Laboratories, Inc.

    Geneva, IL · about 10 miles

    Certified for bacteria

    (708) 544-3260

Illinois Department of Public Health: Coliform bacteria and nitrate testing for private wells, with sample bottles from your local health department, or from the department's nearest regional office where there is none. You mail the sample to the lab, and results come back through the health department. Well Sampling for Coliform & Nitrate, Illinois Department of Public Health.

All 30 certified labs for Illinois

ZIP codes in Boulder Hill

Which ZIP codes are in Boulder Hill: 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: Illinois Department of Public Health, certified water microbiology laboratories; distances from the Census 2020 ZIP code tabulation area gazetteer.

Near Boulder Hill

Towns nearby with a page of their own.

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