Water Quality in Norwich, CT (06370)
EPA violation data for public water systems serving ZIP code 06370.
Active Health Violations
4 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 78% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
7,327
Population
43
Water Systems
19
Violations (5yr)
4
Health-Based
Location
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Water Systems Serving This Area (43)
Norwich Public Utilities
Leonard J.Tyl Middle School&High School
1 health-basedMontville High School
C E Murphy School
1 health-basedMohegan School
Oakdale School
St. Thomas More School-Main System
All resolvedSt. Thomas More School-System #5
St. Thomas More School-Fieldhouse
St. Thomas More School-System #4
St. Thomas More School-System #2
Pequot Ledge Campground
1 health-basedBears Sleepy Hollow Campground
Palmer Memorial School
Little Learners Children'S Center
Laurel Lock Campground - Store Well
Fox Laurel Mobile Home Park, Llc
1 health-basedGrowing Garden Nursery School
The Chesterfield Fire Company, Inc.
Chesterfield Lodge
Edwin Batson
Natures Art
Laurel Lock Campground-Cottage/Lake Well
Pat Grasso
627 Norwich Salem Turnpike
Oakdale Shopping Center
St. Thomas More School-The Cove
All resolvedOur Lady Of The Lakes Church
The Past
Cornerstone Baptist Church
Oakdale Shopping Center
Club President
Mrtmrs Kilmitsky
The Montville American Little League
Jacobowitz Mobile Home Parks, Inc.
Club President
Oakdale Heights Water Assoc. (Sys#2)
Quaker Hill Rod & Gun Club
William Schneider
Raymond Library
Pat Grasso
Davids Place
All resolvedRenaldis One Stop
Contaminants Found
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Annual water quality report delivery requirement.
Missed testing deadlines — not a detection of bacteria.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
How Does This Compare?
Norwich (06370) has more violations than 78% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 19.
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
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.