Water Quality in Norwich, CT (06335)
EPA violation data for public water systems serving ZIP code 06335.
Active Health Violations
3 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 73% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
6,307
Population
43
Water Systems
14
Violations (5yr)
3
Health-Based
Location
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Water Systems Serving This Area (43)
Norwich Public Utilities
Scwa, Montville Division (Mtv)
Scwa, Tower-Ferry View Division
1 health-basedScwa, North Stonington Division (Nst)
Scwa, Mohegan Division
Oakdale Heights Association, Inc
1 health-basedScwa, Ledyard Center Division
Scwa, Chesterfield Division
Scwa, Hillcrest Division (Hlc)
Scwa, Robin Hill Division (Rbn)
Scwa, Cedar Ridge Division
All resolvedSunny Waters Mobile Home Park
Scwa, Barrett Division (Bar)
Scwa, Ferry View Heights Division (Fvh)
Scwa, Chriswood Division (Cwd)
Scwa, Birchwood Division (Bwd)
Green Village Ii
Scwa, Lantern Hill Division (Lnh)
Lincoln Park Elderly Housing
1 health-basedScwa-Riverside Mall
Snach Bar Ice Cream
Scwa, Seven Oaks (Oak)
Preston Community Park - 13 Rt 117
Lee Yantz
Holmberg Orchard Store
Faith Tabernacle Church
Ledyard/Gales Ferry Baptist Church
Lee Yantz, Town Hall
Dow Chemical Usa
Preston Senior Center
Mcdonalds
Preston Community Park - 10 Lincoln Rd
Lee Yantz
Lee Yantz
Preston Town Hall
Our Lady Of Lourdes Church/Hall
St. Lukes Lutheran Church
George Flanzer,Great Oak Pizza
George Flanzer
Preston Public Library
Ledyard Senior Center
Community Of Christ
Scwa, Gray Farms Division (Grf)
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 (06335) has more violations than 73% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 14.
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.