All water systems in Oregon
2,555 systems
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Johnson Creek Water Service Lincoln County |
0 | 4 | 1 | |
|
Joint Water Commission Washington County |
0 | 0 | 0 | |
|
Lake Oswego Tigard Water Supply Clackamas County |
0 | 3 | 0 | |
|
North Clackamas County WC Clackamas County |
0 | 1 | 0 | |
|
South Fork Water Board Clackamas County |
0 | 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 still 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 Oregon 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. Retrieved from ECHO on Oct 11, 2026.