Water Quality in Norwich, CT (06330)
EPA violation data for public water systems serving ZIP code 06330.
No Health-Based Violations
None of the 24 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are8 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 62% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
3,327
Population
24
Water Systems
8
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (24)
Norwich Public Utilities
Sprague Water & Sewer Authority
All resolvedAmgraph Packaging, Inc.
All resolvedM S Chambers
Ozga Apts
Barbera Apts
Joe Bromley
Sprague Rod And Gun Club
Donald Allen
Salt Rock Campground-W2
Clinton Lathrop
Tj'S Cafe
51 West Main Street
Salt Rock Campground-W1
Walter Treat
Fran Rogers
Donald Allen
Salt Rock Campground - Well #2
Emile Liberty
Bill Rizzuto
Sids Mobil Station
Samuel Rollband
B W Service Center
Round Hill Llc - Well# 2
Contaminants Found
Annual water quality report delivery requirement.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Missed testing deadlines — not a detection of bacteria.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
How Does This Compare?
Norwich (06330) has more violations than 62% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 8, most of which are monitoring/reporting issues.
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.