Public water system record
City of Gresham
Serves Gresham, Multnomah County, OR · 73,932 people served
Federal records show no health-based violations and 2 monitoring/reporting issues for City of Gresham in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 2
Key facts
- City of Gresham buys its water from Portland Water Bureau and Rockwood PUD.
- Record on file since 1992, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 17,206 service lines.
Check whether City of Gresham serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
Full record since 1992
EPA's records for City of Gresham go back to 1992. Before October 19, 2016 they list no health-based violations and 19 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 12 |
| 2000s | 0 | 7 |
| 2020s | 0 | 2 |
Where the water comes from
City of Gresham buys its water from Portland Water Bureau and Rockwood PUD. It lists no wells or intakes of its own.
Buys water from
- Portland Water Bureau Portland, OR
- Rockwood PUD Portland, OR
Annual water quality report
City of Gresham must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Oregon.
Certified drinking water labs by state EPA guidance for private wells