Total trihalomethanes (TTHM) above the legal limit in the period starting October 2025.
Serves about 4,617 people (787 connections) with surface water bought from Altus.
From EPA's record for OK3003303. PurityMap is independent of Altus AFB.
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16 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Oct–Dec 2025 | Total trihalomethanes (TTHM) | 0.091 mg/L | 0.080 mg/L | Archived |
| Oct–Dec 2025 | Total trihalomethanes (TTHM) | 0.09 mg/L | 0.080 mg/L | Archived |
| Jul–Sep 2025 | Total trihalomethanes (TTHM) | 0.104 mg/L | 0.080 mg/L | Archived |
| Jul–Sep 2025 | Total trihalomethanes (TTHM) | 0.093 mg/L | 0.080 mg/L | Archived |
| Apr–Jun 2025 | Total trihalomethanes (TTHM) | 0.092 mg/L | 0.080 mg/L | Archived |
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Apr–Jun 2025 | Total trihalomethanes (TTHM) | 0.104 mg/L | 0.080 mg/L | Archived |
| Jan–Mar 2025 | Total trihalomethanes (TTHM) | 0.119 mg/L | 0.080 mg/L | Archived |
| Jan–Mar 2025 | Total trihalomethanes (TTHM) | 0.134 mg/L | 0.080 mg/L | Archived |
| Oct–Dec 2024 | Total trihalomethanes (TTHM) | 0.119 mg/L | 0.080 mg/L | Archived |
| Oct–Dec 2024 | Total trihalomethanes (TTHM) | 0.133 mg/L | 0.080 mg/L | Archived |
| Jul–Sep 2024 | Total trihalomethanes (TTHM) | 0.124 mg/L | 0.080 mg/L | Archived |
| Jul–Sep 2024 | Total trihalomethanes (TTHM) | 0.123 mg/L | 0.080 mg/L | Archived |
| Apr–Jun 2024 | Total trihalomethanes (TTHM) | 0.108 mg/L | 0.080 mg/L | Archived |
| Apr–Jun 2024 | Total trihalomethanes (TTHM) | 0.114 mg/L | 0.080 mg/L | Archived |
| Jan–Mar 2024 | Total trihalomethanes (TTHM) | 0.081 mg/L | 0.080 mg/L | Archived |
| Oct–Dec 2016 | Total trihalomethanes (TTHM) | 0.086 mg/L | 0.080 mg/L | Resolved |
EPA required this system to test for 30 unregulated and emerging contaminants, from February 2023 to November 2023.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Perfluorobutanoic acid (PFBA) | 5.9 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2023-02-22 to 2023-11-14 | UCMR5 Analytical Results: ALTUS AFB (OK3003303) |
| 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 | 2023-02-22 to 2023-11-14 | UCMR5 Analytical Results: ALTUS AFB (OK3003303) |
| 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 | 2023-02-22 to 2023-11-14 | UCMR5 Analytical Results: ALTUS AFB (OK3003303) |
| 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 | 2023-02-22 to 2023-11-14 | UCMR5 Analytical Results: ALTUS AFB (OK3003303) |
| 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 | 2023-02-22 to 2023-11-14 | UCMR5 Analytical Results: ALTUS AFB (OK3003303) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-22 to 2023-11-14 | UCMR5 Analytical Results: ALTUS AFB (OK3003303) |
| 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 | 2023-02-22 to 2023-11-14 | UCMR5 Analytical Results: ALTUS AFB (OK3003303) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-02-22 to 2023-11-14 | UCMR5 Analytical Results: ALTUS AFB (OK3003303) |
| 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 | 2023-02-22 to 2023-11-14 | UCMR5 Analytical Results: ALTUS AFB (OK3003303) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-22 to 2023-11-14 | UCMR5 Analytical Results: ALTUS AFB (OK3003303) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-22 to 2023-11-14 | UCMR5 Analytical Results: ALTUS AFB (OK3003303) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-22 to 2023-11-14 | UCMR5 Analytical Results: ALTUS AFB (OK3003303) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-22 to 2023-11-14 | UCMR5 Analytical Results: ALTUS AFB (OK3003303) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-22 to 2023-11-14 | UCMR5 Analytical Results: ALTUS AFB (OK3003303) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-22 to 2023-11-14 | UCMR5 Analytical Results: ALTUS AFB (OK3003303) |
| 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 | 2023-02-22 to 2023-11-14 | UCMR5 Analytical Results: ALTUS AFB (OK3003303) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-22 to 2023-11-14 | UCMR5 Analytical Results: ALTUS AFB (OK3003303) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-22 to 2023-11-14 | UCMR5 Analytical Results: ALTUS AFB (OK3003303) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-22 to 2023-11-14 | UCMR5 Analytical Results: ALTUS AFB (OK3003303) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-22 to 2023-11-14 | UCMR5 Analytical Results: ALTUS AFB (OK3003303) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-02-22 to 2023-11-14 | UCMR5 Analytical Results: ALTUS AFB (OK3003303) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2023-02-22 to 2023-11-14 | UCMR5 Analytical Results: ALTUS AFB (OK3003303) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-02-22 to 2023-11-14 | UCMR5 Analytical Results: ALTUS AFB (OK3003303) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-02-22 to 2023-11-14 | UCMR5 Analytical Results: ALTUS AFB (OK3003303) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-02-22 to 2023-11-14 | UCMR5 Analytical Results: ALTUS AFB (OK3003303) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-22 to 2023-11-14 | UCMR5 Analytical Results: ALTUS AFB (OK3003303) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-22 to 2023-11-14 | UCMR5 Analytical Results: ALTUS AFB (OK3003303) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-22 to 2023-11-14 | UCMR5 Analytical Results: ALTUS AFB (OK3003303) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-22 to 2023-11-14 | UCMR5 Analytical Results: ALTUS AFB (OK3003303) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-22 to 2023-11-14 | UCMR5 Analytical Results: ALTUS AFB (OK3003303) |
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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 →Altus AFB's phone number on EPA record is 580-481-5494. Its mailing address is COL Jeffery Marshall, Cmdr, 97thAirMobWi, 301 N 1st St., ALTUS, OK 73523.
According to EPA's record, Altus AFB uses surface water bought from Altus.
EPA's record shows 16 health-based violations for Altus AFB in the 10 years to July 9, 2026. Total trihalomethanes (TTHM) were above the legal limit in the period starting October 2025. EPA also lists 7 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 Altus AFB'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 Altus AFB. Its phone number on EPA record is 580-481-5494. Its mailing address on EPA record is COL Jeffery Marshall, Cmdr, 97thAirMobWi, 301 N 1st St., ALTUS, OK 73523. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.