Water Quality in Mansfield, CT (06237)

EPA violation data for public water systems serving ZIP code 06237.

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

5,300

Population

47

Water Systems

91

Violations (5yr)

4

Health-Based

Location

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Water Systems Serving This Area (47)

Mansfield

Groundwater 60,000 people served
0 violations

University Of Connecticut - Main Campus

Purchased surface water 27,199 people served
0 violations

Horace Porter School

All resolved
Groundwater 797 people served
1 violation (5yr) · All resolved

Cornerstone Of Columbia

Groundwater 193 people served
0 violations

Discovery Zone Learning Cntr Columbia

Groundwater 189 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Columbia Manufacturing - Well #2

1 health-based
Groundwater 155 people served
32 violations (5yr) · 1 health-based
Lead tested: 0 ppb (limit: 15 ppb)

Columbia Manufacturing - Well #1

2 health-based
Groundwater 150 people served
39 violations (5yr) · 2 health-based
Lead tested: 4.8 ppb (limit: 15 ppb)

Camp Asto Wamah - Hungerford

Groundwater 100 people served
5 violations (5yr)

Camp Asto Wamah - Infirmary

Groundwater 100 people served
3 violations (5yr)

Camp Asto Wamah - Lodge

Groundwater 100 people served
5 violations (5yr)

Discovery Zone Learning Cntr Marlborough

Groundwater 70 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Tri County Arc, Inc.

Groundwater 55 people served
0 violations

Saint Columba Church

Groundwater 49 people served
0 violations

Baptist Fellowship Church

Groundwater 48 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Wh Automotive, Inc.

1 health-based
Groundwater 40 people served
2 violations (5yr) · 1 health-based
Lead tested: 4 ppb (limit: 15 ppb) Copper tested: 1780 ppb (limit: 1300 ppb)

94 Route 66 - Columbia - Restaurant

Groundwater 33 people served
0 violations

United Services

Groundwater 33 people served
0 violations

Burt L. Ives & Sons, Inc.

Groundwater 31 people served
0 violations

Labranchas Food Store

Groundwater 30 people served
0 violations

Pepin Properties

Groundwater 30 people served
0 violations

Woodland Terrace

All resolved
Groundwater 27 people served
2 violations (5yr) · All resolved
Lead tested: 8.4 ppb (limit: 15 ppb)

Rev Edward Davis

Groundwater 25 people served
0 violations

Mottas Pastry & Bake Shop

Groundwater 25 people served
0 violations

James Counihan

Groundwater 25 people served
0 violations

98 Route 66 - Columbia - Ice Cream

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

Hop River Motel

Groundwater 25 people served
0 violations

St. Columba Church & Daycare

Groundwater 25 people served
0 violations

Rosemar Llc

Groundwater 25 people served
0 violations

Rev Edward Davis

Groundwater 25 people served
0 violations

Public Health Nursing Agency

Groundwater 25 people served
0 violations

Recreation Park- Bathroom Pavilion

Groundwater 25 people served
0 violations

52 Route 66

Groundwater 25 people served
0 violations

Recreation Park

Groundwater 25 people served
1 violation (5yr)

Beckish Senior Center

Groundwater 25 people served
0 violations

Eastern Ct Vocational School

Groundwater 25 people served
0 violations

Imported Cars Of Columbia

Groundwater 25 people served
0 violations

D & S Auto Body

Groundwater 25 people served
0 violations

Colonial Drive

Groundwater 25 people served
0 violations

Columbia Congregational Church

Groundwater 25 people served
0 violations

Heartstone Farm & Winery, Llc

Groundwater 25 people served
0 violations

Columbia Shopping Village

Groundwater 25 people served
0 violations

Columbia Package Store

Groundwater 25 people served
0 violations

Gilead Congregational Church

Groundwater 25 people served
0 violations

Miss Midge Coiffures

Groundwater 10 people served
0 violations

Rolgate Inc.

Groundwater 8 people served
0 violations

Vol Fire Dept

Groundwater 5 people served
0 violations

Town Highway Garage

Groundwater 5 people served
0 violations

Contaminants Found

Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

21 violations
Has active
LEAD AND COPPER RULE REVISIONSHealth-Based
6 violations
Has active
Lead and Copper RuleMonitoring

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

13 violations
All resolved
Public NoticeMonitoring
4 violations
All resolved
1,1,1-TrichloroethaneMonitoring
2 violations
All resolved
DICHLOROMETHANEMonitoring
2 violations
All resolved
1,1,2-TrichloroethaneMonitoring
2 violations
All resolved
CHLOROBENZENEMonitoring
2 violations
All resolved
1,2-DichloroethaneMonitoring
2 violations
All resolved
NitriteMonitoring

Similar to nitrate — harmful to infants at high levels.

2 violations
All resolved
p-DichlorobenzeneMonitoring
2 violations
All resolved
o-DichlorobenzeneMonitoring
2 violations
All resolved
NitrateMonitoring

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

2 violations
All resolved
Vinyl chlorideMonitoring
2 violations
All resolved
1,2,4-TrichlorobenzeneMonitoring
2 violations
All resolved
TolueneMonitoring
2 violations
All resolved
BenzeneMonitoring
2 violations
All resolved
1,2-DichloropropaneMonitoring
2 violations
All resolved
trans-1,2-DichloroethyleneMonitoring
2 violations
All resolved
1,1-DichloroethyleneMonitoring
2 violations
All resolved
cis-1,2-DichloroethyleneMonitoring
2 violations
All resolved
StyreneMonitoring
2 violations
All resolved
Carbon tetrachlorideMonitoring
2 violations
All resolved
TetrachloroethyleneMonitoring
2 violations
All resolved
TrichloroethyleneMonitoring
2 violations
All resolved
EthylbenzeneMonitoring
2 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

2 violations
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jan 2025

Copper (Cu)

Exceeds limit
1780 ppb measured Action level: 1300 ppb

Sampled: Jan 2023

How Does This Compare?

Mansfield (06237) has more violations than 96% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 91.

Fewer violations 96th 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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