Water Quality in Stonington, ME (04681)
EPA violation data for public water systems serving ZIP code 04681.
Past Health-Based Violations
3 health-based violations were found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 14 monitoring/reporting violations.
More violations than 76% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
840
Population
13
Water Systems
17
Violations (5yr)
3
Health-Based
Location
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Water Systems Serving This Area (13)
Connie'S Restaurant, Inc.
Island Medical Center
All resolvedGreenlaws Rv Park & Campground
All resolvedBlue Hill Terrace
3 health-basedHolman Mountain Retreat
Cockatoo Portuguese Restaurant
All resolvedStonington Manor
Old Quarry Campground
Sedgwick Primary School
Smalls Trailer & Campsite
Island Childcare
Indigo
Long Cove Drive In
Contaminants Found
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Missed testing deadlines — not a detection of bacteria.
At high levels, nitrate can cause blue baby syndrome in infants.
A naturally occurring element that can cause cancer and other health effects at high levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
Copper (Cu)
Exceeds limitSampled: Jan 2023
How Does This Compare?
Stonington (04681) has more violations than 76% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 17.
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.