Tap water in Canyon Lake, TX — ZIP 78163
2 public water systems serving about 77,169 people. PFAS "forever chemicals" have been detected here.
F
Failing
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 78163
Clwsc Canyon Lake Shores
PWSID TX0460019 · serves 44,196 ·
surface water
6 health-based / 11 total violations (5 yrs)
· PFAS up to 7.1 ppt
Sjwtx Triple Peak Plant
PWSID TX0460172 · serves 32,973 ·
surface water
1 health-based / 4 total violations (5 yrs)
· PFAS up to 12.5 ppt — above federal limit
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology