Water Quality in Shelton, CT (06831)

EPA violation data for public water systems serving ZIP code 06831.

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

15,210

Population

33

Water Systems

124

Violations (5yr)

36

Health-Based

Location

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Water Systems Serving This Area (33)

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)

Greenwich American Center

1 health-based
Groundwater 800 people served
3 violations (5yr) · 1 health-based · All resolved
Lead tested: 1.79 ppb (limit: 15 ppb)

Brunswick School (Lower & Lower Middle)

Groundwater 567 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Fairview Country Club

All resolved
Groundwater 435 people served
6 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Whitby School-Well #1

Groundwater 350 people served
0 violations

Brunswick School (Upper Middle)

Groundwater 295 people served
0 violations
Lead tested: 4.2 ppb (limit: 15 ppb)

Harvest Time Assembly Of God

2 health-based
Groundwater 250 people served
3 violations (5yr) · 2 health-based · All resolved

Stanwich Congregational Church

All resolved
Groundwater 200 people served
1 violation (5yr) · All resolved

Stanwich Club

16 health-based
Groundwater 130 people served
20 violations (5yr) · 16 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Tamarack Country Club

All resolved
Groundwater 130 people served
20 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Connecticut Health Of Greenwich

Groundwater 90 people served
0 violations

First Church Of Round Hill

1 health-based
Groundwater 60 people served
6 violations (5yr) · 1 health-based
Lead tested: 2.85 ppb (limit: 15 ppb)

North Greenwich Congregational Church

All resolved
Groundwater 36 people served
6 violations (5yr) · All resolved

Round Hill Store/Service Station

2 health-based
Groundwater 31 people served
4 violations (5yr) · 2 health-based · All resolved

Banksville Community House

Groundwater 25 people served
0 violations

E.T. Seton Boy Scout Camp - Main Bldg

All resolved
Groundwater 25 people served
1 violation (5yr) · All resolved

Seton Scout Reservation-A

Groundwater 25 people served
0 violations

St. Pauls Church

Groundwater 25 people served
0 violations

Fairview Country Club - Carriage House

Groundwater 25 people served
0 violations

Stanwich Congregational Church

Groundwater 25 people served
0 violations

Banksville Community School

Groundwater 25 people served
0 violations

G. E. Harris Golf Course (Concession)

Groundwater 25 people served
3 violations (5yr)

Round Hill Club

Groundwater 25 people served
0 violations

Seton Scout Reservation-B

Groundwater 25 people served
0 violations

G. E. Harris Golf Course (Maintenance)

2 health-based
Groundwater 25 people served
6 violations (5yr) · 2 health-based · All resolved

E.T. Seton Boy Scout Camp - Dorms

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

National Audubon Society (Main Building)

3 health-based
Groundwater 25 people served
14 violations (5yr) · 3 health-based · All resolved

Round Hill Community Church

6 health-based
Groundwater 25 people served
15 violations (5yr) · 6 health-based
Lead tested: 5.75 ppb (limit: 15 ppb)

Round Hill Community Center

Groundwater 25 people served
0 violations

St. Barnabas Church

Groundwater 25 people served
0 violations

Contaminants Found

Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

40 violations
All resolved
Lead and Copper RuleHealth-Based

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

13 violations
Has active
Gross Alpha, Excl. Radon and UHealth-Based
8 violations
All resolved
Combined UraniumHealth-Based
8 violations
All resolved
LEAD AND COPPER RULE REVISIONSHealth-Based
4 violations
Has active
Interim Enhanced Surface Water Treatment RuleHealth-Based
1 violation
All resolved
Public NoticeMonitoring
16 violations
Has active
E. COLIMonitoring
5 violations
Has active
Total Haloacetic Acids (HAA5)Monitoring
1 violation
All resolved
ChloriteMonitoring
1 violation
All resolved
ChlorineMonitoring

Used to disinfect water — generally safe at regulated levels.

1 violation
All resolved
ETHYLENE DIBROMIDEMonitoring
1 violation
All resolved
Vinyl chlorideMonitoring
1 violation
All resolved
BenzeneMonitoring
1 violation
All resolved
EthylbenzeneMonitoring
1 violation
All resolved
StyreneMonitoring
1 violation
All resolved
TolueneMonitoring
1 violation
All resolved
cis-1,2-DichloroethyleneMonitoring
1 violation
All resolved
1,1-DichloroethyleneMonitoring
1 violation
All resolved
Carbon tetrachlorideMonitoring
1 violation
All resolved
DICHLOROMETHANEMonitoring
1 violation
All resolved
p-DichlorobenzeneMonitoring
1 violation
All resolved
TrichloroethyleneMonitoring
1 violation
All resolved
trans-1,2-DichloroethyleneMonitoring
1 violation
All resolved
1,1,1-TrichloroethaneMonitoring
1 violation
All resolved
1,1,2-TrichloroethaneMonitoring
1 violation
All resolved
1,2-DichloroethaneMonitoring
1 violation
All resolved
1,2-DichloropropaneMonitoring
1 violation
All resolved
1,2,4-TrichlorobenzeneMonitoring
1 violation
All resolved
o-DichlorobenzeneMonitoring
1 violation
All resolved
CHLOROBENZENEMonitoring
1 violation
All resolved
TetrachloroethyleneMonitoring
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 (06831) has more violations than 97% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 124.

Fewer violations 97th 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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