Water Quality in Norwich, CT (06340)
EPA violation data for public water systems serving ZIP code 06340.
Active Health Violations
2 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 83% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
29,863
Population
46
Water Systems
27
Violations (5yr)
2
Health-Based
Location
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Water Systems Serving This Area (46)
Norwich Public Utilities
Groton Utilities
All resolvedGroton Long Point Association
Noank Fire District
All resolvedNortheast Center For Live Roleplaying
Village Apartments
Martha Carrol
Warren Atwood
Riverview Farm Seabird Enterprises
1 health-basedTees Plus
Gr Companies, Inc.
Aqua-Massage International
261 & 263-271 Route 163
Colonial Terrace Apts
Oak Tree Plaza
Farquhar Park
Center Groton Fire House
Atwood Shopping Center
345 Gold Star Highway - Groton
Long Cove Mobile Home Park
Griswold Sand & Stone (Soneco/Northeaste
Martha Carrol
Harry Rock
Harry Rock
Naval Submarine Base,N London
Edward Sugru
Joe Hickey Sr
Howard Horton
Great Brook Golf Course
Ralph Main
Shantok, Village Of Uncas/Shop Well
Center Groton Fire District
Christ United Methodist Church
All resolvedDolphin Trailer Park
Oakridge Village - System 2
Dot Maint Garage (Groton)
Flagship Motel
Tim Hortons
Church Of Christ
Lp Whalen
Robert Pumerantz
Scwa, Eastern Division (Est)
W C Flynn
Farquar Park
Farquhar Park
Seabird Enterprises, Inc.
1 health-basedContaminants Found
Missed testing deadlines — not a detection of bacteria.
Annual water quality report delivery requirement.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
How Does This Compare?
Norwich (06340) has more violations than 83% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 27.
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.