Is San Sebastian, Puerto Rico tap water safe?
5 water systems report serving San Sebastian. Your water depends on which one serves your address. Check your bill if unsure.
A
San Sebastian
Serves 25,752 people · Surface water · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Latest lead 90th percentile on file is from 2015 (older than 5 years, not graded).
B
Lago Guajataca
Serves 10,018 people · Surface water · Full report →
1 health-based violation in the last 5 years; 4 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Latest lead 90th percentile on file is from 2016 (older than 5 years, not graded).
A
Wilfredo Valentin
Serves 1,239 people · Groundwater · Full report →
No health-based violations in the last 5 years; 1 monitoring/reporting violation; No UCMR 5 PFAS results on file; Latest lead 90th percentile on file is from 2006 (older than 5 years, not graded).
C
Acued. Rural Guacio
Serves 340 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 12 monitoring/reporting violations; 2 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile above the new 10 ppb action level (LCRI, effective Nov 1, 2027); Lead 90th percentile below the action level (2023).
C
Acueducto Rural Guadalupe Marti
Serves 81 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 41 monitoring/reporting violations; 3 not yet resolved; No UCMR 5 PFAS results on file.