No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting April 2024.
Serves about 1,578 people (631 connections) with surface water bought from Fairfield.
From EPA's record for IL1910020. PurityMap is independent of Jasper Waterworks Corporation.
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5 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From October 2025 | Carbon, total | 0.97 RATIO | TT | Archived |
| Apr–Jun 2024 | Total trihalomethanes (TTHM) | 0.089 mg/L | 0.080 mg/L | Resolved |
| Jan–Mar 2024 | Total trihalomethanes (TTHM) | 0.108 mg/L | 0.080 mg/L | Resolved |
| Oct–Dec 2023 | Total trihalomethanes (TTHM) | 0.11 mg/L | 0.080 mg/L | Resolved |
| Jul–Sep 2023 | 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 →Jasper Waterworks Corporation's phone number on EPA record is 618-842-2666. Its mailing address is 115 NORTHEAST 3rd STREET, FAIRFIELD, IL 62837.
According to EPA's record, Jasper Waterworks Corporation uses surface water bought from Fairfield.
EPA's record shows 5 health-based violations for Jasper Waterworks Corporation 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 April 2024. The record comes from EPA's SDWIS compliance database.
Lead was not detected at the 90th percentile of tap samples in Jasper Waterworks Corporation'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 Jasper Waterworks Corporation. Its phone number on EPA record is 618-842-2666. Its mailing address on EPA record is 115 NORTHEAST 3rd STREET, FAIRFIELD, IL 62837. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.