Water Quality in Shelton, CT (06840)

EPA violation data for public water systems serving ZIP code 06840.

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

20,870

Population

26

Water Systems

35

Violations (5yr)

4

Health-Based

Location

Loading map...

Water Systems Serving This Area (26)

Aquarion-Eastern Fairfield County

Surface water 351,756 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Aquarion-Stamford

All resolved
Surface water 119,214 people served
1 violation (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Danbury Water Department

1 health-based
Surface water 62,055 people served
2 violations (5yr) · 1 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Aquarion-Greenwich

All resolved
Surface water 53,297 people served
1 violation (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

St Lukes School Athletic Center

Groundwater 500 people served
3 violations (5yr)
Lead tested: 1.49 ppb (limit: 15 ppb)

St Lukes School

1 health-based
Groundwater 405 people served
13 violations (5yr) · 1 health-based
Lead tested: 0 ppb (limit: 15 ppb)

Country Club Of New Canaan (Tennis Well)

Groundwater 190 people served
0 violations

Country Club Of New Canaan (Main Well)

All resolved
Groundwater 190 people served
2 violations (5yr) · All resolved
Lead tested: 1 ppb (limit: 15 ppb)

Jim Goulard

Groundwater 175 people served
0 violations

Grace Community Church

Groundwater 165 people served
0 violations

St Lukes Athletic Field (Fountn)

Groundwater 150 people served
0 violations

Acadia Seashore Camping & Cabins

All resolved
Groundwater 114 people served
4 violations (5yr) · All resolved

Camp Playland

Groundwater 102 people served
0 violations
Lead tested: 4.05 ppb (limit: 15 ppb)

Sywal Corporation

Groundwater 76 people served
0 violations

Colonial Square Ii

Groundwater 55 people served
0 violations

125 Commerce Drive

Groundwater 37 people served
2 violations (5yr)
Lead tested: 0 ppb (limit: 15 ppb)

Mr John P Lipke

Groundwater 25 people served
0 violations

Camp Playland

Groundwater 25 people served
0 violations

Country Club Of New Canaan (Halfway)

2 health-based
Groundwater 25 people served
7 violations (5yr) · 2 health-based

Chimney Corners Shopping Center

Groundwater 25 people served
0 violations

Ancar Imports Inc

Groundwater 25 people served
0 violations

New Canaan Country School

Groundwater 25 people served
0 violations

New Canaan Field Club

Groundwater 25 people served
0 violations

Jim Goulard

Groundwater 25 people served
0 violations

St Lukes Foundation - Art Building

Groundwater 2 people served
0 violations

Unimin

Groundwater 0
0 violations

Contaminants Found

Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

8 violations
Has active
Interim Enhanced Surface Water Treatment RuleHealth-Based
1 violation
All resolved
Lead and Copper RuleMonitoring

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

13 violations
Has active
Public NoticeMonitoring
8 violations
Has active
E. COLIMonitoring
2 violations
All resolved
Total Haloacetic Acids (HAA5)Monitoring
1 violation
All resolved
ChloriteMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jul 2025

How Does This Compare?

Shelton (06840) has more violations than 86% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 35.

Fewer violations 86th 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.

Nearby ZIP Codes

Check Another ZIP Code