Tap water in Boulder Creek, CA — ZIP 95018

2 public water systems serving about 26,004 people. PFAS "forever chemicals" have been detected here.

Fair

PFAS detected: at least one system serving this ZIP reported PFAS in EPA UCMR 5 testing. Levels and the 2024 federal limits are shown per system below.

Water systems serving 95018

San Lorenzo Valley Water Dist

PWSID CA4410014 · serves 21,513 · surface water

1 health-based / 2 total violations (5 yrs) · PFAS up to 3.4 ppt

Slvwd - Felton Water System

PWSID CA4410002 · serves 4,491 · surface water

1 health-based / 3 total violations (5 yrs)

Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology