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