No open health-based violations on EPA record in the last 10 years.
Serves about 6,328 people (1,885 connections) with surface water bought from Chester Water Authority.
From EPA's record for PA1150108. PurityMap is independent of Kennett Square Mun Water Works.
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 |
|---|---|---|---|---|
| From August 2020 | Groundwater Rule | – | – | Resolved |
| From June 2020 | Groundwater Rule | – | – | Resolved |
EPA required this system to test for 30 unregulated and emerging contaminants, from January 2023 to January 2024.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Perfluorooctanoic acid (PFOA) | 17.7 ng/L | 4.0 ng/L federal MCL (2024) | Above a historical reference; current applicability unverified | 2023-01-18 to 2023-10-11 | UCMR5 Analytical Results: KENNETT SQUARE MUN WATER WORKS (PA1150108) |
| Perfluorooctanesulfonic acid (PFOS) | 14.4 ng/L | 4.0 ng/L federal MCL (2024) | Above a historical reference; current applicability unverified | 2023-01-18 to 2023-10-11 | UCMR5 Analytical Results: KENNETT SQUARE MUN WATER WORKS (PA1150108) |
| Perfluorohexanesulfonic acid (PFHxS) | 4.2 ng/L | 10 ng/L federal MCL (2024) | Within a historical reference; current applicability unverified | 2023-01-18 to 2023-10-11 | UCMR5 Analytical Results: KENNETT SQUARE MUN WATER WORKS (PA1150108) |
| Perfluorobutanesulfonic acid (PFBS) | 4.5 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 | 2023-01-18 to 2023-10-11 | UCMR5 Analytical Results: KENNETT SQUARE MUN WATER WORKS (PA1150108) |
| Perfluorohexanoic acid (PFHxA) | 11.4 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Within a historical reference; current applicability unverified | 2023-01-18 to 2023-10-11 | UCMR5 Analytical Results: KENNETT SQUARE MUN WATER WORKS (PA1150108) |
| Perfluorobutanoic acid (PFBA) | 18.9 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2023-01-18 to 2023-10-11 | UCMR5 Analytical Results: KENNETT SQUARE MUN WATER WORKS (PA1150108) |
| Perfluoroheptanoic acid (PFHpA) | 7.8 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2023-01-18 to 2023-10-11 | UCMR5 Analytical Results: KENNETT SQUARE MUN WATER WORKS (PA1150108) |
| Perfluoropentanoic acid (PFPeA) | 12.6 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2023-01-18 to 2023-10-11 | UCMR5 Analytical Results: KENNETT SQUARE MUN WATER WORKS (PA1150108) |
| 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 | 2023-01-18 to 2023-10-11 | UCMR5 Analytical Results: KENNETT SQUARE MUN WATER WORKS (PA1150108) |
| 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 | 2023-01-18 to 2023-10-11 | UCMR5 Analytical Results: KENNETT SQUARE MUN WATER WORKS (PA1150108) |
| 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 | 2023-01-18 to 2023-10-11 | UCMR5 Analytical Results: KENNETT SQUARE MUN WATER WORKS (PA1150108) |
| 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 | 2023-01-18 to 2023-10-11 | UCMR5 Analytical Results: KENNETT SQUARE MUN WATER WORKS (PA1150108) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-18 to 2023-10-11 | UCMR5 Analytical Results: KENNETT SQUARE MUN WATER WORKS (PA1150108) |
| 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 | 2023-01-18 to 2023-10-11 | UCMR5 Analytical Results: KENNETT SQUARE MUN WATER WORKS (PA1150108) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-01-18 to 2023-10-11 | UCMR5 Analytical Results: KENNETT SQUARE MUN WATER WORKS (PA1150108) |
| 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 | 2023-01-18 to 2023-10-11 | UCMR5 Analytical Results: KENNETT SQUARE MUN WATER WORKS (PA1150108) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-18 to 2024-01-29 | UCMR5 Analytical Results: KENNETT SQUARE MUN WATER WORKS (PA1150108) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-18 to 2024-01-29 | UCMR5 Analytical Results: KENNETT SQUARE MUN WATER WORKS (PA1150108) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-18 to 2023-10-11 | UCMR5 Analytical Results: KENNETT SQUARE MUN WATER WORKS (PA1150108) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-18 to 2023-10-11 | UCMR5 Analytical Results: KENNETT SQUARE MUN WATER WORKS (PA1150108) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-18 to 2023-10-11 | UCMR5 Analytical Results: KENNETT SQUARE MUN WATER WORKS (PA1150108) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-18 to 2023-10-11 | UCMR5 Analytical Results: KENNETT SQUARE MUN WATER WORKS (PA1150108) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-18 to 2023-10-11 | UCMR5 Analytical Results: KENNETT SQUARE MUN WATER WORKS (PA1150108) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-18 to 2023-10-11 | UCMR5 Analytical Results: KENNETT SQUARE MUN WATER WORKS (PA1150108) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-18 to 2023-10-11 | UCMR5 Analytical Results: KENNETT SQUARE MUN WATER WORKS (PA1150108) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-01-18 to 2023-10-11 | UCMR5 Analytical Results: KENNETT SQUARE MUN WATER WORKS (PA1150108) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-18 to 2023-10-11 | UCMR5 Analytical Results: KENNETT SQUARE MUN WATER WORKS (PA1150108) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-18 to 2024-01-29 | UCMR5 Analytical Results: KENNETT SQUARE MUN WATER WORKS (PA1150108) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-18 to 2024-01-29 | UCMR5 Analytical Results: KENNETT SQUARE MUN WATER WORKS (PA1150108) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-18 to 2023-10-11 | UCMR5 Analytical Results: KENNETT SQUARE MUN WATER WORKS (PA1150108) |
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 →Kennett Square Mun Water Works's phone number on EPA record is 610-444-6020. Its mailing address is 600 S BROAD ST STE 110, KENNETT SQUARE, PA 19348.
According to EPA's record, Kennett Square Mun Water Works uses surface water bought from Chester Water Authority.
EPA's record shows 2 health-based violations for Kennett Square Mun Water Works in the 10 years to July 9, 2026. No open health-based violations on EPA record in the last 10 years. EPA also lists 142 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 Kennett Square Mun Water Works's latest lead and copper round, which ended in September 2025. The federal action level is 15 µg/L.
PurityMap has no verified website for Kennett Square Mun Water Works. Its phone number on EPA record is 610-444-6020. Its mailing address on EPA record is 600 S BROAD ST STE 110, KENNETT SQUARE, PA 19348. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.