HILLSBORO, OR · Washington County
SOUTH HILLS WATER SYSTEM 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)
- OR4100306
- System type
- Community Water System
- Population served
- 250
- Service connections
- 105
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Monitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
October 1, 2016 – September 30, 2019
ResolvedMonitoring and Reporting (DBP)
—TTHM
October 1, 2016 – September 30, 2019
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2014 – September 30, 2016
ArchivedMonitoring and Reporting (DBP)
—TTHM
January 1, 2014 – September 30, 2016
ArchivedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2008 – December 31, 2010
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Arsenic
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
August 1, 1992 – August 31, 1992
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
July 1, 1991 – July 31, 1991
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
April 1, 1991 – April 30, 1991
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
June 1, 1976 – May 31, 1980
ArchivedMonitoring, Regular
—Combined Radium (-226 and -228)
June 1, 1976 – May 31, 1980
Archived
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 2016 – September 30, 2019 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| October 1, 2016 – September 30, 2019 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 2014 – September 30, 2016 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Archived |
| January 1, 2014 – September 30, 2016 | Monitoring and Reporting (DBP) | TTHM | — | Archived |
| January 1, 2008 – December 31, 2010 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Arsenic | — | Resolved |
| August 1, 1992 – August 31, 1992 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 1991 – July 31, 1991 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| April 1, 1991 – April 30, 1991 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| June 1, 1976 – May 31, 1980 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| June 1, 1976 – May 31, 1980 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
No enforcement actions on record for this system.
Contact
SOUTH HILLS WATER SYSTEM
503-318-4587
HILLSBORO, OR 97123