Utilities in Illinois
27,127 systems (SDWIS/Fed snapshot). Search or browse pages — open any row for PFAS monitoring, violation counts, and filter recommendations.
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ST LUKE LUTHERAN CHURCH
IL3033670 · 26 served
ST MARK'S EPISCOPAL SCHOOL
IL3099853 · 90 served
ST MARKS DAY CARE
IL0027490 · 260 served
ST MARKS DAY CARE
IL3027490 · 260 served
ST MARKS DAY SCHOOL
IL3117762 · 60 served
ST MARY CHURCH & SCHOOL WELL#1
IL3047159 · 83 served
ST MARY CHURCH & SCHOOL WELL#2
IL3111690 · 174 served
ST MARY COPTIC CHURCH
IL3135038 · 200 served
ST MARY EDUCATIONAL CENTER
IL3046680 · 150 served
ST MARY LOURDES CHURCH
IL0061267 · 25 served
ST MARY LOURDES CHURCH
IL3061267 · 25 served
ST MARY MAGDALENE SCHOOL
IL3058206 · 25 served
ST MARY OF VERNON CHURCH
IL3130104 · 800 served
ST MARY OF VERNON PARISH CNTR
IL3130112 · 300 served
ST MARY PENTECOSTAL CHURCH
IL3078352 · 100 served
ST MARY SCHOOL
IL3047126 · 300 served
ST MARY'S CATHOLIC CHURCH
IL0066761 · 70 served
ST MARY'S CATHOLIC CHURCH
IL0032276 · 150 served
ST MARY'S CATHOLIC CHURCH
IL3032276 · 150 served
ST MARY'S CATHOLIC CHURCH
IL3066761 · 70 served
ST MARY'S CHURCH
IL0078402 · 25 served
ST MARY'S CHURCH
IL0056309 · 180 served
ST MARY'S CHURCH
IL3056309 · 180 served
ST MARY'S GRADE SCHOOL
IL0020719 · 200 served
ST MARY'S HOSPITAL
IL0026187 · 25 served
ST MARY'S HOSPITAL
IL3026187 · 25 served
ST MARY'S OF HELP CATHOLIC CHU
IL0020792 · 385 served
ST MARY'S OF HELP CATHOLIC CHU
IL3020792 · 385 served
ST MARY'S PARISH DRILLED WELL
IL3140723 · 140 served
ST MARY'S SCHOOL
IL0090886 · 75 served
ST MARY'S SCHOOL
IL3090886 · 75 served
ST MARY'S SEMINARY A
IL3087601 · 100 served
ST MARY'S SEMINARY B
IL3087593 · 100 served
ST MARY'S SLOVENIAN CATHOLIC CENTER
IL3136556 · 400 served
ST MARYS BAPTIST CHURCH
IL0036467 · 25 served
ST MARYS BAPTIST CHURCH
IL3036467 · 25 served
ST MARYS CATHOLIC CHURCH
IL3158816 · 25 served
ST MARYS CATHOLIC CHURCH
IL0030833 · 25 served
ST MARYS CATHOLIC CHURCH
IL3030833 · 25 served
ST MARYS CHURCH
IL0028746 · 400 served
ST MARYS CHURCH
IL3028746 · 400 served
ST MARYS CHURCH & SCHOOL
IL3020719 · 150 served
ST MARYS CHURCH AND SCHOOL
IL0068585 · 50 served
ST MARYS CHURCH AND SCHOOL
IL3068585 · 50 served
ST MARYS OF FREMONT CHURCH
IL3147835 · 500 served
ST MARYS OF LOURDES CHURCH
IL3140251 · 400 served
ST MARYS SCHOOL BORED WELL
IL3140715 · 140 served
ST MATHEWS SCHOOL & CHURCH
IL0019075 · 300 served
ST MATTHEW CHURCH
IL0096818 · 200 served
ST MATTHEW LUTHERAN SCHOOL
IL3019075 · 400 served