Arsenic in Morris, MN Drinking Water
Arsenic data for Morris, Minnesota · 6,766 residents · 1 ZIP code
Routine testing in Morris, Minnesota turned up Arsenic — samples from the public supply came back positive, placing this contaminant on the list of substances residents here have a concrete reason to look into.
Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-04-05
Arsenic in Morris Tap Water
Morris, Minnesota has 9 EPA violations related to arsenic in drinking water.
This analysis covers 6,766 residents across 1 ZIP code in Morris.
Morris's overall water quality grade is D (45/100).
Is Arsenic in Morris 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 Morris
| Date | Violation Type | Status | ZIP Code |
|---|---|---|---|
| 2025-07-01 | Arsenic (Known) | Known | 56267 |
| 2025-04-01 | Arsenic (Known) | Known | 56267 |
| 2025-01-01 | Arsenic (Resolved) | Resolved | 56267 |
| 2024-10-01 | Arsenic (Known) | Known | 56267 |
| 2024-07-01 | Arsenic (Known) | Known | 56267 |
| 2024-04-01 | Arsenic (Known) | Known | 56267 |
| 2024-01-01 | Arsenic (Known) | Known | 56267 |
| 2023-10-01 | Arsenic (Known) | Known | 56267 |
| 2023-07-01 | Arsenic (Known) | Known | 56267 |
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 Morris 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.