No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting October 2024.
Serves about 820 people (328 connections) with groundwater bought from South Jacksonville and Bluffs.
From EPA's record for IL1710010. PurityMap is independent of Exeter-Merritt Water Coop.
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3 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Oct–Dec 2024 | Total trihalomethanes (TTHM) | 0.084 mg/L | 0.080 mg/L | Resolved |
| Jul–Sep 2024 | Total trihalomethanes (TTHM) | 0.116 mg/L | 0.080 mg/L | Resolved |
| Apr–Jun 2024 | Total trihalomethanes (TTHM) | 0.095 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 →Exeter-Merritt Water Coop's phone number on EPA record is 217-742-8559. Its mailing address is 1410 Sellars Road, WINCHESTER, IL 62694.
According to EPA's record, Exeter-Merritt Water Coop uses groundwater bought from South Jacksonville and Bluffs.
EPA's record shows 3 health-based violations for Exeter-Merritt 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 October 2024. EPA also lists 1 missed or late test or report in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Exeter-Merritt Water Coop's latest lead and copper round, which ended in December 2023, was 1.6 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Exeter-Merritt Water Coop. Its phone number on EPA record is 217-742-8559. 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.