Water Quality in Norwich, CT (06365)

EPA violation data for public water systems serving ZIP code 06365.

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

4,807

Population

22

Water Systems

5

Violations (5yr)

2

Health-Based

Location

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Water Systems Serving This Area (22)

Norwich Public Utilities

Surface water 36,163 people served
0 violations
Lead tested: 1.5 ppb (limit: 15 ppb)

Preston Veterans Memorial School

1 health-based
Groundwater 500 people served
2 violations (5yr) · 1 health-based
Lead tested: 0 ppb (limit: 15 ppb)

Preston City School

Groundwater 176 people served
0 violations

Preston Plains School

Groundwater 175 people served
0 violations

Hidden Acres Campground

1 health-based
Groundwater 75 people served
2 violations (5yr) · 1 health-based · All resolved

Preston City Congregational Church

Groundwater 49 people served
1 violation (5yr)

Amos Lake Beach-System 2:Campground Well

Groundwater 40 people served
0 violations

Amos Lake Beach - System #1:Pavilion

Groundwater 35 people served
0 violations

Lu - Macs Package Store

Groundwater 32 people served
0 violations

Stone Silo Farm

Groundwater 32 people served
0 violations

St Catherine Of Siena

Groundwater 29 people served
0 violations

Preston Community Park

Groundwater 25 people served
0 violations

Spafas Inc-Preston

Groundwater 25 people served
0 violations

Flemings Center

Groundwater 25 people served
0 violations

St James Episcopal Church

Groundwater 25 people served
0 violations

Preston Town Garage

Groundwater 25 people served
0 violations

Church Of The Nazarene

Groundwater 25 people served
0 violations

Calvary Baptist Church

Groundwater 25 people served
0 violations

Vfw Post 9452

Groundwater 25 people served
0 violations

Preston Transfer Station

Groundwater 25 people served
0 violations

Poquetanuck School

Groundwater 0
0 violations

Brookside Cafe

Groundwater 0
0 violations

Contaminants Found

LEAD AND COPPER RULE REVISIONSHealth-Based
2 violations
Has active
Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

2 violations
Has active
Public NoticeMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
1.5 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Norwich (06365) has more violations than 53% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 5.

Fewer violations 53th 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

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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