TIGARD, OR · Washington County
TIGARD, CITY OF Water System
Current status
No open violations on record as of July 4, 2026.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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)
- OR4100878
- System type
- Community Water System
- Population served
- 62,500
- Service connections
- 20,500
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
Violation history
Monitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Combined Radium (-226 and -228)
October 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Combined Uranium
October 1, 2025 – December 31, 2025
ArchivedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2025 – March 31, 2025
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2025 – March 31, 2025
ResolvedMonitoring, Regular
—Barium
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Mercury
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—CYANIDE
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Chromium
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Cadmium
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Selenium
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Thallium, Total
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Beryllium, Total
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Antimony, Total
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Nickel
January 1, 2023 – December 31, 2025
ArchivedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
July 1, 2020 – September 30, 2020
ResolvedMonitoring and Reporting (DBP)
—TTHM
July 1, 2020 – September 30, 2020
ResolvedMaximum Contaminant Level Violation, Acute (TCR)
Health-basedColiform (TCR)
November 1, 2012 – November 30, 2012
ResolvedMonitoring, Repeat Minor (TCR)
—Coliform (TCR)
June 1, 1993 – June 30, 1993
Resolved
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Archived |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | Combined Uranium | — | Archived |
| January 1, 2025 – March 31, 2025 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2025 – March 31, 2025 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Barium | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Mercury | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | CYANIDE | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Chromium | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Cadmium | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Selenium | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Thallium, Total | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Beryllium, Total | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Antimony, Total | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Nickel | — | Archived |
| July 1, 2020 – September 30, 2020 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| July 1, 2020 – September 30, 2020 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| November 1, 2012 – November 30, 2012 | Maximum Contaminant Level Violation, Acute (TCR) | Coliform (TCR) | Health-based | Resolved |
| June 1, 1993 – June 30, 1993 | Monitoring, Repeat Minor (TCR) | Coliform (TCR) | — | Resolved |
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
Enforcement actions
No enforcement actions on record for this system.
Contact
TIGARD, CITY OF
503-718-2690
TIGARD, OR 97223