Total trihalomethanes (TTHM) above the legal limit in the period starting January 2026.
Serves about 3,000 people (1,573 connections) with surface water from its own intake.
From EPA's record for AZ0414022. PurityMap is independent of Town of Wellton.
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56 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) | 0.098 mg/L | 0.080 mg/L | Archived |
| From October 2025 | Carbon, total | 0.72 RATIO | TT | Archived |
| Oct–Dec 2025 | Total trihalomethanes (TTHM) | 0.099 mg/L | 0.080 mg/L | Archived |
| From September 2025 | Interim Enhanced Surface Water Treatment Rule | – | – | Resolved |
| Jul–Sep 2025 | Total trihalomethanes (TTHM) | 0.081 mg/L | 0.080 mg/L | Archived |
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From July 2025 | Carbon, total | 0.18 RATIO | TT | Archived |
| From May 2025 | Interim Enhanced Surface Water Treatment Rule | – | – | Resolved |
| From May 2025 | Interim Enhanced Surface Water Treatment Rule | – | – | Resolved |
| Apr–Jun 2025 | Total trihalomethanes (TTHM) | 0.081 mg/L | 0.080 mg/L | Archived |
| From April 2025 | Carbon, total | 0.05 RATIO | TT | Archived |
| From January 2025 | Carbon, total | 0.11 RATIO | TT | Archived |
| From October 2024 | Lead and copper rule revisions | – | – | Resolved |
| Oct–Dec 2024 | Total trihalomethanes (TTHM) | 0.082 mg/L | 0.080 mg/L | Archived |
| From September 2024 | Interim Enhanced Surface Water Treatment Rule | – | – | Resolved |
| From August 2024 | Interim Enhanced Surface Water Treatment Rule | – | – | Resolved |
| Jul–Sep 2024 | Total trihalomethanes (TTHM) | 0.097 mg/L | 0.080 mg/L | Archived |
| From July 2024 | Interim Enhanced Surface Water Treatment Rule | – | – | Resolved |
| From June 2024 | Interim Enhanced Surface Water Treatment Rule | – | – | Resolved |
| Apr–Jun 2024 | Total trihalomethanes (TTHM) | 0.095 mg/L | 0.080 mg/L | Archived |
| Jan–Mar 2024 | Total trihalomethanes (TTHM) | 0.102 mg/L | 0.080 mg/L | Archived |
| Oct–Dec 2023 | Total trihalomethanes (TTHM) | 0.096 mg/L | 0.080 mg/L | Archived |
| Jul–Sep 2023 | Total trihalomethanes (TTHM) | 0.104 mg/L | 0.080 mg/L | Archived |
| From July 2023 | Interim Enhanced Surface Water Treatment Rule | – | – | Resolved |
| Apr–Jun 2023 | Total trihalomethanes (TTHM) | 0.085 mg/L | 0.080 mg/L | Archived |
| Jan–Mar 2023 | Total trihalomethanes (TTHM) | 0.121 mg/L | 0.080 mg/L | Archived |
No lab results for other contaminants (like PFAS) are on file for this system. EPA required that testing from systems serving more than 3,300 people, plus a sample of smaller ones.
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 Wellton's phone number on EPA record is 928-785-3348. Its mailing address is PO BOX 67, WELLTON, AZ 85356.
According to EPA's record, Town of Wellton uses surface water from its own intake.
EPA's record shows 56 health-based violations for Town of Wellton 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 172 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Town of Wellton's latest lead and copper round, which ended in December 2025, was 0.52 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Town of Wellton. Its phone number on EPA record is 928-785-3348. Its mailing address on EPA record is PO BOX 67, WELLTON, AZ 85356. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.