No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting July 2022.
Serves about 213 people (110 connections) with surface water bought from Greenville and Ej Water-MCWC.
From EPA's record for IL0054360. PurityMap is independent of Donnellson.
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29 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From December 2025 | Interim Enhanced Surface Water Treatment Rule | – | – | Resolved |
| From November 2025 | Interim Enhanced Surface Water Treatment Rule | – | – | Resolved |
| From October 2025 | Interim Enhanced Surface Water Treatment Rule | – | – | Resolved |
| Jul–Sep 2022 | Total trihalomethanes (TTHM) | 0.094 mg/L | 0.080 mg/L | Resolved |
| Apr–Jun 2022 | Total trihalomethanes (TTHM) | 0.127 mg/L | 0.080 mg/L | Resolved |
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Apr–Jun 2022 | Haloacetic acids (HAA5) | 0.07 mg/L | 0.060 mg/L | Resolved |
| Jan–Mar 2022 | Haloacetic acids (HAA5) | 0.071 mg/L | 0.060 mg/L | Resolved |
| Jan–Mar 2022 | Total trihalomethanes (TTHM) | 0.115 mg/L | 0.080 mg/L | Resolved |
| Oct–Dec 2021 | Haloacetic acids (HAA5) | 0.082 mg/L | 0.060 mg/L | Resolved |
| Oct–Dec 2021 | Total trihalomethanes (TTHM) | 0.137 mg/L | 0.080 mg/L | Resolved |
| Jul–Sep 2021 | Total trihalomethanes (TTHM) | 0.129 mg/L | 0.080 mg/L | Resolved |
| Jul–Sep 2021 | Haloacetic acids (HAA5) | 0.081 mg/L | 0.060 mg/L | Resolved |
| Apr–Jun 2021 | Haloacetic acids (HAA5) | 0.064 mg/L | 0.060 mg/L | Resolved |
| Apr–Jun 2021 | Total trihalomethanes (TTHM) | 0.128 mg/L | 0.080 mg/L | Resolved |
| Jan–Mar 2021 | Total trihalomethanes (TTHM) | 0.132 mg/L | 0.080 mg/L | Resolved |
| Jan–Mar 2021 | Haloacetic acids (HAA5) | 0.073 mg/L | 0.060 mg/L | Resolved |
| Oct–Dec 2020 | Total trihalomethanes (TTHM) | 0.134 mg/L | 0.080 mg/L | Resolved |
| Oct–Dec 2020 | Haloacetic acids (HAA5) | 0.078 mg/L | 0.060 mg/L | Resolved |
| Jul–Sep 2020 | Total trihalomethanes (TTHM) | 0.129 mg/L | 0.080 mg/L | Resolved |
| Jul–Sep 2020 | Haloacetic acids (HAA5) | 0.067 mg/L | 0.060 mg/L | Resolved |
| Apr–Jun 2020 | Total trihalomethanes (TTHM) | 0.103 mg/L | 0.080 mg/L | Resolved |
| Jan–Mar 2020 | Haloacetic acids (HAA5) | 0.064 mg/L | 0.060 mg/L | Resolved |
| Jan–Mar 2020 | Total trihalomethanes (TTHM) | 0.114 mg/L | 0.080 mg/L | Resolved |
| Oct–Dec 2019 | Haloacetic acids (HAA5) | 0.068 mg/L | 0.060 mg/L | Resolved |
| Oct–Dec 2019 | Total trihalomethanes (TTHM) | 0.113 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 →Donnellson's phone number on EPA record is 217-537-3114. Its mailing address is PO Box 73, 407 Jefferson St, DONNELLSON, IL 62019.
According to EPA's record, Donnellson uses surface water bought from Greenville and Ej Water-MCWC.
EPA's record shows 29 health-based violations for Donnellson 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 2022. EPA also lists 29 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
Lead was not detected at the 90th percentile of tap samples in Donnellson's latest lead and copper round, which ended in June 2024. The federal action level is 15 µg/L.
PurityMap has no verified website for Donnellson. Its phone number on EPA record is 217-537-3114. Its mailing address on EPA record is PO Box 73, 407 Jefferson St, DONNELLSON, IL 62019. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.