Water Quality in West Cornwall, CT (06796)

EPA violation data for public water systems serving ZIP code 06796.

Past Health-Based Violations

2 health-based violations were found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 23 monitoring/reporting violations.

More violations than 82% of US ZIP codes.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

821

Population

8

Water Systems

25

Violations (5yr)

2

Health-Based

Location

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Water Systems Serving This Area (8)

Cornwall Consolidated School

1 health-based
Groundwater 202 people served
4 violations (5yr) · 1 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Trinity Retreat Center - Dix House-Main

Groundwater 61 people served
0 violations

Cornwall Child Center, Inc.

Groundwater 39 people served
0 violations
Lead tested: 1.07 ppb (limit: 15 ppb)

Trinity Retreat Center-Butler Hall

1 health-based
Groundwater 30 people served
5 violations (5yr) · 1 health-based · All resolved

Cover Bridge

Groundwater 29 people served
0 violations

West Cornwall Market

Groundwater 25 people served
0 violations

Railroad Square Plaza (Ne Catering)

All resolved
Groundwater 25 people served
12 violations (5yr) · All resolved

West Cornwall Development

All resolved
Groundwater 25 people served
4 violations (5yr) · All resolved

Contaminants Found

Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

12 violations
All resolved
Public NoticeMonitoring
5 violations
All resolved
E. COLIMonitoring
2 violations
All resolved
NitrateMonitoring

At high levels, nitrate can cause blue baby syndrome in infants.

2 violations
All resolved
NitriteMonitoring

Similar to nitrate — harmful to infants at high levels.

2 violations
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jul 2025

How Does This Compare?

West Cornwall (06796) has more violations than 82% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 25.

Fewer violations 82th percentile More violations

Recommended Water Filters

Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.

UV Water Purifier

Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.

Targets:E. coli, Coliform, Giardia, Cryptosporidium

Look for:NSF/ANSI 55 (Class A) certified

Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.

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