GRESHAM, OR · Multnomah County
GRESHAM, CITY OF Water System
Consumer Confidence Report status
GRESHAM, CITY OF must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for GRESHAM, CITY OF.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Oregon’s official records. Always confirm current status with Oregon before making decisions based on this information.
System facts
- System ID (PWSID)
- OR4100357
- System type
- Community Water System
- Population served
- 73,932
- Service connections
- 17,513
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
GRESHAM, CITY OF is among the 9 largest community water systems in Oregon, serving 73,932 people from surface water.
As of August 1, 2026, its federal record holds 13 entries between 1992 and 2022, all of which EPA lists as closed. Nothing has been added since 2022.
All 13 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Total Coliform Rules, the Stage 2 Disinfectants and Disinfection Byproducts Rule, and the Stage 1 Disinfectants and Disinfection Byproducts Rule.
Violation history
Monitoring and Reporting (DBP)
—TTHM
July 1, 2022 – September 30, 2022
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
July 1, 2022 – September 30, 2022
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
July 1, 2007 – September 30, 2007
ResolvedMonitoring and Reporting (DBP)
—TTHM
July 1, 2007 – September 30, 2007
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
February 1, 2006 – February 28, 2006
ResolvedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
September 1, 2002 – September 30, 2002
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
March 1, 2000 – March 31, 2000
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
February 1, 2000 – February 29, 2000
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
June 1, 1993 – June 30, 1993
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
May 1, 1993 – May 31, 1993
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
February 1, 1993 – February 28, 1993
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
December 1, 1992 – December 31, 1992
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
August 1, 1992 – August 31, 1992
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2022 – September 30, 2022 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| July 1, 2022 – September 30, 2022 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| July 1, 2007 – September 30, 2007 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| July 1, 2007 – September 30, 2007 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| February 1, 2006 – February 28, 2006 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| September 1, 2002 – September 30, 2002 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Resolved |
| March 1, 2000 – March 31, 2000 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| February 1, 2000 – February 29, 2000 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| June 1, 1993 – June 30, 1993 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| May 1, 1993 – May 31, 1993 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| February 1, 1993 – February 28, 1993 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| December 1, 1992 – December 31, 1992 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| August 1, 1992 – August 31, 1992 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- December 19, 2022State Compliance achieved2 linked violations
- January 25, 2017State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- September 23, 2008State Compliance achieved2 linked violations
- November 9, 2000State Compliance achieved1 linked violation
Common questions
Is GRESHAM, CITY OF required to publish a Consumer Confidence Report?
- Yes. GRESHAM, CITY OF is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is GRESHAM, CITY OF’s next Consumer Confidence Report due?
- GRESHAM, CITY OF’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does GRESHAM, CITY OF have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for GRESHAM, CITY OF.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
GRESHAM, CITY OF
503-618-2900
GRESHAM, OR 97030