Arsenic in Flint, MI Drinking Water
Arsenic data for Flint, Michigan · 139,114 residents · 7 ZIP codes
ZipCheckup's reading of Arsenic in Flint, Michigan: Arsenic carries a high health-risk designation.
Water monitoring in Flint, Michigan has logged Arsenic at detectable levels in recent sampling cycles.
Data: EPA SDWIS, CCR Reports, ECHO
Arsenic in Flint Tap Water
Flint, Michigan has 56 EPA violations related to arsenic in drinking water.
This analysis covers 139,114 residents across 7 ZIP codes in Flint.
Is Arsenic in Flint 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 Flint
| Date | Violation Type | Status | ZIP Code |
|---|---|---|---|
| 2025-01-01 | Arsenic (Known) | Known | 48502 |
| 2025-01-01 | Arsenic (Known) | Known | 48503 |
| 2025-01-01 | Arsenic (Known) | Known | 48504 |
| 2025-01-01 | Arsenic (Known) | Known | 48505 |
| 2025-01-01 | Arsenic (Known) | Known | 48506 |
| 2025-01-01 | Arsenic (Known) | Known | 48507 |
| 2025-01-01 | Arsenic (Known) | Known | 48532 |
| 2024-07-01 | Arsenic (Resolved) | Resolved | 48502 |
| 2024-07-01 | Arsenic (Resolved) | Resolved | 48503 |
| 2024-07-01 | Arsenic (Resolved) | Resolved | 48504 |
| 2024-07-01 | Arsenic (Resolved) | Resolved | 48505 |
| 2024-07-01 | Arsenic (Resolved) | Resolved | 48506 |
| 2024-07-01 | Arsenic (Resolved) | Resolved | 48507 |
| 2024-07-01 | Arsenic (Resolved) | Resolved | 48532 |
| 2024-04-01 | Arsenic (Resolved) | Resolved | 48502 |
| 2024-04-01 | Arsenic (Resolved) | Resolved | 48503 |
| 2024-04-01 | Arsenic (Resolved) | Resolved | 48504 |
| 2024-04-01 | Arsenic (Resolved) | Resolved | 48505 |
| 2024-04-01 | Arsenic (Resolved) | Resolved | 48506 |
| 2024-04-01 | Arsenic (Resolved) | Resolved | 48507 |
| ... | 36 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 Flint 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.