Water Service Outages in Oregon by City
88% of Oregon's 938 community water systems serve 3,300 people or fewer, so many outages and boil water notices affect a single small town or subdivision.
Oregon drinking water record
Busiest year: 2024 (198 violations). Counted by the year the violation period began. Source: EPA SDWIS.
- Community water systems: 938 active systems serve about 3,747,651 people. 821 of them (88%) serve 3,300 people or fewer; 689 draw mainly on groundwater and 234 on surface water.
- Health-based violations since 2015: 1,261, at 330 systems (35% of all systems). That share is 33rd of 50 states (1 = lowest).
- Most common problems: contaminant averages over the limit (449); surface water treatment (285); monthly turbidity (82). Source: EPA SDWIS
- Largest system: Portland Water Bureau, about 666,200 people, with 1 health-based violation since 2015. Source: EPA SDWIS
- Housing age: the median Oregon home was built in 1981 (US 1980). Source: US Census Bureau, ACS 2020–2024 (table B25035)
| System | People served | Main source | Health violations since 2015 |
|---|---|---|---|
| Portland Water Bureau | 666,200 | Surface water | 1 |
| Tualatin Valley Water District | 224,600 | Bought surface water | 0 |
| Salem Public Works | 199,820 | Surface water | 0 |
| Eugene Water & Electric Board | 176,000 | Surface water | 0 |
| Medford Water Commission | 106,068 | Surface water | 0 |
| Hillsboro, City Of | 92,632 | Bought surface water | 0 |
Source: EPA SDWIS.
Oregon is 4th of 5 (1 = lowest share). Source: EPA SDWIS.
Checked September 2026.
Who to call in Oregon, city by city
5 Oregon cities on this site and the water utility for each. What to do while you wait is in our water service outage guide.
- Portland Portland Water Bureau
- Eugene Eugene Water & Electric Board (EWEB)
- Salem City of Salem Public Works
- Gresham City of Gresham Water
- Hillsboro City of Hillsboro Water Department
Frequently asked questions
Is there a water service outage in Oregon right now?
Not on this site: no reports from Oregon in the last 24 hours.
How many public water systems are in Oregon?
EPA records list 938 active community water systems in Oregon, serving about 3,747,651 people. 88% serve 3,300 people or fewer.
How common are drinking water violations in Oregon?
Since 2015, 330 of 938 community water systems in Oregon (35%) have had at least one health-based violation, 1,261 in total.
What is the largest water system in Oregon?
Portland Water Bureau, which EPA records list as serving about 666,200 people.
Report counts are user-submitted; other figures name their official source. How our data works
Cities in Oregon with Water Service Outages Information
Eugene
no reports in the last 24 hours · pop. 176,654
Eugene Water & Electric Board (EWEB)
Gresham
no reports in the last 24 hours · pop. 114,247
City of Gresham Water
Hillsboro
no reports in the last 24 hours · pop. 106,894
City of Hillsboro Water Department
Portland
no reports in the last 24 hours · pop. 652,503
Portland Water Bureau
Salem
no reports in the last 24 hours · pop. 174,365
City of Salem Public Works