No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting July 2019.
Serves about 3,110 people (1,244 connections) with surface water bought from Jacksonville and Murrayville-Woodson Water Commission.
From EPA's record for IL1370030. PurityMap is independent of SMG Water Coop.
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1 health-based violation in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Jul–Sep 2019 | Total trihalomethanes (TTHM) | 0.081 mg/L | 0.080 mg/L | Resolved |
No lab results for other contaminants (like PFAS) are on file for this system. EPA required that testing from systems serving more than 3,300 people, plus a sample of smaller ones.
Screening tells you if something is worth a closer look; a lab result is the number you can act on.
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Screening: quick check, not lab-grade
Safe Home (EnviroTestKits)
Lead, read as one of three ranges: 0–4, 5–15 or 15+ ppb
Turnaround: 5 minutes
What it can't tell you: It shows a lead range, not an exact level, and tests nothing else unless you pay extra for the optional lab test.
Lab-certified results
ETR Laboratories
50+ substances, including lead, copper, arsenic, nitrate, hardness and coliform bacteria
Environmental Testing and Research Laboratories (ETR Labs), Leominster, MA · ISO/IEC 17025:2017, ANAB certificate AT-2638 · 2–4 business days after the lab receives it
What it can't tell you: It does not test PFAS, and not every result on the panel falls under the lab's accredited scope.
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Follow this water →SMG Water Coop's phone number on EPA record is 217-473-5944. Its mailing address is 1410 SELLARS ROAD, WINCHESTER, IL 62694.
According to EPA's record, SMG Water Coop uses surface water bought from Jacksonville and Murrayville-Woodson Water Commission.
EPA's record shows 1 health-based violation for SMG Water Coop in the 10 years to July 9, 2026. No open health-based violations on EPA record in the last 10 years. The latest legal-limit breach on record was in the period starting July 2019. The record comes from EPA's SDWIS compliance database.
Lead was not detected at the 90th percentile of tap samples in SMG Water Coop's latest lead and copper round, which ended in December 2025. The federal action level is 15 µg/L.
PurityMap has no verified website for SMG Water Coop. Its phone number on EPA record is 217-473-5944. Its mailing address on EPA record is 1410 SELLARS ROAD, WINCHESTER, IL 62694. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.