Exceeds EPA Limit Arsenic EXCEEDS EPA LIMIT

Arsenic in Woodstock, CT Drinking Water

Arsenic data for Woodstock, Connecticut · 7,417 residents · 1 ZIP code

People in Woodstock, Connecticut who get water from the public supply are among residents whose systems have returned Arsenic detections in EPA compliance testing.

10 ppb
EPA MCL
5
EPA Violations
High
Health Risk
Reverse Osmosis
Best Filter Method

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

Arsenic in Woodstock Tap Water

Woodstock, Connecticut has 5 EPA violations related to arsenic in drinking water.

This analysis covers 7,417 residents across 1 ZIP code in Woodstock.

Woodstock's overall water quality grade is D (46/100).

Is Arsenic in Woodstock Water Safe?

Arsenic levels in parts of Woodstock 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 Woodstock

Date Violation Type Status ZIP Code
2025-04-01 Arsenic (Known) Known 06281
2025-01-01 Arsenic (Known) Known 06281
2024-10-01 Arsenic (Known) Known 06281
2024-07-01 Arsenic (Known) Known 06281
2024-04-01 Arsenic (Known) Known 06281

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 Woodstock 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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