Local water quality
Water quality in Southwest Harbor, Maine
1 public water system · EPA data
The bottom line
EPA records for the water serving Southwest Harbor, Maine show Total Trihalomethanes, Lead. A filter independently certified to reduce those exact contaminants is the most direct fix.
What's in Southwest Harbor's water
Contaminants EPA has recorded across Southwest Harbor's water systems, and how many certified filters remove each.
The water system serving Southwest Harbor
Open a system for its full report — measured levels vs. federal limits, PFAS, and the certified filters that remove each contaminant.
Filter your Southwest Harbor water
Match a certified filter to what's actually in your water — a filter certified for lead may do nothing for PFAS or fluoride.