Water Quality in Portland, ME (04079)
EPA violation data for public water systems serving ZIP code 04079.
Active Health Violations
6 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 89% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
4,026
Population
17
Water Systems
48
Violations (5yr)
6
Health-Based
Location
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Water Systems Serving This Area (17)
Portland Water District-Greater
All resolvedEstes Iii On Holbrooks Wharf
Sundrenched
1 health-basedCaptain'S Table Restaurant
Dolphin Marina & Restaurant
Block & Tackle
Auburn Colony Dining Hall
4 health-basedThe Harpswell Inn
1 health-basedHarpswell Coastal Academy
All resolvedSchool House Cafe
J Hathaways Rest/Tavern
Birch Island Water System
Merrimans Cove Association Inc
Great Island Lobster Barn
Safe Harbor Great Island
All resolvedPot Luck Catering
Cundys Harbor Community Hall
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
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?
Portland (04079) has more violations than 89% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 48.
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.
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.