Arsenic in Winnemucca, NV Drinking Water
Arsenic data for Winnemucca, Nevada · 10,948 residents · 2 ZIP codes
At elevated levels, Arsenic is a recognized health concern in drinking water; in Winnemucca, Nevada, it has been detected in recent samples logged through federal compliance reporting.
Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-05-14
Arsenic in Winnemucca Tap Water
Winnemucca, Nevada has 4 EPA violations related to arsenic in drinking water.
This analysis covers 10,948 residents across 2 ZIP codes in Winnemucca.
Winnemucca's overall water quality grade is B (75/100).
Is Arsenic in Winnemucca 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 Winnemucca
| Date | Violation Type | Status | ZIP Code |
|---|---|---|---|
| 2021-07-01 | Arsenic (Resolved) | Resolved | 89445 |
| 2021-07-01 | Arsenic (Resolved) | Resolved | 89446 |
| 2021-04-01 | Arsenic (Resolved) | Resolved | 89445 |
| 2021-04-01 | Arsenic (Resolved) | Resolved | 89446 |
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 Winnemucca 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.