Water Quality in Warren, CT (06754)

EPA violation data for public water systems serving ZIP code 06754.

Past Health-Based Violations

1 health-based violation was found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 31 monitoring/reporting violations.

More violations than 85% of US ZIP codes.

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

1,656

Population

30

Water Systems

32

Violations (5yr)

1

Health-Based

Location

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Water Systems Serving This Area (30)

Warren Congregational Church

Groundwater 54 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb)

Cornwall Water Company

1 health-based
Groundwater 48 people served
28 violations (5yr) · 1 health-based · All resolved
Lead tested: 0.55 ppb (limit: 15 ppb)

Cornwall Bridge Post Office

Groundwater 39 people served
0 violations

103 Cemetery Hill Road

Groundwater 25 people served
0 violations

Boulders Inn + Cottages

Groundwater 25 people served
0 violations

Town Hall

Groundwater 25 people served
0 violations

Warren Country Store

Groundwater 25 people served
0 violations

Wakele School

Groundwater 25 people served
0 violations

Hitchingpost Country Store

Groundwater 25 people served
0 violations

Warren Woods

Groundwater 25 people served
0 violations

Warren Woods

Groundwater 25 people served
0 violations

Warren Country Store

Groundwater 25 people served
0 violations

Sunshine Day Care

Groundwater 25 people served
0 violations

Hitching Post Motel

Groundwater 25 people served
0 violations

Vol Fire Dept

Groundwater 25 people served
0 violations

Cornwall Market

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

Warren Town Garage

Groundwater 25 people served
0 violations

Mountain Lake Camp

Groundwater 25 people served
0 violations

Mountain Lake Camp-W1

Groundwater 25 people served
0 violations

Hopkins Inn

Groundwater 25 people served
0 violations

Hopkins Inn

Groundwater 25 people served
0 violations

Warren Woods

Groundwater 25 people served
0 violations

Cornwall Inn

Groundwater 25 people served
0 violations

Mountain Lake Camp-W3

Groundwater 25 people served
0 violations

Inn On Lake Waramaug

Groundwater 25 people served
0 violations

Cornwall Inn

Groundwater 25 people served
0 violations

First Cong Church

Groundwater 25 people served
0 violations

Golden Bough School

Groundwater 25 people served
0 violations

Warren Town Hall

Groundwater 24 people served
0 violations

National Iron Bank

Groundwater 4 people served
0 violations

Contaminants Found

LEAD AND COPPER RULE REVISIONSHealth-Based
2 violations
All resolved
Lead and Copper RuleMonitoring

Lead and copper testing requirement. Lead exposure can cause developmental harm in children.

8 violations
All resolved
Public NoticeMonitoring
6 violations
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

6 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

4 violations
All resolved
NitrateMonitoring

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

1 violation
All resolved
NitriteMonitoring

Similar to nitrate — harmful to infants at high levels.

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0.55 ppb measured Action level: 15 ppb

Sampled: Jul 2025

How Does This Compare?

Warren (06754) has more violations than 85% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 32.

Fewer violations 85th 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.

Reverse Osmosis System

Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.

Targets:Lead, Copper, Arsenic, Mercury, Cadmium

Look for:NSF/ANSI 58 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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