THE DALLES, OR · Wasco County

ROWENA CREST MANOR Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of July 14, 2025. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in Wasco County, OR.

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): OR4100865
System type: Community Water System
Population served: 47
Service connections: 24
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
June 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Nitrate
January 1, 2025 – July 14, 2025
Archived
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2024 – July 14, 2025
Archived
Monitoring, Regular
—
Nitrate
January 1, 2024 – December 31, 2024
Archived
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2023 – July 14, 2025
Archived
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2023 – July 1, 2024
Resolved
Monitoring, Regular
—
Styrene
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
Xylenes, Total
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
Vinyl chloride
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
Trichloroethylene
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
Benzene
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
Toluene
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
Ethylbenzene
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
Endrin
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
BHC-GAMMA
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
Methoxychlor
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
Toxaphene
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
Dalapon
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
Diquat
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
Endothall
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
Glyphosate
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
OXAMYL
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
Simazine
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
Picloram
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
Dinoseb
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
Carbofuran
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
Atrazine
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
LASSO
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
Heptachlor
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
2,4-D
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
2,4,5-TP
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
Pentachlorophenol
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2023 – July 14, 2025
Archived
Monitoring, Regular
—
Chlordane
January 1, 2023 – July 14, 2025
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 2015 – September 30, 2015
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 2014 – December 31, 2014
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 2014 – September 30, 2014
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2013 – July 31, 2013
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
February 1, 2011 – February 28, 2011
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 2010 – May 31, 2010
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
January 1, 2004 – January 31, 2004
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
December 1, 2003 – December 31, 2003
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
November 1, 2003 – November 30, 2003
Resolved
OCCT/SOWT Treatment Installation/Demonstration
Health-based
Lead and Copper Rule
January 1, 2000 – January 29, 2001
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 1999 – August 31, 1999
Resolved
Initial, Follow-up, or Routine Source Water M/R
—
Lead and Copper Rule
June 1, 1996 – December 25, 2010
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 1996 – April 30, 1996
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 1995 – January 31, 1995
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 1994 – September 13, 1994
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
June 1, 2025 – June 30, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
January 1, 2025 – July 14, 2025	Monitoring, Regular	Nitrate	—	Archived
October 1, 2024 – July 14, 2025	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Nitrate	—	Archived
October 1, 2023 – July 14, 2025	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Archived
July 1, 2023 – July 1, 2024	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2023 – July 14, 2025	Monitoring, Regular	Styrene	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	Xylenes, Total	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	DICHLOROMETHANE	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	o-Dichlorobenzene	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	p-Dichlorobenzene	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	Vinyl chloride	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	1,2-Dichloroethane	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	Carbon tetrachloride	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	1,2-Dichloropropane	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	Trichloroethylene	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	1,1,2-Trichloroethane	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	Tetrachloroethylene	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	CHLOROBENZENE	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	Benzene	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	Toluene	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	Ethylbenzene	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	Endrin	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	BHC-GAMMA	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	Methoxychlor	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	Toxaphene	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	Dalapon	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	Diquat	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	Endothall	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	Glyphosate	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	OXAMYL	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	Simazine	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	Picloram	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	Dinoseb	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	Hexachlorocyclopentadiene	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	Carbofuran	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	Atrazine	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	LASSO	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	Heptachlor	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	Heptachlor epoxide	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	2,4-D	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	2,4,5-TP	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	HEXACHLOROBENZENE	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	Benzo(a)pyrene	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	Pentachlorophenol	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
January 1, 2023 – July 14, 2025	Monitoring, Regular	Chlordane	—	Archived
September 1, 2015 – September 30, 2015	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
December 1, 2014 – December 31, 2014	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
September 1, 2014 – September 30, 2014	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2013 – July 31, 2013	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
February 1, 2011 – February 28, 2011	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Nitrate	—	Resolved
May 1, 2010 – May 31, 2010	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2004 – January 31, 2004	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
December 1, 2003 – December 31, 2003	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
November 1, 2003 – November 30, 2003	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 2000 – January 29, 2001	OCCT/SOWT Treatment Installation/Demonstration	Lead and Copper Rule	Health-based	Resolved
August 1, 1999 – August 31, 1999	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
June 1, 1996 – December 25, 2010	Initial, Follow-up, or Routine Source Water M/R	Lead and Copper Rule	—	Resolved
April 1, 1996 – April 30, 1996	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 1995 – January 31, 1995	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 1994 – September 13, 1994	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	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

June 16, 2025State Public Notification received1 linked violation
November 15, 2017State Public Notification received1 linked violation
June 19, 2017State Public Notification received1 linked violation
October 23, 2015State Compliance achieved2 linked violations
October 8, 2014State Compliance achieved2 linked violations
August 20, 2013State Public Notification received2 linked violations
February 17, 2012State Compliance achieved2 linked violations
March 21, 2011State Violation/Reminder Notice2 linked violations
March 17, 2011State Compliance achieved1 linked violation
December 25, 2010State no longer subject to Rule2 linked violations
January 29, 2001State Compliance achieved1 linked violation
January 18, 2001Federal Compliance achieved2 linked violations
January 18, 2001State Compliance achieved3 linked violations
May 29, 1998State Administrative/Compliance Order with penalty issued1 linked violation
March 4, 1996State Public Notification received3 linked violations
September 13, 1994State Compliance achieved1 linked violation

Last known contact on file (system is inactive)

WILCOX, WYLESHA

541-980-1387

THE DALLES, OR 97058