NORTH PLAINS, OR · Washington County

NORTH PLAINS WATER DEPARTMENT 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): OR4100576
System type: Community Water System
Population served: 3,663
Service connections: 1,749
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring and Reporting (DBP)
—
TTHM
January 1, 2025 – December 31, 2025
Archived
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2024 – October 2, 2024
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2024 – July 15, 2024
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
November 1, 2019 – November 30, 2019
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
June 1, 2014 – June 30, 2014
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2010 – September 30, 2010
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2010 – September 30, 2010
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
April 1, 2010 – June 30, 2010
Resolved
Monitoring and Reporting (DBP)
—
TTHM
April 1, 2010 – June 30, 2010
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2010 – March 31, 2010
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2010 – March 31, 2010
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2007 – December 31, 2007
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2007 – December 31, 2007
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2007 – September 30, 2007
Resolved
Monitoring and Reporting (DBP)
—
TTHM
April 1, 2007 – June 30, 2007
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
June 1, 1976 – May 31, 1980
Archived
Monitoring, Regular
—
Combined Radium (-226 and -228)
June 1, 1976 – May 31, 1980
Archived

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
January 1, 2025 – December 31, 2025	Monitoring and Reporting (DBP)	TTHM	—	Archived
October 1, 2024 – October 2, 2024	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2024 – July 15, 2024	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
November 1, 2019 – November 30, 2019	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
June 1, 2014 – June 30, 2014	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
April 1, 2010 – June 30, 2010	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
April 1, 2010 – June 30, 2010	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2010 – March 31, 2010	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2010 – March 31, 2010	Monitoring and Reporting (DBP)	TTHM	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2007 – September 30, 2007	Monitoring and Reporting (DBP)	TTHM	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring and Reporting (DBP)	TTHM	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2001 – December 31, 2001	Monitoring, Regular	Nitrate	—	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

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Enforcement actions

October 2, 2024State Compliance achieved1 linked violation
July 15, 2024State Compliance achieved1 linked violation
December 30, 2019State Compliance achieved1 linked violation
July 15, 2014State Compliance achieved1 linked violation
December 8, 2010State Compliance achieved1 linked violation
December 8, 2010State Compliance achieved1 linked violation
December 8, 2010State Compliance achieved1 linked violation
December 8, 2010State Compliance achieved1 linked violation
December 8, 2010State Compliance achieved1 linked violation
December 8, 2010State Compliance achieved1 linked violation
October 26, 2010State Violation/Reminder Notice2 linked violations
August 2, 2010State Violation/Reminder Notice2 linked violations
April 26, 2010State Violation/Reminder Notice2 linked violations
September 23, 2008State Compliance achieved6 linked violations
June 30, 1995State Compliance achieved1 linked violation
December 21, 1994State Compliance achieved1 linked violation
November 10, 1994State Public Notification received2 linked violations
November 4, 1994State Formal Notice of Violation issued2 linked violations

Contact

NORTH PLAINS WATER DEPARTMENT

503-647-5555

NORTH PLAINS, OR 97133