No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting January 2017.
Serves about 8,239 people (3,018 connections) with surface water from its own intake, and buys water from Tennessee Ridge Water System and Vanleer Water Department.
From EPA's record for TN0000230. PurityMap is independent of Erin Water Department.
Are you this utility? Correct this listing →
2 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Jan–Mar 2017 | Haloacetic acids (HAA5) | 0.061 mg/L | 0.060 mg/L | Resolved |
| Oct–Dec 2016 | Haloacetic acids (HAA5) | 0.065 mg/L | 0.060 mg/L | Resolved |
EPA required this system to test for 30 unregulated and emerging contaminants, from February 2025 to August 2025.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Perfluorobutanoic acid (PFBA) | 8.4 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2025-02-11 to 2025-08-11 | UCMR5 Analytical Results: ERIN WATER DEPARTMENT (TN0000230) |
| 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 | 2025-02-11 to 2025-08-11 | UCMR5 Analytical Results: ERIN WATER DEPARTMENT (TN0000230) |
| 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 | 2025-02-11 to 2025-08-11 | UCMR5 Analytical Results: ERIN WATER DEPARTMENT (TN0000230) |
| 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 | 2025-02-11 to 2025-08-11 | UCMR5 Analytical Results: ERIN WATER DEPARTMENT (TN0000230) |
| 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 | 2025-02-11 to 2025-08-11 | UCMR5 Analytical Results: ERIN WATER DEPARTMENT (TN0000230) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-11 to 2025-08-11 | UCMR5 Analytical Results: ERIN WATER DEPARTMENT (TN0000230) |
| 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 | 2025-02-11 to 2025-08-11 | UCMR5 Analytical Results: ERIN WATER DEPARTMENT (TN0000230) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-11 to 2025-08-11 | UCMR5 Analytical Results: ERIN WATER DEPARTMENT (TN0000230) |
| 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 | 2025-02-11 to 2025-08-11 | UCMR5 Analytical Results: ERIN WATER DEPARTMENT (TN0000230) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-11 to 2025-08-11 | UCMR5 Analytical Results: ERIN WATER DEPARTMENT (TN0000230) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-11 to 2025-08-11 | UCMR5 Analytical Results: ERIN WATER DEPARTMENT (TN0000230) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-11 to 2025-08-11 | UCMR5 Analytical Results: ERIN WATER DEPARTMENT (TN0000230) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-11 to 2025-08-11 | UCMR5 Analytical Results: ERIN WATER DEPARTMENT (TN0000230) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-11 to 2025-08-11 | UCMR5 Analytical Results: ERIN WATER DEPARTMENT (TN0000230) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-11 to 2025-08-11 | UCMR5 Analytical Results: ERIN WATER DEPARTMENT (TN0000230) |
| 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 | 2025-02-11 to 2025-08-11 | UCMR5 Analytical Results: ERIN WATER DEPARTMENT (TN0000230) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-11 to 2025-08-11 | UCMR5 Analytical Results: ERIN WATER DEPARTMENT (TN0000230) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-11 to 2025-08-11 | UCMR5 Analytical Results: ERIN WATER DEPARTMENT (TN0000230) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-11 to 2025-08-11 | UCMR5 Analytical Results: ERIN WATER DEPARTMENT (TN0000230) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-11 to 2025-08-11 | UCMR5 Analytical Results: ERIN WATER DEPARTMENT (TN0000230) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-11 to 2025-08-11 | UCMR5 Analytical Results: ERIN WATER DEPARTMENT (TN0000230) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2025-02-11 to 2025-08-11 | UCMR5 Analytical Results: ERIN WATER DEPARTMENT (TN0000230) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-11 to 2025-08-11 | UCMR5 Analytical Results: ERIN WATER DEPARTMENT (TN0000230) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-11 to 2025-08-11 | UCMR5 Analytical Results: ERIN WATER DEPARTMENT (TN0000230) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-11 to 2025-08-11 | UCMR5 Analytical Results: ERIN WATER DEPARTMENT (TN0000230) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-11 to 2025-08-11 | UCMR5 Analytical Results: ERIN WATER DEPARTMENT (TN0000230) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-11 to 2025-08-11 | UCMR5 Analytical Results: ERIN WATER DEPARTMENT (TN0000230) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-11 to 2025-08-11 | UCMR5 Analytical Results: ERIN WATER DEPARTMENT (TN0000230) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-11 to 2025-08-11 | UCMR5 Analytical Results: ERIN WATER DEPARTMENT (TN0000230) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-11 to 2025-08-11 | UCMR5 Analytical Results: ERIN WATER DEPARTMENT (TN0000230) |
Screening tells you if something is worth a closer look; a lab result is the number you can act on.
As an Amazon Associate, PurityMap earns from qualifying purchases. Affiliate disclosure
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 →Erin Water Department's phone number on EPA record is 931-289-4108. Its mailing address is P.O. BOX 270, ERIN, TN 37061.
According to EPA's record, Erin Water Department uses surface water from its own intake, and buys water from Tennessee Ridge Water System and Vanleer Water Department.
EPA's record shows 2 health-based violations for Erin Water Department 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 2017. EPA also lists 1 missed or late test or report in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Erin Water Department's latest lead and copper round, which ended in December 2025, was 1 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Erin Water Department. Its phone number on EPA record is 931-289-4108. Its mailing address on EPA record is P.O. BOX 270, ERIN, TN 37061. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.