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Is Woodstock, IL tap water safe?

Woodstock serves Woodstock, by EPA’s records. Here is what EPA’s and Illinois’s records show for it, against the legal limits and the stricter health goals.

Matched to your utility using EPA records.

The short answer

Woodstock serves Woodstock. In EPA’s and Illinois’s records it has 1 result above the action level and 1 result above the health goal, and 1 health-based violation since 2016.

The worst: Copper at 1.5 ppm, above the action level.

The water from Woodstock is moderately hard to very hard depending on the source, 100 to 250 mg/L (5.8 to 14.6 grains per gallon). How Illinois’s water compares.

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 Woodstock’s water.

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Every claim, and more filters, in the full report

Water testing near Woodstock

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 Woodstock, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.

  • McHenry County Health Department

    Woodstock, IL · under a mile

    Certified for bacteria

    (815) 334-4585

  • Pace Analytical Services, LLC - McHenry

    McHenry, IL · about 8 miles

    Certified for bacteria

    (815) 344-4044

  • Lake County Environmental Laboratory

    Libertyville, IL · about 26 miles

    Certified for bacteria

    (847) 377-8017

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 Woodstock

Which ZIP codes are in Woodstock: 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 Woodstock

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

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