Utilities in Maryland
8,042 systems (SDWIS/Fed snapshot). Search or browse pages — open any row for PFAS monitoring, violation counts, and filter recommendations.
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ST. JOHN'S CATHOLIC PREP HIGH SCHOOL
MD1100070 · 600 served
ST. JOHN'S CHAPEL
MD1091148 · 25 served
ST. JOHNS
MD1191084 · 25 served
ST. JOHNS EPISCOPAL CHURCH
MD1031157 · 106 served
ST. JOHNS LUTHERAN CHURCH
MD1061096 · 100 served
ST. JOHNS SCHOOL (CONNECT TO 018-0007)
MD1180051 · 0 served
ST. JOSEPH'S CATHOLIC COMM.
MD1061181 · 25 served
ST. LAURENT FOREST PRODUCTS
MD1190001 · 40 served
ST. LEONARD
MD0040013 · 350 served
ST. LUKES LUTH. CH. RETREAT
MD1101257 · 25 served
ST. LUKES WINTERS LUTHERAN CHURCH
MD1061097 · 100 served
ST. MARGARETS LEARN CENT.(I/C MD0020017)
MD1020075 · 0 served
ST. MARK UNITED METH. CHRIST
MD1191085 · 25 served
ST. MARKS CHURCH - MULTIPURPOSE
MD1121316 · 503 served
ST. MARKS EPISCOPAL CHURCH
MD1131107 · 205 served
ST. MARKS UNION CHURCH
MD1061257 · 60 served
ST. MARTINS BY THE BAY
MD0230008 · 120 served
ST. MARY INDUSTRIAL PARK
MD1180060 · 25 served
ST. MARY'S BAPTIST CHURCH
MD1191086 · 25 served
ST. MARY'S BAPTIST CHURCH
MD1191087 · 25 served
ST. MARY'S CARING, INC
MD1181018 · 54 served
ST. MARY'S HOUSE
MD1181216 · 25 served
ST. MARYS BRYANTOWN CATHOLIC SCHOOL
MD1080026 · 791 served
ST. MARYS CHURCH
MD1151030 · 50 served
ST. MARYS CO. ADULT DAY SERVICES
MD1180047 · 41 served
ST. MARYS EVAN. LUTHERAN CHURCH
MD1061098 · 50 served
ST. MARYS EVANGELICAL LUTHERAN CHURCH
MD1061344 · 0 served
ST. MARYS NURSING HOME
MD1090017 · 25 served
ST. MARYS UNITED CHURCH OF CHRIST
MD1061099 · 75 served
ST. MD. SHELLFISH HATCHERY
MD1190020 · 25 served
ST. MICHAEL'S CATHOLIC CHURCH
MD1161085 · 25 served
ST. MICHAEL'S INN
MD1201045 · 28 served
ST. MICHAEL'S SCHOOL
MD1180053 · 180 served
ST. PAUL
MD0080076 · 4,450 served
ST. PAUL EVANGELICAL LUTHERAN CHURCH
MD1061224 · 35 served
ST. PAUL'S EPISCOPAL CHURCH
MD1161118 · 25 served
ST. PAUL'S LUTHERAN CHURCH
MD1131109 · 73 served
ST. PAULS BRICK UNITED METHODIST CHURCH
MD1061235 · 30 served
ST. PAULS CHURCH
MD1141069 · 129 served
ST. PAULS LUTHERAN CHURCH
MD1101181 · 25 served
ST. PAULS METH. CHURCH
MD1191088 · 25 served
ST. PAULS UNITED METHODIST CHURCH
MD1121192 · 35 served
ST. PETERS SCHOOL
MD1080027 · 493 served
ST. PETERS UME
MD1191089 · 25 served
ST. PHILLIP'S CHAPEL
MD1161087 · 25 served
ST. STEPHEN SCHOOL
MD1030038 · 350 served
ST. STEPHENS EPISCOPAL CHURCH
MD1031313 · 210 served
ST. THOMAS CHURCH
MD1091149 · 25 served
ST. THOMAS PARISH SCHOOL
MD1160030 · 32 served
ST. TIMOTHY'S SCHOOL
MD1030035 · 25 served