Arsenic in Norfolk, NE Drinking Water
Arsenic data for Norfolk, Nebraska · 28,593 residents · 2 ZIP codes
If you rely on a public water system in Norfolk, Nebraska, Arsenic is a contaminant your utility has been required to test for — and EPA records show it has been detected at measurable levels, making it worth understanding as part of your tap water's detection record.
Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-05-14
Arsenic in Norfolk Tap Water
Arsenic has been detected in Norfolk, Nebraska drinking water at a maximum level of 6.87 ppb — below the EPA MCL of 10 ppb.
This analysis covers 28,593 residents across 2 ZIP codes in Norfolk.
Norfolk's overall water quality grade is C (62/100).
Is Arsenic in Norfolk Water Safe?
Arsenic was detected in Norfolk water but currently falls within EPA limits. However, some health organizations argue the EPA MCL may not be protective enough.
If you are concerned, a reverse osmosis filter can reduce arsenic levels further.
Arsenic Levels by ZIP Code
Average arsenic level across Norfolk: 6.87 ppb
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 Norfolk 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.