No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting January 2023.
Serves about 8,212 people (3,233 connections) with surface water from its own intake, and buys water from Two Rivers Utilities.
From EPA's record for NC0136065. PurityMap is independent of Town of Dallas.
Are you this utility? Correct this listing →
5 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Jan–Mar 2023 | Total trihalomethanes (TTHM) | 0.094 mg/L | 0.080 mg/L | Resolved |
| Oct–Dec 2022 | Total trihalomethanes (TTHM) | 0.107 mg/L | 0.080 mg/L | Resolved |
| Jul–Sep 2022 | Total trihalomethanes (TTHM) | 0.114 mg/L | 0.080 mg/L | Resolved |
| From July 2018 | Surface Water Treatment Rule | – | – | Resolved |
| From July 2018 | Interim Enhanced Surface Water Treatment Rule | – | – | Resolved |
EPA required this system to test for 30 unregulated and emerging contaminants, from February 2023 to December 2023.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Perfluorooctanoic acid (PFOA) | 4.4 ng/L | 4.0 ng/L federal MCL (2024) | Above a historical reference; current applicability unverified | 2023-02-14 to 2023-11-15 | UCMR5 Analytical Results: DALLAS, TOWN OF (NC0136065) |
| Perfluorobutanesulfonic acid (PFBS) | 3.9 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 | 2023-02-14 to 2023-11-15 | UCMR5 Analytical Results: DALLAS, TOWN OF (NC0136065) |
| Perfluorohexanoic acid (PFHxA) | 8.2 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Within a historical reference; current applicability unverified | 2023-02-14 to 2023-11-15 | UCMR5 Analytical Results: DALLAS, TOWN OF (NC0136065) |
| Perfluorobutanoic acid (PFBA) | 7.7 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2023-02-14 to 2023-11-15 | UCMR5 Analytical Results: DALLAS, TOWN OF (NC0136065) |
| Perfluoroheptanoic acid (PFHpA) | 3.1 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2023-02-14 to 2023-11-15 | UCMR5 Analytical Results: DALLAS, TOWN OF (NC0136065) |
| Perfluoropentanoic acid (PFPeA) | 8.5 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2023-02-14 to 2023-11-15 | UCMR5 Analytical Results: DALLAS, TOWN OF (NC0136065) |
| 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 | 2023-02-14 to 2023-11-15 | UCMR5 Analytical Results: DALLAS, TOWN OF (NC0136065) |
| 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 | 2023-02-14 to 2023-11-15 | UCMR5 Analytical Results: DALLAS, TOWN OF (NC0136065) |
| 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 | 2023-02-14 to 2023-11-15 | UCMR5 Analytical Results: DALLAS, TOWN OF (NC0136065) |
| 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 | 2023-02-14 to 2023-11-15 | UCMR5 Analytical Results: DALLAS, TOWN OF (NC0136065) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-14 to 2023-11-15 | UCMR5 Analytical Results: DALLAS, TOWN OF (NC0136065) |
| 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 | 2023-02-14 to 2023-11-15 | UCMR5 Analytical Results: DALLAS, TOWN OF (NC0136065) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-02-14 to 2023-11-15 | UCMR5 Analytical Results: DALLAS, TOWN OF (NC0136065) |
| 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 | 2023-02-14 to 2023-11-15 | UCMR5 Analytical Results: DALLAS, TOWN OF (NC0136065) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-14 to 2023-12-18 | UCMR5 Analytical Results: DALLAS, TOWN OF (NC0136065) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-14 to 2023-12-18 | UCMR5 Analytical Results: DALLAS, TOWN OF (NC0136065) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-14 to 2023-11-15 | UCMR5 Analytical Results: DALLAS, TOWN OF (NC0136065) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-14 to 2023-11-15 | UCMR5 Analytical Results: DALLAS, TOWN OF (NC0136065) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-14 to 2023-11-15 | UCMR5 Analytical Results: DALLAS, TOWN OF (NC0136065) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-14 to 2023-11-15 | UCMR5 Analytical Results: DALLAS, TOWN OF (NC0136065) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-14 to 2023-11-15 | UCMR5 Analytical Results: DALLAS, TOWN OF (NC0136065) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-14 to 2023-11-15 | UCMR5 Analytical Results: DALLAS, TOWN OF (NC0136065) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-14 to 2023-11-15 | UCMR5 Analytical Results: DALLAS, TOWN OF (NC0136065) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-02-14 to 2023-11-15 | UCMR5 Analytical Results: DALLAS, TOWN OF (NC0136065) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-02-14 to 2023-11-15 | UCMR5 Analytical Results: DALLAS, TOWN OF (NC0136065) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-02-14 to 2023-11-15 | UCMR5 Analytical Results: DALLAS, TOWN OF (NC0136065) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-14 to 2023-11-15 | UCMR5 Analytical Results: DALLAS, TOWN OF (NC0136065) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-14 to 2023-12-18 | UCMR5 Analytical Results: DALLAS, TOWN OF (NC0136065) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-14 to 2023-12-18 | UCMR5 Analytical Results: DALLAS, TOWN OF (NC0136065) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-14 to 2023-11-15 | UCMR5 Analytical Results: DALLAS, TOWN OF (NC0136065) |
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 →Town of Dallas's phone number on EPA record is 704-922-1309. Its mailing address is 213 NORTH HOLLAND STREET, DALLAS, NC 28034.
According to EPA's record, Town of Dallas uses surface water from its own intake, and buys water from Two Rivers Utilities.
EPA's record shows 5 health-based violations for Town of Dallas 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 2023. EPA also lists 25 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 Dallas'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 Town of Dallas. Its phone number on EPA record is 704-922-1309. Its mailing address on EPA record is 213 NORTH HOLLAND STREET, DALLAS, NC 28034. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.