Tap water in Guayanilla, PR — ZIP 00656
3 public water systems serving about 14,073 people. PFAS "forever chemicals" have been detected here.
C
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 00656
Guayanilla Urbano
PWSID PR0004054 · serves 7,302 ·
groundwater
0 health-based / 0 total violations (5 yrs)
· PFAS up to 5.5 ppt — above federal limit
Deportivo
PWSID PR0004444 · serves 3,420 ·
groundwater
0 health-based / 0 total violations (5 yrs)
Piedras Blancas
PWSID PR0004474 · serves 3,351 ·
groundwater
0 health-based / 0 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