Total trihalomethanes (TTHM) above the legal limit in the period starting January 2026.
Serves about 4,413 people (1,395 connections) with surface water from its own intake.
From EPA's record for MD0070018. PurityMap is independent of Town of Perryville.
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6 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) | 89 µg/L | 0.080 mg/L | Archived |
| Oct–Dec 2025 | Total trihalomethanes (TTHM) | 85 µg/L | 0.080 mg/L | Archived |
| Jul–Sep 2025 | Total trihalomethanes (TTHM) | 87 µg/L | 0.080 mg/L | Archived |
| Apr–Jun 2025 | Total trihalomethanes (TTHM) | 83 µg/L | 0.080 mg/L | Archived |
| From March 2023 | Long Term 2 Enhanced Surface Water Treatment Rule | – | – | Resolved |
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Jul–Sep 2020 | Total trihalomethanes (TTHM) | 82 µg/L | 0.080 mg/L | Resolved |
EPA required this system to test for 30 unregulated and emerging contaminants, from February 2024 to November 2024.
| 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 | 2024-02-14 to 2024-11-20 | UCMR5 Analytical Results: TOWN OF PERRYVILLE (MD0070018) |
| 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 | 2024-02-14 to 2024-11-20 | UCMR5 Analytical Results: TOWN OF PERRYVILLE (MD0070018) |
| 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 | 2024-02-14 to 2024-11-20 | UCMR5 Analytical Results: TOWN OF PERRYVILLE (MD0070018) |
| 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 | 2024-02-14 to 2024-11-20 | UCMR5 Analytical Results: TOWN OF PERRYVILLE (MD0070018) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-14 to 2024-11-20 | UCMR5 Analytical Results: TOWN OF PERRYVILLE (MD0070018) |
| 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 | 2024-02-14 to 2024-11-20 | UCMR5 Analytical Results: TOWN OF PERRYVILLE (MD0070018) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-02-14 to 2024-11-20 | UCMR5 Analytical Results: TOWN OF PERRYVILLE (MD0070018) |
| 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 | 2024-02-14 to 2024-11-20 | UCMR5 Analytical Results: TOWN OF PERRYVILLE (MD0070018) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-14 to 2024-11-20 | UCMR5 Analytical Results: TOWN OF PERRYVILLE (MD0070018) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-14 to 2024-11-20 | UCMR5 Analytical Results: TOWN OF PERRYVILLE (MD0070018) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-14 to 2024-11-20 | UCMR5 Analytical Results: TOWN OF PERRYVILLE (MD0070018) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-14 to 2024-11-20 | UCMR5 Analytical Results: TOWN OF PERRYVILLE (MD0070018) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-14 to 2024-11-20 | UCMR5 Analytical Results: TOWN OF PERRYVILLE (MD0070018) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-14 to 2024-11-20 | UCMR5 Analytical Results: TOWN OF PERRYVILLE (MD0070018) |
| 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 | 2024-02-14 to 2024-11-20 | UCMR5 Analytical Results: TOWN OF PERRYVILLE (MD0070018) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-14 to 2024-11-20 | UCMR5 Analytical Results: TOWN OF PERRYVILLE (MD0070018) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-14 to 2024-11-20 | UCMR5 Analytical Results: TOWN OF PERRYVILLE (MD0070018) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-14 to 2024-11-20 | UCMR5 Analytical Results: TOWN OF PERRYVILLE (MD0070018) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-14 to 2024-11-20 | UCMR5 Analytical Results: TOWN OF PERRYVILLE (MD0070018) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-14 to 2024-11-20 | UCMR5 Analytical Results: TOWN OF PERRYVILLE (MD0070018) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-02-14 to 2024-11-20 | UCMR5 Analytical Results: TOWN OF PERRYVILLE (MD0070018) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2024-02-14 to 2024-11-20 | UCMR5 Analytical Results: TOWN OF PERRYVILLE (MD0070018) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-02-14 to 2024-11-20 | UCMR5 Analytical Results: TOWN OF PERRYVILLE (MD0070018) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-02-14 to 2024-11-20 | UCMR5 Analytical Results: TOWN OF PERRYVILLE (MD0070018) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-02-14 to 2024-11-20 | UCMR5 Analytical Results: TOWN OF PERRYVILLE (MD0070018) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-14 to 2024-11-20 | UCMR5 Analytical Results: TOWN OF PERRYVILLE (MD0070018) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-14 to 2024-11-20 | UCMR5 Analytical Results: TOWN OF PERRYVILLE (MD0070018) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-14 to 2024-11-20 | UCMR5 Analytical Results: TOWN OF PERRYVILLE (MD0070018) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-14 to 2024-11-20 | UCMR5 Analytical Results: TOWN OF PERRYVILLE (MD0070018) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-14 to 2024-11-20 | UCMR5 Analytical Results: TOWN OF PERRYVILLE (MD0070018) |
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 →Town of Perryville's phone number on EPA record is 410-642-6066. Its mailing address is 515 Broad Street, P.O. Box 773, PERRYVILLE, MD 21903.
According to EPA's record, Town of Perryville uses surface water from its own intake.
EPA's record shows 6 health-based violations for Town of Perryville 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 37 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 Town of Perryville's latest lead and copper round, which ended in December 2024. The federal action level is 15 µg/L.
PurityMap has no verified website for Town of Perryville. Its phone number on EPA record is 410-642-6066. Its mailing address on EPA record is 515 Broad Street, P.O. Box 773, PERRYVILLE, MD 21903. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.