MALIN, OR · Klamath County

MALIN MUNICIPAL WATER Water System

Current status

1 open health-based violation on record as of July 4, 2026. See the violation history below for contaminant and status details.

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): OR4100504
System type: Community Water System
Population served: 815
Service connections: 309
Ownership: local government
Water source: groundwater (wells)

Violation history

LSL Inventory
Health-based
LEAD AND COPPER RULE REVISIONS
October 17, 2024
Unaddressed
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2024 – June 30, 2025
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2024 – June 30, 2025
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2023 – June 30, 2025
Resolved
Monitoring, Regular
—
Combined Uranium
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2017 – December 31, 2022
Archived
Monitoring, Source Water (GWR)
—
E. COLI
September 1, 2011 – July 13, 2012
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
September 1, 2011 – July 13, 2012
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Arsenic
April 1, 2008 – June 30, 2008
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2008 – March 31, 2008
Resolved
Monitoring, Regular
—
Arsenic
July 1, 2007 – September 30, 2007
Resolved
Monitoring, Regular
—
Arsenic
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2002 – December 31, 2002
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 1997 – August 31, 1997
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1997 – December 31, 1997
Resolved
Monitoring, Regular
—
Toluene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Arsenic
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Barium
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Cadmium
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Chromium
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Mercury
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Selenium
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Nickel
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Fluoride
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
2,4-D
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Dalapon
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Endothall
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Endrin
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Glyphosate
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Picloram
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Simazine
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
LASSO
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Diquat
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 1996 – December 31, 1998
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 1992 – June 30, 1992
Archived
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
June 1, 1992 – June 30, 1992
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 17, 2024	LSL Inventory	LEAD AND COPPER RULE REVISIONS	Health-based	Unaddressed
October 1, 2024 – June 30, 2025	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2024 – June 30, 2025	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2023 – June 30, 2025	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2020 – December 31, 2025	Monitoring, Regular	Combined Uranium	—	Archived
January 1, 2017 – December 31, 2022	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
September 1, 2011 – July 13, 2012	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
September 1, 2011 – July 13, 2012	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
October 1, 2008 – December 31, 2008	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
April 1, 2008 – June 30, 2008	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2008 – March 31, 2008	Monitoring, Regular	Arsenic	—	Resolved
July 1, 2007 – September 30, 2007	Monitoring, Regular	Arsenic	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	Nitrate	—	Resolved
August 1, 1997 – August 31, 1997	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 1997 – December 31, 1997	Monitoring, Regular	Nitrate	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Toluene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Arsenic	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Barium	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Cadmium	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Chromium	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Mercury	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	CYANIDE	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Selenium	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Nickel	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Fluoride	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	2,4-D	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Dalapon	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Endothall	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Endrin	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Glyphosate	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Picloram	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Simazine	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	LASSO	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Diquat	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
June 1, 1992 – June 30, 1992	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
June 1, 1992 – June 30, 1992	Monitoring, Repeat Minor (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

June 30, 2025State Compliance achieved3 linked violations
February 24, 2025State Compliance achievedgeneral compliance action — not tied to a specific violation on record
July 13, 2012State Compliance achieved2 linked violations
October 31, 2011State Violation/Reminder Notice2 linked violations
June 15, 2011State Compliance achieved8 linked violations
January 10, 2011State Compliance achieved7 linked violations
October 26, 2010State Violation/Reminder Notice1 linked violation
April 28, 2003State Compliance achieved2 linked violations
February 27, 2003State Compliance achieved1 linked violation
November 27, 2000State Public Notification received1 linked violation
March 14, 1998State Public Notification received65 linked violations
January 1, 1998State Compliance achieved1 linked violation

Contact

MALIN MUNICIPAL WATER

541-723-2021

MALIN, OR 97632