No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting July 2023.
Serves about 1,649 people (856 connections) with surface water from its own intake.
From EPA's record for OK1011101. PurityMap is independent of Comanche Public Works Authority.
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51 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From April 2024 | Carbon, total | 0.89 RATIO | TT | Archived |
| Jul–Sep 2023 | Total trihalomethanes (TTHM) | 0.086 mg/L | 0.080 mg/L | Archived |
| Jul–Sep 2023 | Total trihalomethanes (TTHM) | 0.102 mg/L | 0.080 mg/L | Archived |
| Apr–Jun 2023 | Total trihalomethanes (TTHM) | 0.129 mg/L | 0.080 mg/L | Archived |
| Apr–Jun 2023 | Total trihalomethanes (TTHM) | 0.108 mg/L | 0.080 mg/L | Archived |
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From January 2023 | Carbon, total | 0.87 RATIO | TT | Archived |
| Jan–Mar 2023 | Total trihalomethanes (TTHM) | 0.145 mg/L | 0.080 mg/L | Archived |
| Jan–Mar 2023 | Total trihalomethanes (TTHM) | 0.119 mg/L | 0.080 mg/L | Archived |
| From October 2022 | Carbon, total | 0.88 RATIO | TT | Resolved |
| Oct–Dec 2022 | Total trihalomethanes (TTHM) | 0.12 mg/L | 0.080 mg/L | Archived |
| Oct–Dec 2022 | Total trihalomethanes (TTHM) | 0.149 mg/L | 0.080 mg/L | Resolved |
| Jul–Sep 2022 | Total trihalomethanes (TTHM) | 0.117 mg/L | 0.080 mg/L | Resolved |
| Jul–Sep 2022 | Total trihalomethanes (TTHM) | 0.135 mg/L | 0.080 mg/L | Resolved |
| Apr–Jun 2022 | Total trihalomethanes (TTHM) | 0.112 mg/L | 0.080 mg/L | Resolved |
| Apr–Jun 2022 | Total trihalomethanes (TTHM) | 0.13 mg/L | 0.080 mg/L | Resolved |
| Jan–Mar 2022 | Total trihalomethanes (TTHM) | 0.13 mg/L | 0.080 mg/L | Resolved |
| Jan–Mar 2022 | Total trihalomethanes (TTHM) | 0.107 mg/L | 0.080 mg/L | Resolved |
| Oct–Dec 2021 | Total trihalomethanes (TTHM) | 0.117 mg/L | 0.080 mg/L | Archived |
| Oct–Dec 2021 | Total trihalomethanes (TTHM) | 0.101 mg/L | 0.080 mg/L | Resolved |
| Jul–Sep 2021 | Total trihalomethanes (TTHM) | 0.099 mg/L | 0.080 mg/L | Archived |
| Jul–Sep 2021 | Total trihalomethanes (TTHM) | 0.123 mg/L | 0.080 mg/L | Resolved |
| Apr–Jun 2021 | Total trihalomethanes (TTHM) | 0.093 mg/L | 0.080 mg/L | Archived |
| Apr–Jun 2021 | Total trihalomethanes (TTHM) | 0.112 mg/L | 0.080 mg/L | Resolved |
| From January 2021 | Carbon, total | – | TT | Archived |
| Jan–Mar 2021 | Total trihalomethanes (TTHM) | 0.09 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 →Comanche Public Works Authority's phone number on EPA record is 580-439-8832. Its mailing address is Mr. Dennis Dobbins, Chairman, 500 N. Rodeo Drive, COMANCHE, OK 73529.
According to EPA's record, Comanche Public Works Authority uses surface water from its own intake.
EPA's record shows 51 health-based violations for Comanche Public Works Authority 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 July 2023. EPA also lists 17 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 Comanche Public Works Authority'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 Comanche Public Works Authority. Its phone number on EPA record is 580-439-8832. Its mailing address on EPA record is Mr. Dennis Dobbins, Chairman, 500 N. Rodeo Drive, COMANCHE, OK 73529. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.