No health-based violations on EPA record since 2016.
Serves about 3,527 people (1,126 connections) with groundwater from its own wells, and buys water from South Middleton Twp Water Auth.
From EPA's record for PA7210063. PurityMap is independent of Middlesex Twp Muni Auth.
Are you this utility? Correct this listing →
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 May 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 | 2024-05-21 to 2024-11-18 | UCMR5 Analytical Results: MIDDLESEX TWP MUNI AUTH (PA7210063) |
| 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 | 2024-05-21 to 2024-11-18 | UCMR5 Analytical Results: MIDDLESEX TWP MUNI AUTH (PA7210063) |
| 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 | 2024-05-21 to 2024-11-18 | UCMR5 Analytical Results: MIDDLESEX TWP MUNI AUTH (PA7210063) |
| 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 | 2024-05-21 to 2024-11-18 | UCMR5 Analytical Results: MIDDLESEX TWP MUNI AUTH (PA7210063) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-05-21 to 2024-11-18 | UCMR5 Analytical Results: MIDDLESEX TWP MUNI AUTH (PA7210063) |
| 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 | 2024-05-21 to 2024-11-18 | UCMR5 Analytical Results: MIDDLESEX TWP MUNI AUTH (PA7210063) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-05-21 to 2024-11-18 | UCMR5 Analytical Results: MIDDLESEX TWP MUNI AUTH (PA7210063) |
| 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 | 2024-05-21 to 2024-11-18 | UCMR5 Analytical Results: MIDDLESEX TWP MUNI AUTH (PA7210063) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-05-21 to 2024-11-18 | UCMR5 Analytical Results: MIDDLESEX TWP MUNI AUTH (PA7210063) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-05-21 to 2024-11-18 | UCMR5 Analytical Results: MIDDLESEX TWP MUNI AUTH (PA7210063) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-05-21 to 2024-11-18 | UCMR5 Analytical Results: MIDDLESEX TWP MUNI AUTH (PA7210063) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-05-21 to 2024-11-18 | UCMR5 Analytical Results: MIDDLESEX TWP MUNI AUTH (PA7210063) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-05-21 to 2024-11-18 | UCMR5 Analytical Results: MIDDLESEX TWP MUNI AUTH (PA7210063) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-05-21 to 2024-11-18 | UCMR5 Analytical Results: MIDDLESEX TWP MUNI AUTH (PA7210063) |
| 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 | 2024-05-21 to 2024-11-18 | UCMR5 Analytical Results: MIDDLESEX TWP MUNI AUTH (PA7210063) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-05-21 to 2024-11-18 | UCMR5 Analytical Results: MIDDLESEX TWP MUNI AUTH (PA7210063) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-05-21 to 2024-11-18 | UCMR5 Analytical Results: MIDDLESEX TWP MUNI AUTH (PA7210063) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-05-21 to 2024-11-18 | UCMR5 Analytical Results: MIDDLESEX TWP MUNI AUTH (PA7210063) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-05-21 to 2024-11-18 | UCMR5 Analytical Results: MIDDLESEX TWP MUNI AUTH (PA7210063) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-05-21 to 2024-11-18 | UCMR5 Analytical Results: MIDDLESEX TWP MUNI AUTH (PA7210063) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-05-21 to 2024-11-18 | UCMR5 Analytical Results: MIDDLESEX TWP MUNI AUTH (PA7210063) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2024-05-21 to 2024-11-18 | UCMR5 Analytical Results: MIDDLESEX TWP MUNI AUTH (PA7210063) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-05-21 to 2024-11-18 | UCMR5 Analytical Results: MIDDLESEX TWP MUNI AUTH (PA7210063) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-05-21 to 2024-11-18 | UCMR5 Analytical Results: MIDDLESEX TWP MUNI AUTH (PA7210063) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-05-21 to 2024-11-18 | UCMR5 Analytical Results: MIDDLESEX TWP MUNI AUTH (PA7210063) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-05-21 to 2024-11-18 | UCMR5 Analytical Results: MIDDLESEX TWP MUNI AUTH (PA7210063) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-05-21 to 2024-11-18 | UCMR5 Analytical Results: MIDDLESEX TWP MUNI AUTH (PA7210063) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-05-21 to 2024-11-18 | UCMR5 Analytical Results: MIDDLESEX TWP MUNI AUTH (PA7210063) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-05-21 to 2024-11-18 | UCMR5 Analytical Results: MIDDLESEX TWP MUNI AUTH (PA7210063) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-05-21 to 2024-11-18 | UCMR5 Analytical Results: MIDDLESEX TWP MUNI AUTH (PA7210063) |
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 →Middlesex Twp Muni Auth's phone number on EPA record is 717-243-0674. Its mailing address is 350 N MIDDLESEX RD, CARLISLE, PA 17013.
According to EPA's record, Middlesex Twp Muni Auth uses groundwater from its own wells, and buys water from South Middleton Twp Water Auth.
No health-based violations on EPA record since 2016. EPA also lists 44 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Middlesex Twp Muni Auth's latest lead and copper round, which ended in September 2025, was 2.5 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Middlesex Twp Muni Auth. Its phone number on EPA record is 717-243-0674. Its mailing address on EPA record is 350 N MIDDLESEX RD, CARLISLE, PA 17013. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.