Water Quality in Shelton, CT (06812)

EPA violation data for public water systems serving ZIP code 06812.

Active Health Violations

12 health-based violations found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.

More violations than 99% of US ZIP codes.

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

13,584

Population

Water Systems

221

Violations (5yr)

Health-Based

Location

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Water Systems Serving This Area (63)

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) ✓

New Fairfield High/Middle School

1 health-based

Groundwater 1,791 people served

66 violations (5yr) · 1 health-based · All resolved

Lead tested: 4.49 ppb (limit: 15 ppb) ✓

Resolved

Groundwater Rule Health

Jan 2025 Resolved

Lead and Copper Rule Monitoring

Mar 2024 Resolved

Revised Total Coliform Rule Monitoring

Jun 2023 Resolved

E. COLI Monitoring

Jun 2023 Resolved

E. COLI Monitoring

Apr 2023 Resolved

Chlorine Monitoring

Apr 2023 Resolved

Revised Total Coliform Rule Monitoring

Apr 2023 Resolved

Revised Total Coliform Rule Monitoring

Mar 2023 Resolved

E. COLI Monitoring

Feb 2023 Resolved

Chlorine Monitoring

Jan 2023 Resolved

Lead and Copper Rule Monitoring

Dec 2022 Resolved

Tetrachloroethylene Monitoring

Jul 2022 Resolved

Ethylbenzene Monitoring

Jul 2022 Resolved

p-Dichlorobenzene Monitoring

Jul 2022 Resolved

trans-1,2-Dichloroethylene Monitoring

Jul 2022 Resolved

cis-1,2-Dichloroethylene Monitoring

Jul 2022 Resolved

1,2-Dichloropropane Monitoring

Jul 2022 Resolved

DICHLOROMETHANE Monitoring

Jul 2022 Resolved

CHLOROBENZENE Monitoring

Jul 2022 Resolved

1,1-Dichloroethylene Monitoring

Jul 2022 Resolved

Trichloroethylene Monitoring

Jul 2022 Resolved

Vinyl chloride Monitoring

Jul 2022 Resolved

1,2-Dichloroethane Monitoring

Jul 2022 Resolved

Carbon tetrachloride Monitoring

Jul 2022 Resolved

1,2,4-Trichlorobenzene Monitoring

Jul 2022 Resolved

Toluene Monitoring

Jul 2022 Resolved

1,1,2-Trichloroethane Monitoring

Jul 2022 Resolved

Styrene Monitoring

Jul 2022 Resolved

E. COLI Monitoring

Jul 2022 Resolved

o-Dichlorobenzene Monitoring

Jul 2022 Resolved

Benzene Monitoring

Jul 2022 Resolved

1,1,1-Trichloroethane Monitoring

Jul 2022 Resolved

E. COLI Monitoring

May 2022 Resolved

Benzene Monitoring

Apr 2022 Resolved

Vinyl chloride Monitoring

Apr 2022 Resolved

p-Dichlorobenzene Monitoring

Apr 2022 Resolved

Ethylbenzene Monitoring

Apr 2022 Resolved

1,2,4-Trichlorobenzene Monitoring

Apr 2022 Resolved

1,1-Dichloroethylene Monitoring

Apr 2022 Resolved

1,2-Dichloroethane Monitoring

Apr 2022 Resolved

Toluene Monitoring

Apr 2022 Resolved

Carbon tetrachloride Monitoring

Apr 2022 Resolved

1,1,1-Trichloroethane Monitoring

Apr 2022 Resolved

Styrene Monitoring

Apr 2022 Resolved

CHLOROBENZENE Monitoring

Apr 2022 Resolved

1,2-Dichloropropane Monitoring

Apr 2022 Resolved

cis-1,2-Dichloroethylene Monitoring

Apr 2022 Resolved

Tetrachloroethylene Monitoring

Apr 2022 Resolved

Trichloroethylene Monitoring

Apr 2022 Resolved

DICHLOROMETHANE Monitoring

Apr 2022 Resolved

trans-1,2-Dichloroethylene Monitoring

Apr 2022 Resolved

1,1,2-Trichloroethane Monitoring

Apr 2022 Resolved

o-Dichlorobenzene Monitoring

Apr 2022 Resolved

E. COLI Monitoring

Dec 2021 Resolved

Total Haloacetic Acids (HAA5) Monitoring

Oct 2021 Resolved

Consolidated & Meeting House Hill School

2 health-based

Groundwater 1,425 people served

5 violations (5yr) · 2 health-based

Lead tested: 2.09 ppb (limit: 15 ppb) ✓

Meeting House Hill School

Groundwater 700 people served

0 violations

Candlewood Knolls Water Authority

All resolved

Groundwater 524 people served

39 violations (5yr) · All resolved

Lead tested: 2.43 ppb (limit: 15 ppb) ✓

Knollcrest Tax District

3 health-based

Groundwater 356 people served

13 violations (5yr) · 3 health-based

Lead tested: 0 ppb (limit: 15 ppb) ✓

74 Route 37, Llc

Groundwater 130 people served

28 violations (5yr)

Lead tested: 0 ppb (limit: 15 ppb) ✓

New Fairfield Schools Concession Stand

2 health-based

Fanton Dance Studio

Groundwater 25 people served

0 violations

Fieldstone Plaza

All resolved

All resolved

Groundwater 0

4 violations (5yr) · All resolved

Stony Hill Diner

Groundwater 0

0 violations

Contaminants Found

Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

51 violations

Has active

Lead and Copper RuleHealth-Based

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

10 violations

Has active

LEAD AND COPPER RULE REVISIONSHealth-Based

2 violations

Has active

Interim Enhanced Surface Water Treatment RuleHealth-Based

1 violation

All resolved

Groundwater RuleHealth-Based

1 violation

All resolved

Public NoticeMonitoring

14 violations

Has active

E. COLIMonitoring

8 violations

Has active

NitrateMonitoring

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

6 violations

All resolved

Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

5 violations

All resolved

TetrachloroethyleneMonitoring

3 violations

All resolved

EthylbenzeneMonitoring

3 violations

All resolved

p-DichlorobenzeneMonitoring

3 violations

All resolved

trans-1,2-DichloroethyleneMonitoring

3 violations

All resolved

cis-1,2-DichloroethyleneMonitoring

3 violations

All resolved

1,2-DichloropropaneMonitoring

3 violations

All resolved

DICHLOROMETHANEMonitoring

3 violations

All resolved

CHLOROBENZENEMonitoring

3 violations

All resolved

1,1-DichloroethyleneMonitoring

3 violations

All resolved

TrichloroethyleneMonitoring

3 violations

All resolved

Vinyl chlorideMonitoring

3 violations

All resolved

1,2-DichloroethaneMonitoring

3 violations

All resolved

Carbon tetrachlorideMonitoring

3 violations

All resolved

1,2,4-TrichlorobenzeneMonitoring

3 violations

All resolved

TolueneMonitoring

3 violations

All resolved

1,1,2-TrichloroethaneMonitoring

3 violations

All resolved

StyreneMonitoring

3 violations

All resolved

o-DichlorobenzeneMonitoring

3 violations

All resolved

BenzeneMonitoring

3 violations

All resolved

1,1,1-TrichloroethaneMonitoring

3 violations

All resolved

NitriteMonitoring

Similar to nitrate — harmful to infants at high levels.

3 violations

All resolved

Total Haloacetic Acids (HAA5)Monitoring

2 violations

All resolved

ChlorineMonitoring

Used to disinfect water — generally safe at regulated levels.

2 violations

All resolved

Combined Radium (-226 and -228)Monitoring

2 violations

All resolved

Gross Alpha, Excl. Radon and UMonitoring

2 violations

All resolved

ChloriteMonitoring

1 violation

All resolved

CadmiumMonitoring

1 violation

All resolved

ToxapheneMonitoring

1 violation

All resolved

1,2-DIBROMO-3-CHLOROPROPANEMonitoring

1 violation

All resolved

Di(2-ethylhexyl) adipateMonitoring

1 violation

All resolved

DiquatMonitoring

1 violation

All resolved

HexachlorocyclopentadieneMonitoring

1 violation

All resolved

ChlordaneMonitoring

1 violation

All resolved

GlyphosateMonitoring

1 violation

All resolved

CarbofuranMonitoring

1 violation

All resolved

AldicarbMonitoring

1 violation

All resolved

DalaponMonitoring

1 violation

All resolved

Combined UraniumMonitoring

1 violation

All resolved

BHC-GAMMAMonitoring

1 violation

All resolved

EndrinMonitoring

1 violation

All resolved

Total Polychlorinated Biphenyls (PCB)Monitoring

1 violation

All resolved

Heptachlor epoxideMonitoring

1 violation

All resolved

HeptachlorMonitoring

1 violation

All resolved

Aldicarb sulfoneMonitoring

1 violation

All resolved

HEXACHLOROBENZENEMonitoring

1 violation

All resolved

SimazineMonitoring

1 violation

All resolved

DinosebMonitoring

1 violation

All resolved

2,4-DMonitoring

1 violation

All resolved

Benzo(a)pyreneMonitoring

1 violation

All resolved

MethoxychlorMonitoring

1 violation

All resolved

PicloramMonitoring

1 violation

All resolved

OXAMYLMonitoring

1 violation

All resolved

Aldicarb sulfoxideMonitoring

1 violation

All resolved

PentachlorophenolMonitoring

1 violation

All resolved

Di(2-ethylhexyl) phthalateMonitoring

1 violation

All resolved

2,4,5-TPMonitoring

1 violation

All resolved

ETHYLENE DIBROMIDEMonitoring

1 violation

All resolved

LASSOMonitoring

1 violation

All resolved

AtrazineMonitoring

1 violation

All resolved

Lead & Copper Levels

Lead (Pb)

Within limit

0 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Shelton (06812) has more violations than 99% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 221.

Fewer violations 99th 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

NSF Certified Products → EPA Safe Drinking Water Guide →

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

NSF Certified Products → EPA Safe Drinking Water Guide →

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.

Active Health Violations

Location

Water Systems Serving This Area (63)

Aquarion-Eastern Fairfield County

Aquarion-Stamford

Danbury Water Department

Aquarion-Greenwich

New Fairfield High/Middle School

Consolidated & Meeting House Hill School

Meeting House Hill School

Candlewood Knolls Water Authority

Knollcrest Tax District

74 Route 37, Llc

New Fairfield Schools Concession Stand

Gils Citgo

Gerows Garden Center

Christian Day Nursery School

Jayces

St. Edward Rc Church

Fanton Dance Studio

Fieldstone Plaza

Consolidated School

New Fairfield Town Park

Squantz Engine Company, Inc.

4 Cotton Tail Road

United Methodist Church

Holy Trinity Church

New Fairfield Commons

Company A Fire Department

Datahr House (Saw Mill Rd)

K N L Deli

Candlewood Isle Club House

Neumann Real Estate

Candlewood Knolls

Squantz Pond S.P./Spring

Apple Tree Hill Antiques

Chatterton Marina

Hollywyle

Saint Edward The Confessor Corporation

New Fairfield Press

New Fairfield Motel

Hollywyle Park Assoc.,Inc.

Locust Glen Garden Center

Hollywyle

Corner Deli & Grocery

Louis A. Mandino Dds

Putnam Lake Pizza

Candlewood Knolls

Squantz Pond S.P./Lifeguard Dorm

Stephen J. Hanrahan Dmd (Dentist)

25 Old Route 37

New Fairfield Congregational Church

Causeway Marina (Formerly Lake Candlewoo

Pool Doctor Store

Fieldstone Commons

New Fairfield Police Department

Memorial Field

Datahr House (Sweetcake Mountain Rd)

New Fairfield Mobil Snack Shop

Candlewood Knolls Clubhouse

New Fairfield /Sherman Animal Welfare &

Lutheran Church Of The Good Shepard

Redi-Cut Carpet

Lake & Country Real Estate

249 Route 39

Stony Hill Diner

Contaminants Found

Lead & Copper Levels

Lead (Pb)

How Does This Compare?

Recommended Water Filters

Reverse Osmosis System

UV Water Purifier

Nearby ZIP Codes

Check Another ZIP Code