All water systems in Pennsylvania
11 systems
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Philadelphia Water Department Philadelphia County |
1,950,098 | 0 | 0 | |
|
Philadelphia Suburban Water CO Montgomery County |
900,000 | 0 | 0 | |
|
Queen Lane Water Plant Philadelphia · Philadelphia County |
535,000 | 0 | 0 | |
|
Belmont Water Treatment Plant Philadelphia · Philadelphia County |
320,000 | 0 | 0 | |
|
Philadelphia Suburban Water CO Chester County |
130,000 | 0 | 0 | |
|
Philadelphia Suburban Water CO Chester County |
10,816 | 0 | 0 | |
|
Philadelphia Suburban Water CO Chester County |
5,788 | 0 | 0 | |
|
Philadelphia Suburban Water CO Chester County |
2,800 | 0 | 0 | |
|
Philadelphia Suburban Water CO Chester County |
1,200 | 0 | 0 | |
|
Philadelphia Suburban Water CO Chester County |
694 | 0 | 0 | |
|
Philadelphia Soft Pretzel CO Bucks County |
75 | 0 | 0 |
About this data
Rules violated counts the rules a system was in violation of in the past three years, including monitoring and reporting lapses; one rule can carry several violations. Unresolved is the number of those rules currently in violation at EPA's latest data refresh.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Pennsylvania records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet.