Not health advice. Contact your local water utility for concerns.
Data from EPA Water Quality Reports. For official information, contact your water utility or health department.
Maine Water Quality Reports
Water quality scores for 15 cities in Maine
Sanford
21,982 residents
Presque Isle
8,797 residents
Biddeford
21,990 residents
Scarborough
22,135 residents
Westbrook
20,400 residents
Bangor
31,753 residents
Saco
20,381 residents
Augusta
18,697 residents
Portland
68,408 residents
Auburn
24,061 residents
Lewiston
36,221 residents
Gorham
18,336 residents
Waterville
15,828 residents
Brunswick
20,278 residents
South Portland
26,498 residents
About Maine Water Quality
This state's water quality reflects local geographic conditions, industrial activities, and water infrastructure. Water quality can vary significantly between communities, with some areas enjoying excellent tap water while others face contamination challenges requiring treatment.
Based on our analysis of 15 cities in Maine, the average water quality score is 83/100. 1 cities have water quality scores below 70, indicating potential concerns that residents should be aware of. The highest-rated city is South Portland with a score of 69/100, while Sanford has the most room for improvement at 95/100.
Water Sources in Maine
Water sources typically include a combination of surface water (rivers, lakes, reservoirs) and groundwater. The specific sources serving your community depend on local geography and infrastructure. Check your local water utility's Consumer Confidence Report for details about your water source.
Common Water Contaminants in Maine
These contaminants have been detected in various Maine water systems
Maine Water Regulations
State environmental and health agencies oversee drinking water quality in compliance with federal EPA standards. Public water systems are required to test regularly and report results to residents through annual Consumer Confidence Reports.
Health Considerations
Water quality concerns vary by location. Common issues include lead from older plumbing, agricultural runoff in rural areas, and industrial contamination near manufacturing sites. Check your local water quality report and consider testing if you have specific concerns.
Recommendations for Maine Residents
Review your annual Consumer Confidence Report to understand local water quality. Consider having your water tested if you use a private well or have concerns about your plumbing. Water filters certified to remove specific contaminants can address most common water quality issues.
Frequently Asked Questions About Maine Water Quality
Is Maine's tap water safe to drink?
Most Maine cities have tap water that meets EPA safety standards. With an average score of 83/100 across 15 cities we analyzed, Maine generally has good water quality. However, water quality varies by location, so check your specific city's report.
What are the main water quality concerns in Maine?
The most common water quality concerns in Maine include disinfection byproducts (chlorination), lead (older infrastructure), nitrates (agricultural areas). These contaminants can come from natural sources, industrial activities, or aging infrastructure. Review your city's specific report to see which contaminants affect your area.
Should I use a water filter in Maine?
Whether you need a water filter depends on your specific location and health concerns. With 1 cities in Maine showing elevated contaminant levels, residents in those areas may benefit from filtration. Look for filters certified by NSF/ANSI to remove the specific contaminants found in your area.
Where can I find my Maine water quality report?
Public water systems in Maine are required to provide annual Consumer Confidence Reports (CCRs) to residents. You can usually find your report on your water utility's website, request it by phone, or access it through the EPA's database. Our city-level reports above summarize key information from these official sources.