Mount Vernon Tap Water Quality Report
Mount Vernon's water met every enforceable federal limit, but 2 results sit above a health goal. For many substances that goal is zero, so the number that matters is the distance to the limit.
Utility
ARCOLA/TUSCOLA WATER TRANSMISSIOIN MAIN
People Served
50
MCL Violations
0
Last Updated
Is Mount Vernon Tap Water Safe to Drink?
Read that carefully, because "above a health goal" is the phrase people misread. For many substances the goal is zero, so it can mean "found at all" rather than "too much" — the number that matters is the distance to the enforceable limit, and the table below shows both. Where a finding warrants it, match a certified filter to that contaminant rather than to a "removes 99%" claim.
The data below shows test results from 1 water utility serving 50 people in the Mount Vernon area. Water quality testing is conducted regularly and reported to the EPA. This report was last updated 2022-06-15.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Illinois
Mount Vernon Water Service Areas
What these numbers actually mean for Mount Vernon, IL
We read Mount Vernon, IL’s published record and send you a short report — which findings warrant a decision, which to ignore, and what to do about it. Including when the answer is nothing.
- 2 contaminants above EPA health goals
- 15 analytes tested
- No PFAS results on record
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What Mount Vernon's water readings can explain
We publish a city-level hardness figure for Mount Vernon, resolved from its water systems where they report one and estimated from county sampling where they do not. Each page starts with the hot-tap and cold-tap check, then shows what your own water system reported.
On a private well near Mount Vernon? Public-water results do not apply to private wells. See Jefferson County well water testing and USGS risk data — modeled arsenic, nitrate, and the tests to run.
What a water softener costs for Mount Vernon's water
Mount Vernon's tap water measures 10.5 grains per gallon (180.0 mg/L) — hard on the USGS scale, the range where scale on fixtures and appliances is the usual complaint.
Water softener cost for 10.5 gpg water in Mount Vernon — equipment and local installation labour for your ZIP code, with the sizing arithmetic shown in full. For the national picture first, read what a water softener costs — equipment, installation labour and ten-year ownership, each separated out.
Frequently Asked Questions About Mount Vernon Tap Water
Mount Vernon's water met every enforceable federal limit, but 2 results sit above a health goal. For many substances the EPA sets that goal to zero, so "above the goal" can mean "found at all" — the number that matters is the distance to the enforceable limit, and this page shows both.
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