No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting January 2023.
Serves about 6,290 people (2,516 connections) with groundwater bought from Millstone PWD and Southwater Inc.
From EPA's record for IL1275050. PurityMap is independent of Fort Massac PWD.
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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 |
|---|---|---|---|---|
| From January 2023 | Arsenic | 11 µg/L | 0.010 mg/L | Resolved |
EPA required this system to test for 30 unregulated and emerging contaminants, from January 2023 to July 2023.
| 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 | 2023-01-09 to 2023-07-10 | UCMR5 Analytical Results: FORT MASSAC PWD (IL1275050) |
| 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 | 2023-01-09 to 2023-07-10 | UCMR5 Analytical Results: FORT MASSAC PWD (IL1275050) |
| 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 | 2023-01-09 to 2023-07-10 | UCMR5 Analytical Results: FORT MASSAC PWD (IL1275050) |
| 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 | 2023-01-09 to 2023-07-10 | UCMR5 Analytical Results: FORT MASSAC PWD (IL1275050) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-09 to 2023-07-10 | UCMR5 Analytical Results: FORT MASSAC PWD (IL1275050) |
| 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 | 2023-01-09 to 2023-07-10 | UCMR5 Analytical Results: FORT MASSAC PWD (IL1275050) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-01-09 to 2023-07-10 | UCMR5 Analytical Results: FORT MASSAC PWD (IL1275050) |
| 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 | 2023-01-09 to 2023-07-10 | UCMR5 Analytical Results: FORT MASSAC PWD (IL1275050) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-09 to 2023-07-10 | UCMR5 Analytical Results: FORT MASSAC PWD (IL1275050) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-09 to 2023-07-10 | UCMR5 Analytical Results: FORT MASSAC PWD (IL1275050) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-09 to 2023-07-10 | UCMR5 Analytical Results: FORT MASSAC PWD (IL1275050) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-09 to 2023-07-10 | UCMR5 Analytical Results: FORT MASSAC PWD (IL1275050) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-09 to 2023-07-10 | UCMR5 Analytical Results: FORT MASSAC PWD (IL1275050) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-09 to 2023-07-10 | UCMR5 Analytical Results: FORT MASSAC PWD (IL1275050) |
| 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 | 2023-01-09 to 2023-07-10 | UCMR5 Analytical Results: FORT MASSAC PWD (IL1275050) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-09 to 2023-07-10 | UCMR5 Analytical Results: FORT MASSAC PWD (IL1275050) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-09 to 2023-07-10 | UCMR5 Analytical Results: FORT MASSAC PWD (IL1275050) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-09 to 2023-07-10 | UCMR5 Analytical Results: FORT MASSAC PWD (IL1275050) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-09 to 2023-07-10 | UCMR5 Analytical Results: FORT MASSAC PWD (IL1275050) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-09 to 2023-07-10 | UCMR5 Analytical Results: FORT MASSAC PWD (IL1275050) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-01-09 to 2023-07-10 | UCMR5 Analytical Results: FORT MASSAC PWD (IL1275050) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2023-01-09 to 2023-07-10 | UCMR5 Analytical Results: FORT MASSAC PWD (IL1275050) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-01-09 to 2023-07-10 | UCMR5 Analytical Results: FORT MASSAC PWD (IL1275050) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-01-09 to 2023-07-10 | UCMR5 Analytical Results: FORT MASSAC PWD (IL1275050) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-01-09 to 2023-07-10 | UCMR5 Analytical Results: FORT MASSAC PWD (IL1275050) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-09 to 2023-07-10 | UCMR5 Analytical Results: FORT MASSAC PWD (IL1275050) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-09 to 2023-07-10 | UCMR5 Analytical Results: FORT MASSAC PWD (IL1275050) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-09 to 2023-07-10 | UCMR5 Analytical Results: FORT MASSAC PWD (IL1275050) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-09 to 2023-07-10 | UCMR5 Analytical Results: FORT MASSAC PWD (IL1275050) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-09 to 2023-07-10 | UCMR5 Analytical Results: FORT MASSAC PWD (IL1275050) |
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.
Get PurityMap updates about this water system.
Follow this water →Fort Massac PWD's phone number on EPA record is 618-543-7475. Its mailing address is FORT MASSAC WATER DISTRICT, P.O. BOX 491, METROPOLIS, IL 62960.
According to EPA's record, Fort Massac PWD uses groundwater bought from Millstone PWD and Southwater Inc.
EPA's record shows 1 health-based violation for Fort Massac PWD 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 January 2023. EPA also lists 1 missed or late test or report in 10 years. The record comes from EPA's SDWIS compliance database.
Lead was not detected at the 90th percentile of tap samples in Fort Massac PWD'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 Fort Massac PWD. Its phone number on EPA record is 618-543-7475. Its mailing address on EPA record is FORT MASSAC WATER DISTRICT, P.O. BOX 491, METROPOLIS, IL 62960. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.