Drinking Water Systems in SAN SEBASTIAN, Puerto Rico
6 water systems are reported for this city, with a combined service population of 38,030. The systems have 17 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving SAN SEBASTIAN
ACUED. RURAL GUACIO
340 served137 historical records13 recent
D
ACUEDUCTO RURAL GUADALUPE MARTI
81 served0 historical records
A
WILFREDO VALENTIN
1,239 served76 historical records1 recent
B
SAN SEBASTIAN
25,752 served130 historical records
A
LAGO GUAJATACA
10,018 served204 historical records3 recent
C
ACUEDUCTO COMUNAL SONADOR INC.
600 served71 historical records
A
EPA Contaminant Categories in Historical Violation Records
Coliform (TCR)218 records
Surface Water Treatment Rule102 records
Haloacetic Acids (HAA5)30 records
Interim Enhanced Surface Water Treatment Rule23 records
Cryptosporidium23 records
Total Trihalomethanes (TTHMs)22 records
Turbidity19 records
Total Coliform19 records
Lead and Copper Rule18 records
Revised Total Coliform Rule15 records
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.