Arsenic in Oklahoma City, OK Drinking Water
Arsenic data for Oklahoma City, Oklahoma · 695,373 residents · 42 ZIP codes
ZipCheckup's reading of Arsenic in Oklahoma City, Oklahoma: Arsenic carries a high health-risk designation.
Federal water monitoring extends to thousands of public water systems, and in Oklahoma City, Oklahoma, that tracking has turned up Arsenic - the detection is logged in the EPA compliance record and reflects samples collected under routine Safe Drinking Water Act reporting requirements.
Data: EPA SDWIS, CCR Reports, ECHO
Arsenic in Oklahoma City Tap Water
Oklahoma City, Oklahoma has 21 EPA violations related to arsenic in drinking water.
This analysis covers 695,373 residents across 42 ZIP codes in Oklahoma City.
Is Arsenic in Oklahoma City Water Safe?
If you live in an affected ZIP code, consider installing a reverse osmosis filter certified under NSF 53 / NSF 58 and testing your water independently.
EPA Violations for Arsenic in Oklahoma City
| Date | Violation Type | Status | ZIP Code |
|---|---|---|---|
| 2026-01-01 | Arsenic (Known) | Known | 73139 |
| 2026-01-01 | Arsenic (Known) | Known | 73159 |
| 2026-01-01 | Arsenic (Known) | Known | 73169 |
| 2026-01-01 | Arsenic (Known) | Known | 73170 |
| 2026-01-01 | Arsenic (Known) | Known | 73173 |
| 2026-01-01 | Arsenic (Known) | Known | 73179 |
| 2024-10-01 | Arsenic (Known) | Known | 73139 |
| 2024-10-01 | Arsenic (Known) | Known | 73149 |
| 2024-10-01 | Arsenic (Known) | Known | 73160 |
| 2024-10-01 | Arsenic (Known) | Known | 73165 |
| 2024-10-01 | Arsenic (Known) | Known | 73170 |
| 2023-01-01 | Arsenic (Resolved) | Resolved | 73139 |
| 2023-01-01 | Arsenic (Resolved) | Resolved | 73149 |
| 2023-01-01 | Arsenic (Resolved) | Resolved | 73160 |
| 2023-01-01 | Arsenic (Resolved) | Resolved | 73165 |
| 2023-01-01 | Arsenic (Resolved) | Resolved | 73170 |
| 2022-10-01 | Arsenic (Resolved) | Resolved | 73139 |
| 2022-10-01 | Arsenic (Resolved) | Resolved | 73149 |
| 2022-10-01 | Arsenic (Resolved) | Resolved | 73160 |
| 2022-10-01 | Arsenic (Resolved) | Resolved | 73165 |
| ... | 1 more violations |
Health Effects of Arsenic
- Increased risk of skin, bladder, lung, and kidney cancer
- Cardiovascular disease and type 2 diabetes
- Skin changes (darkening, thickening, lesions)
- Developmental effects in children exposed in utero
Health risk severity: High. Governed by the Arsenic Rule (2006).
How Arsenic Gets Into Drinking Water
- Natural deposits in rock and soil (especially in western U.S.)
- Runoff from orchards and glass/electronics production
- Historical use of arsenic-based pesticides
- Well water in areas with arsenic-rich geology
What to Do About Arsenic in Oklahoma City Water
- Install a reverse osmosis (RO) system certified under NSF 58
- Adsorptive media filters (iron-based) can also reduce arsenic
- Have well water tested if on a private supply
- Boiling water does NOT remove arsenic — it concentrates it
Look for filters certified under NSF 53 / NSF 58 for arsenic removal.