Total trihalomethanes (TTHM) above the legal limit in the period starting January 2026.
Serves about 5,608 people (2,243 connections) with surface water bought from Ej Water Cooperative and Gateway Regional Water Company.
From EPA's record for IL0510010. PurityMap is independent of Fayette Water Company.
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7 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Jan–Mar 2026 | Total trihalomethanes (TTHM) | 0.083 mg/L | 0.080 mg/L | Archived |
| Jan–Mar 2026 | Haloacetic acids (HAA5) | 0.069 mg/L | 0.060 mg/L | Archived |
| Oct–Dec 2025 | Haloacetic acids (HAA5) | 0.066 mg/L | 0.060 mg/L | Archived |
| Jul–Sep 2019 | Total trihalomethanes (TTHM) | 0.097 mg/L | 0.080 mg/L | Resolved |
| Apr–Jun 2019 | Total trihalomethanes (TTHM) | 0.092 mg/L | 0.080 mg/L | Resolved |
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Jan–Mar 2019 | Total trihalomethanes (TTHM) | 0.083 mg/L | 0.080 mg/L | Resolved |
| Oct–Dec 2018 | Total trihalomethanes (TTHM) | 0.082 mg/L | 0.080 mg/L | Resolved |
EPA required this system to test for 30 unregulated and emerging contaminants, from March 2023 to June 2025.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-06 to 2025-06-03 | UCMR5 Analytical Results: FAYETTE WATER COMPANY (IL0510010) |
| 1H, 1H, 2H, 2H-perfluorodecane sulfonic acid (8:2 FTS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-06 to 2025-06-03 | UCMR5 Analytical Results: FAYETTE WATER COMPANY (IL0510010) |
| 1H, 1H, 2H, 2H-perfluorohexane sulfonic acid (4:2 FTS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-06 to 2025-06-03 | UCMR5 Analytical Results: FAYETTE WATER COMPANY (IL0510010) |
| 1H, 1H, 2H, 2H-perfluorooctane sulfonic acid (6:2 FTS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-06 to 2025-06-03 | UCMR5 Analytical Results: FAYETTE WATER COMPANY (IL0510010) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-06 to 2025-06-03 | UCMR5 Analytical Results: FAYETTE WATER COMPANY (IL0510010) |
| 9-Chlorohexadecafluoro-3-oxanone-1-sulfonic acid (9Cl-PF3ONS) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-06 to 2025-06-03 | UCMR5 Analytical Results: FAYETTE WATER COMPANY (IL0510010) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-03-06 to 2025-06-03 | UCMR5 Analytical Results: FAYETTE WATER COMPANY (IL0510010) |
| Lithium | < 9 µg/L | 10 µg/L EPA health reference level (screening, not a legal limit)Screening level, not a legal limit | Not detected above the reporting limit | 2023-03-06 to 2025-06-03 | UCMR5 Analytical Results: FAYETTE WATER COMPANY (IL0510010) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-06 to 2025-06-03 | UCMR5 Analytical Results: FAYETTE WATER COMPANY (IL0510010) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-06 to 2025-06-03 | UCMR5 Analytical Results: FAYETTE WATER COMPANY (IL0510010) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-06 to 2025-06-03 | UCMR5 Analytical Results: FAYETTE WATER COMPANY (IL0510010) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-06 to 2025-06-03 | UCMR5 Analytical Results: FAYETTE WATER COMPANY (IL0510010) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-06 to 2025-06-03 | UCMR5 Analytical Results: FAYETTE WATER COMPANY (IL0510010) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-06 to 2025-06-03 | UCMR5 Analytical Results: FAYETTE WATER COMPANY (IL0510010) |
| Perfluorobutanesulfonic acid (PFBS) | < 3 ng/L | 2,000 ng/L EPA health advisory (screening, not a legal limit)Screening level, not a legal limit | Not detected above the reporting limit | 2023-03-06 to 2025-06-03 | UCMR5 Analytical Results: FAYETTE WATER COMPANY (IL0510010) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-06 to 2025-06-03 | UCMR5 Analytical Results: FAYETTE WATER COMPANY (IL0510010) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-06 to 2025-06-03 | UCMR5 Analytical Results: FAYETTE WATER COMPANY (IL0510010) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-06 to 2025-06-03 | UCMR5 Analytical Results: FAYETTE WATER COMPANY (IL0510010) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-06 to 2025-06-03 | UCMR5 Analytical Results: FAYETTE WATER COMPANY (IL0510010) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-06 to 2025-06-03 | UCMR5 Analytical Results: FAYETTE WATER COMPANY (IL0510010) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-03-06 to 2025-06-03 | UCMR5 Analytical Results: FAYETTE WATER COMPANY (IL0510010) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2023-03-06 to 2025-06-03 | UCMR5 Analytical Results: FAYETTE WATER COMPANY (IL0510010) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-03-06 to 2025-06-03 | UCMR5 Analytical Results: FAYETTE WATER COMPANY (IL0510010) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-03-06 to 2025-06-03 | UCMR5 Analytical Results: FAYETTE WATER COMPANY (IL0510010) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-03-06 to 2025-06-03 | UCMR5 Analytical Results: FAYETTE WATER COMPANY (IL0510010) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-06 to 2025-06-03 | UCMR5 Analytical Results: FAYETTE WATER COMPANY (IL0510010) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-06 to 2025-06-03 | UCMR5 Analytical Results: FAYETTE WATER COMPANY (IL0510010) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-06 to 2025-06-03 | UCMR5 Analytical Results: FAYETTE WATER COMPANY (IL0510010) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-06 to 2025-06-03 | UCMR5 Analytical Results: FAYETTE WATER COMPANY (IL0510010) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-06 to 2025-06-03 | UCMR5 Analytical Results: FAYETTE WATER COMPANY (IL0510010) |
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 →Fayette Water Company's phone number on EPA record is 618-427-3000. Its mailing address is FAYETTE WATER COMPANY, 1745 N. 1615 ST., BROWNSTOWN, IL 62418.
According to EPA's record, Fayette Water Company uses surface water bought from Ej Water Cooperative and Gateway Regional Water Company.
EPA's record shows 7 health-based violations for Fayette Water Company in the 10 years to July 9, 2026. Total trihalomethanes (TTHM) were above the legal limit in the period starting January 2026. EPA also lists 7 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 Fayette Water Company'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 Fayette Water Company. Its phone number on EPA record is 618-427-3000. Its mailing address on EPA record is FAYETTE WATER COMPANY, 1745 N. 1615 ST., BROWNSTOWN, IL 62418. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.