No health-based violations on EPA record since 2016.
Serves about 3,980 people (1,500 connections) with surface water bought from North Marshall Water District #1, Crittenden-Livingston Co Water District and Ledbetter Water District.
From EPA's record for KY0700162. PurityMap is independent of Grand Rivers Water System.
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No health-based violations in the last 10 years, from EPA's SDWIS compliance database.
EPA required this system to test for 30 unregulated and emerging contaminants, from February 2024 to November 2024.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Perfluorooctanesulfonic acid (PFOS) | 5.2 ng/L | 4.0 ng/L federal MCL (2024) | Above a historical reference; current applicability unverified | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: GRAND RIVERS WATER SYSTEM (KY0700162) |
| Perfluorobutanoic acid (PFBA) | 6 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: GRAND RIVERS WATER SYSTEM (KY0700162) |
| 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 | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: GRAND RIVERS WATER SYSTEM (KY0700162) |
| 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 | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: GRAND RIVERS WATER SYSTEM (KY0700162) |
| 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 | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: GRAND RIVERS WATER SYSTEM (KY0700162) |
| 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 | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: GRAND RIVERS WATER SYSTEM (KY0700162) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: GRAND RIVERS WATER SYSTEM (KY0700162) |
| 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 | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: GRAND RIVERS WATER SYSTEM (KY0700162) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: GRAND RIVERS WATER SYSTEM (KY0700162) |
| 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 | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: GRAND RIVERS WATER SYSTEM (KY0700162) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: GRAND RIVERS WATER SYSTEM (KY0700162) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: GRAND RIVERS WATER SYSTEM (KY0700162) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: GRAND RIVERS WATER SYSTEM (KY0700162) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: GRAND RIVERS WATER SYSTEM (KY0700162) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: GRAND RIVERS WATER SYSTEM (KY0700162) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: GRAND RIVERS WATER SYSTEM (KY0700162) |
| 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 | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: GRAND RIVERS WATER SYSTEM (KY0700162) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: GRAND RIVERS WATER SYSTEM (KY0700162) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: GRAND RIVERS WATER SYSTEM (KY0700162) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: GRAND RIVERS WATER SYSTEM (KY0700162) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: GRAND RIVERS WATER SYSTEM (KY0700162) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: GRAND RIVERS WATER SYSTEM (KY0700162) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: GRAND RIVERS WATER SYSTEM (KY0700162) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: GRAND RIVERS WATER SYSTEM (KY0700162) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: GRAND RIVERS WATER SYSTEM (KY0700162) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: GRAND RIVERS WATER SYSTEM (KY0700162) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: GRAND RIVERS WATER SYSTEM (KY0700162) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: GRAND RIVERS WATER SYSTEM (KY0700162) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: GRAND RIVERS WATER SYSTEM (KY0700162) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: GRAND RIVERS WATER SYSTEM (KY0700162) |
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 →Grand Rivers Water System's phone number on EPA record is 270-362-8272. Its mailing address is PO BOX 265, GRAND RIVERS, KY 42045.
According to EPA's record, Grand Rivers Water System uses surface water bought from North Marshall Water District #1, Crittenden-Livingston Co Water District and Ledbetter Water District.
No health-based violations on EPA record since 2016. EPA also lists 2 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 Grand Rivers Water System'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 Grand Rivers Water System. Its phone number on EPA record is 270-362-8272. Its mailing address on EPA record is PO BOX 265, GRAND RIVERS, KY 42045. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.