Exceeds EPA Limit Arsenic EXCEEDS EPA LIMIT

Arsenic in Bow, NH Drinking Water

Arsenic data for Bow, New Hampshire · 8,295 residents · 1 ZIP code

If you rely on a public water system in Bow, New Hampshire, 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.

10 ppb
EPA MCL
2
EPA Violations
High
Health Risk
Reverse Osmosis
Best Filter Method

Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-04-05

Arsenic in Bow Tap Water

Bow, New Hampshire has 2 EPA violations related to arsenic in drinking water.

This analysis covers 8,295 residents across 1 ZIP code in Bow.

Bow's overall water quality grade is B (71/100).

Is Arsenic in Bow Water Safe?

Arsenic levels in parts of Bow exceed the EPA MCL of 10 ppb. The EPA requires water systems to take corrective action when this limit is exceeded.

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 Bow

Date Violation Type Status ZIP Code
2021-07-01 Arsenic (Resolved) Resolved 03304
2021-04-01 Arsenic (Resolved) Resolved 03304

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 Bow Water

  1. Install a reverse osmosis (RO) system certified under NSF 58
  2. Adsorptive media filters (iron-based) can also reduce arsenic
  3. Have well water tested if on a private supply
  4. Boiling water does NOT remove arsenic — it concentrates it

Look for filters certified under NSF 53 / NSF 58 for arsenic removal.

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