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