No open health-based violations on EPA record in the last 10 years.
Serves about 3,463 people (1,449 connections) with groundwater bought from Mcmechen Municipal Water.
From EPA's record for WV3302606. PurityMap is independent of Marshall County PSD 1.
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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 September 2019 | Groundwater Rule | – | – | Resolved |
EPA required this system to test for 30 unregulated and emerging contaminants, in June 2025.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Perfluorohexanesulfonic acid (PFHxS) | 4 ng/L | 10 ng/L federal MCL (2024) | Within a historical reference; current applicability unverified | 2025-06-30 | UCMR5 Analytical Results: MARSHALL COUNTY PSD 1 (WV3302606) |
| Perfluorobutanesulfonic acid (PFBS) | 3.7 ng/L | 2,000 ng/L EPA health advisory (screening, not a legal limit)Screening level, not a legal limit | Within the referenced health-based guidance value | 2025-06-30 | UCMR5 Analytical Results: MARSHALL COUNTY PSD 1 (WV3302606) |
| 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 | 2025-06-30 | UCMR5 Analytical Results: MARSHALL COUNTY PSD 1 (WV3302606) |
| 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 | 2025-06-30 | UCMR5 Analytical Results: MARSHALL COUNTY PSD 1 (WV3302606) |
| 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 | 2025-06-30 | UCMR5 Analytical Results: MARSHALL COUNTY PSD 1 (WV3302606) |
| 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 | 2025-06-30 | UCMR5 Analytical Results: MARSHALL COUNTY PSD 1 (WV3302606) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-06-30 | UCMR5 Analytical Results: MARSHALL COUNTY PSD 1 (WV3302606) |
| 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 | 2025-06-30 | UCMR5 Analytical Results: MARSHALL COUNTY PSD 1 (WV3302606) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-06-30 | UCMR5 Analytical Results: MARSHALL COUNTY PSD 1 (WV3302606) |
| 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 | 2025-06-30 | UCMR5 Analytical Results: MARSHALL COUNTY PSD 1 (WV3302606) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-06-30 | UCMR5 Analytical Results: MARSHALL COUNTY PSD 1 (WV3302606) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-06-30 | UCMR5 Analytical Results: MARSHALL COUNTY PSD 1 (WV3302606) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-06-30 | UCMR5 Analytical Results: MARSHALL COUNTY PSD 1 (WV3302606) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-06-30 | UCMR5 Analytical Results: MARSHALL COUNTY PSD 1 (WV3302606) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-06-30 | UCMR5 Analytical Results: MARSHALL COUNTY PSD 1 (WV3302606) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-06-30 | UCMR5 Analytical Results: MARSHALL COUNTY PSD 1 (WV3302606) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-06-30 | UCMR5 Analytical Results: MARSHALL COUNTY PSD 1 (WV3302606) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-06-30 | UCMR5 Analytical Results: MARSHALL COUNTY PSD 1 (WV3302606) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-06-30 | UCMR5 Analytical Results: MARSHALL COUNTY PSD 1 (WV3302606) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-06-30 | UCMR5 Analytical Results: MARSHALL COUNTY PSD 1 (WV3302606) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-06-30 | UCMR5 Analytical Results: MARSHALL COUNTY PSD 1 (WV3302606) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2025-06-30 | UCMR5 Analytical Results: MARSHALL COUNTY PSD 1 (WV3302606) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-06-30 | UCMR5 Analytical Results: MARSHALL COUNTY PSD 1 (WV3302606) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-06-30 | UCMR5 Analytical Results: MARSHALL COUNTY PSD 1 (WV3302606) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-06-30 | UCMR5 Analytical Results: MARSHALL COUNTY PSD 1 (WV3302606) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-06-30 | UCMR5 Analytical Results: MARSHALL COUNTY PSD 1 (WV3302606) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-06-30 | UCMR5 Analytical Results: MARSHALL COUNTY PSD 1 (WV3302606) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-06-30 | UCMR5 Analytical Results: MARSHALL COUNTY PSD 1 (WV3302606) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-06-30 | UCMR5 Analytical Results: MARSHALL COUNTY PSD 1 (WV3302606) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-06-30 | UCMR5 Analytical Results: MARSHALL COUNTY PSD 1 (WV3302606) |
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 →Marshall County PSD 1's phone number on EPA record is 304-242-0746. Its mailing address is 3537 FAIRMONT PIKE, WHEELING, WV 26003.
According to EPA's record, Marshall County PSD 1 uses groundwater bought from Mcmechen Municipal Water.
EPA's record shows 1 health-based violation for Marshall County PSD 1 in the 10 years to July 9, 2026. No open health-based violations on EPA record in the last 10 years. EPA also lists 12 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 Marshall County PSD 1'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 Marshall County PSD 1. Its phone number on EPA record is 304-242-0746. Its mailing address on EPA record is 3537 FAIRMONT PIKE, WHEELING, WV 26003. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.