Tap water in Pasadena, CA — ZIP 91107

3 public water systems serving about 238,765 people. PFAS "forever chemicals" have been detected here.

Excellent

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 91107

Pasadena Water And Power

PWSID CA1910124 · serves 165,448 · surface water

0 health-based / 0 total violations (5 yrs)

Cal/Am Water Company - San Marino

PWSID CA1910139 · serves 48,065 · surface water

0 health-based / 0 total violations (5 yrs) · PFAS up to 5.3 ppt

Sunny Slope Water Co.

PWSID CA1910157 · serves 25,252 · groundwater

0 health-based / 1 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