ST HELENS, OR · Washington County

CROWN MOBILE HOME PARK Water System

Current status

1 item on record is open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

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): OR4101009
System type: Community Water System
Population served: 42
Service connections: 22
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2025
Unaddressed
Maximum Contaminant Level Violation, E. coli (RTCR)
Health-based
Revised Total Coliform Rule
September 1, 2025 – September 30, 2025
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2025 – September 30, 2025
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2024 – December 4, 2024
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2024 – July 26, 2024
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
June 1, 2023 – June 30, 2023
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2022 – March 10, 2023
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2016 – September 30, 2018
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2016 – September 30, 2018
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2014 – December 31, 2016
Archived
Monitoring, Regular
—
Chlordane
January 1, 2014 – December 31, 2016
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2014 – December 31, 2016
Archived
Monitoring, Regular
—
Diquat
January 1, 2014 – December 31, 2016
Archived
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2014 – December 31, 2016
Archived
Monitoring, Regular
—
Pentachlorophenol
January 1, 2014 – December 31, 2016
Archived
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2014 – December 31, 2016
Archived
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2014 – December 31, 2016
Archived
Monitoring, Regular
—
2,4,5-TP
January 1, 2014 – December 31, 2016
Archived
Monitoring, Regular
—
Picloram
January 1, 2014 – December 31, 2016
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2014 – December 31, 2016
Archived
Monitoring, Regular
—
Simazine
January 1, 2014 – December 31, 2016
Archived
Monitoring, Regular
—
OXAMYL
January 1, 2014 – December 31, 2016
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2014 – December 31, 2016
Archived
Monitoring, Regular
—
Glyphosate
January 1, 2014 – December 31, 2016
Archived
Monitoring, Regular
—
Endothall
January 1, 2014 – December 31, 2016
Archived
Monitoring, Regular
—
Endrin
January 1, 2014 – December 31, 2016
Archived
Monitoring, Regular
—
BHC-GAMMA
January 1, 2014 – December 31, 2016
Archived
Monitoring, Regular
—
Methoxychlor
January 1, 2014 – December 31, 2016
Archived
Monitoring, Regular
—
Toxaphene
January 1, 2014 – December 31, 2016
Archived
Monitoring, Regular
—
Dalapon
January 1, 2014 – December 31, 2016
Archived
Monitoring, Regular
—
2,4-D
January 1, 2014 – December 31, 2016
Archived
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2014 – December 31, 2016
Archived
Monitoring, Regular
—
Heptachlor
January 1, 2014 – December 31, 2016
Archived
Monitoring, Regular
—
LASSO
January 1, 2014 – December 31, 2016
Archived
Monitoring, Regular
—
Atrazine
January 1, 2014 – December 31, 2016
Archived
Monitoring, Regular
—
Carbofuran
January 1, 2014 – December 31, 2016
Archived
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2014 – December 31, 2016
Archived
Monitoring, Regular
—
Dinoseb
January 1, 2014 – December 31, 2016
Archived
Monitoring, Regular
—
Endothall
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Simazine
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Picloram
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Styrene
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2004 – August 31, 2004
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 2004 – June 30, 2004
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 2004 – May 31, 2004
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 2004 – April 30, 2004
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 19, 2003 – January 24, 2008
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2003 – February 26, 2004
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 2002 – November 30, 2002
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2002 – December 31, 2010
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 2002 – December 31, 2010
Resolved
Monitoring, Regular
—
Chromium
January 1, 2002 – December 31, 2010
Resolved
Monitoring, Regular
—
Cadmium
January 1, 2002 – December 31, 2010
Resolved
Monitoring, Regular
—
Barium
January 1, 2002 – December 31, 2010
Resolved
Monitoring, Regular
—
Nitrite
January 1, 2002 – December 31, 2010
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Selenium
January 1, 2002 – December 31, 2010
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2002 – December 31, 2010
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2002 – December 31, 2010
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2002 – December 31, 2010
Resolved
Monitoring, Regular
—
Nickel
January 1, 2002 – December 31, 2010
Resolved
Monitoring, Regular
—
Mercury
January 1, 2002 – December 31, 2010
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 1991 – April 30, 1991
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
June 1, 1976 – May 31, 1980
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
June 1, 1976 – May 31, 1980
Archived

Unaddressed no corrective action on record yetResolved 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, 2025	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Unaddressed
September 1, 2025 – September 30, 2025	Maximum Contaminant Level Violation, E. coli (RTCR)	Revised Total Coliform Rule	Health-based	Resolved
July 1, 2025 – September 30, 2025	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 1, 2024 – December 4, 2024	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2024 – July 26, 2024	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
June 1, 2023 – June 30, 2023	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
October 1, 2022 – March 10, 2023	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2016 – September 30, 2018	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2016 – September 30, 2018	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
January 1, 2014 – December 31, 2016	Monitoring, Regular	Chlordane	—	Archived
January 1, 2014 – December 31, 2016	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
January 1, 2014 – December 31, 2016	Monitoring, Regular	Diquat	—	Archived
January 1, 2014 – December 31, 2016	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Archived
January 1, 2014 – December 31, 2016	Monitoring, Regular	Pentachlorophenol	—	Archived
January 1, 2014 – December 31, 2016	Monitoring, Regular	Benzo(a)pyrene	—	Archived
January 1, 2014 – December 31, 2016	Monitoring, Regular	HEXACHLOROBENZENE	—	Archived
January 1, 2014 – December 31, 2016	Monitoring, Regular	2,4,5-TP	—	Archived
January 1, 2014 – December 31, 2016	Monitoring, Regular	Picloram	—	Archived
January 1, 2014 – December 31, 2016	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Archived
January 1, 2014 – December 31, 2016	Monitoring, Regular	Simazine	—	Archived
January 1, 2014 – December 31, 2016	Monitoring, Regular	OXAMYL	—	Archived
January 1, 2014 – December 31, 2016	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Archived
January 1, 2014 – December 31, 2016	Monitoring, Regular	Glyphosate	—	Archived
January 1, 2014 – December 31, 2016	Monitoring, Regular	Endothall	—	Archived
January 1, 2014 – December 31, 2016	Monitoring, Regular	Endrin	—	Archived
January 1, 2014 – December 31, 2016	Monitoring, Regular	BHC-GAMMA	—	Archived
January 1, 2014 – December 31, 2016	Monitoring, Regular	Methoxychlor	—	Archived
January 1, 2014 – December 31, 2016	Monitoring, Regular	Toxaphene	—	Archived
January 1, 2014 – December 31, 2016	Monitoring, Regular	Dalapon	—	Archived
January 1, 2014 – December 31, 2016	Monitoring, Regular	2,4-D	—	Archived
January 1, 2014 – December 31, 2016	Monitoring, Regular	Heptachlor epoxide	—	Archived
January 1, 2014 – December 31, 2016	Monitoring, Regular	Heptachlor	—	Archived
January 1, 2014 – December 31, 2016	Monitoring, Regular	LASSO	—	Archived
January 1, 2014 – December 31, 2016	Monitoring, Regular	Atrazine	—	Archived
January 1, 2014 – December 31, 2016	Monitoring, Regular	Carbofuran	—	Archived
January 1, 2014 – December 31, 2016	Monitoring, Regular	Hexachlorocyclopentadiene	—	Archived
January 1, 2014 – December 31, 2016	Monitoring, Regular	Dinoseb	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Endothall	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Simazine	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Picloram	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Styrene	—	Resolved
August 1, 2004 – August 31, 2004	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
June 1, 2004 – June 30, 2004	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
May 1, 2004 – May 31, 2004	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 2004 – April 30, 2004	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 19, 2003 – January 24, 2008	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2003 – February 26, 2004	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
November 1, 2002 – November 30, 2002	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2002 – December 31, 2010	Monitoring, Regular	Fluoride	—	Resolved
January 1, 2002 – December 31, 2010	Monitoring, Regular	CYANIDE	—	Resolved
January 1, 2002 – December 31, 2010	Monitoring, Regular	Chromium	—	Resolved
January 1, 2002 – December 31, 2010	Monitoring, Regular	Cadmium	—	Resolved
January 1, 2002 – December 31, 2010	Monitoring, Regular	Barium	—	Resolved
January 1, 2002 – December 31, 2010	Monitoring, Regular	Nitrite	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2002 – December 31, 2010	Monitoring, Regular	Selenium	—	Resolved
January 1, 2002 – December 31, 2010	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 2002 – December 31, 2010	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2002 – December 31, 2010	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2002 – December 31, 2010	Monitoring, Regular	Nickel	—	Resolved
January 1, 2002 – December 31, 2010	Monitoring, Regular	Mercury	—	Resolved
January 1, 2001 – December 31, 2001	Monitoring, Regular	Nitrate	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Thallium, Total	—	Resolved
April 1, 1991 – April 30, 1991	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
June 1, 1976 – May 31, 1980	Monitoring, Regular	Combined Radium (-226 and -228)	—	Archived
June 1, 1976 – May 31, 1980	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

Unaddressed no corrective action on record yetResolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

November 10, 2025State Compliance achieved1 linked violation
September 30, 2025State Compliance achieved1 linked violation
September 14, 2025State Public Notification received1 linked violation
September 5, 2025State Public Notification requested1 linked violation
December 4, 2024State Compliance achieved1 linked violation
July 26, 2024State Compliance achieved1 linked violation
March 10, 2023State Compliance achieved1 linked violation
August 9, 2019State Compliance achieved3 linked violations
December 6, 2012State Compliance achieved2 linked violations
December 6, 2012State Compliance achieved2 linked violations
December 6, 2012State Compliance achieved2 linked violations
December 6, 2012State Compliance achieved2 linked violations
December 6, 2012State Compliance achievedgeneral compliance action — not tied to a specific violation on record
December 6, 2012State Compliance achieved1 linked violation
December 6, 2012State Compliance achieved1 linked violation
December 6, 2012State Compliance achieved2 linked violations
February 22, 2011State Violation/Reminder Notice14 linked violations
January 24, 2008State Compliance achieved5 linked violations
June 8, 2006State Compliance achieved4 linked violations
February 2, 2005State Compliance achieved33 linked violations
June 19, 2001State Compliance achieved1 linked violation
June 19, 2001State Compliance achieved1 linked violation
June 19, 2001State Compliance achieved1 linked violation
February 14, 1995State Compliance achieved2 linked violations
December 19, 1994State Compliance achieved1 linked violation
November 4, 1994State Formal Notice of Violation issued1 linked violation

Contact

CROWN MOBILE HOME PARK

503-312-9206

ST HELENS, OR 97051