San Sebastian, Puerto Rico Water Violations

4 water systems serve San Sebastian, Puerto Rico, providing drinking water to an estimated 25,799 people. These systems have 42 health-based violations on record, meaning contaminant levels exceeded EPA maximum contaminant levels (MCLs) or required treatment standards were not met.

Select a water system below to see its full violation history, lead and copper testing results, and compliance status.

Water SystemPopulation ServedSourceViolationsHealth-Based
San Sebastian 24,449 Surface Water 92 36
Acued. Rural Guacio 340 Groundwater 85 5
Acueducto Rural Guadalupe Marti 81 Groundwater 73 1
Wilfredo Valentin 929 Groundwater 14 0