Rosalia, WA · Whitman County

MALDEN WATER DEPT 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 Washington’s official records. Always confirm current status with Washington before making decisions based on this information.

System facts

System ID (PWSID): WA5350550
System type: Community Water System
Population served: 215
Service connections: 65
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Nitrate
January 1, 2022 – December 31, 2022
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2020 – June 4, 2021
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2011 – December 31, 2019
Resolved
Monitoring, Regular
—
Selenium
January 1, 2011 – December 31, 2019
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2011 – December 31, 2019
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2011 – December 31, 2019
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2011 – December 31, 2019
Resolved
Monitoring, Regular
—
Barium
January 1, 2011 – December 31, 2019
Resolved
Monitoring, Regular
—
Cadmium
January 1, 2011 – December 31, 2019
Resolved
Monitoring, Regular
—
Chromium
January 1, 2011 – December 31, 2019
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 2011 – December 31, 2019
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2011 – December 31, 2019
Resolved
Monitoring, Regular
—
Mercury
January 1, 2011 – December 31, 2019
Resolved
Monitoring, Regular
—
Nickel
January 1, 2011 – December 31, 2019
Resolved
Monitoring, Regular
—
Nitrite
January 1, 2011 – December 31, 2019
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2010 – October 14, 2010
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 2010 – May 31, 2010
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2007 – December 31, 2007
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2006 – December 31, 2007
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 2005 – July 31, 2005
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 1998 – October 31, 1998
Archived
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
October 19, 1994 – November 18, 1994
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 1993 – October 31, 1993
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 1992 – December 31, 1992
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
November 1, 1992 – November 30, 1992
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 1992 – May 31, 1992
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 1, 1979 – October 31, 1979
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
January 1, 2022 – December 31, 2022	Monitoring, Regular	Nitrate	—	Resolved
July 1, 2020 – June 4, 2021	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2016 – December 31, 2016	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2011 – December 31, 2019	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2011 – December 31, 2019	Monitoring, Regular	Selenium	—	Resolved
January 1, 2011 – December 31, 2019	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2011 – December 31, 2019	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 2011 – December 31, 2019	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2011 – December 31, 2019	Monitoring, Regular	Barium	—	Resolved
January 1, 2011 – December 31, 2019	Monitoring, Regular	Cadmium	—	Resolved
January 1, 2011 – December 31, 2019	Monitoring, Regular	Chromium	—	Resolved
January 1, 2011 – December 31, 2019	Monitoring, Regular	CYANIDE	—	Resolved
January 1, 2011 – December 31, 2019	Monitoring, Regular	Fluoride	—	Resolved
January 1, 2011 – December 31, 2019	Monitoring, Regular	Mercury	—	Resolved
January 1, 2011 – December 31, 2019	Monitoring, Regular	Nickel	—	Resolved
January 1, 2011 – December 31, 2019	Monitoring, Regular	Nitrite	—	Resolved
July 1, 2010 – October 14, 2010	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
May 1, 2010 – May 31, 2010	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2007 – December 31, 2007	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2006 – December 31, 2007	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Nitrate	—	Resolved
July 1, 2005 – July 31, 2005	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
October 1, 1998 – October 31, 1998	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
October 19, 1994 – November 18, 1994	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Archived
October 1, 1993 – October 31, 1993	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
December 1, 1992 – December 31, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
November 1, 1992 – November 30, 1992	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
May 1, 1992 – May 31, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

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

Enforcement actions

July 26, 2023State Compliance achieved1 linked violation
June 4, 2021State Compliance achieved1 linked violation
August 19, 2020State Compliance achieved13 linked violations
July 11, 2017State Compliance achieved1 linked violation
October 14, 2010State Compliance achieved1 linked violation
June 30, 2010State Compliance achieved1 linked violation
December 31, 2007State Compliance achieved8 linked violations
August 23, 2007State Compliance achieved4 linked violations
August 23, 2007State Compliance achieved11 linked violations
August 23, 2007State Compliance achieved9 linked violations
January 1, 2007State Compliance achieved4 linked violations
January 1, 2007State Compliance achieved10 linked violations
January 1, 2007State Compliance achieved6 linked violations
December 31, 1992State Violation/Reminder Notice1 linked violation
May 31, 1992State Violation/Reminder Notice1 linked violation

Contact

MALDEN WATER DEPT

Phone not on record

Rosalia, WA 99170-0006