Is MALDEN WATER DEPT required to publish a Consumer Confidence Report?

Yes. MALDEN WATER DEPT is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is MALDEN WATER DEPT’s next Consumer Confidence Report due?

MALDEN WATER DEPT’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Rosalia, WA · Whitman County

MALDEN WATER DEPT Water System

Consumer Confidence Report status

MALDEN WATER DEPT must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show no open violations for MALDEN WATER DEPT.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)

MALDEN WATER DEPT is one of 3,227 community water systems in Washington in the 500 or fewer people size category, serving 215 people from groundwater.

As of August 1, 2026, its federal record holds 29 entries between 1979 and 2022, all of which EPA lists as closed. Nothing has been added since 2022.

Of the 29, 25 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves inorganic chemicals, the Total Coliform Rules, and the Consumer Confidence Rule.

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
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 1994 – September 30, 1994
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 1994 – August 31, 1994
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 1992 – December 31, 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
September 1, 1994 – September 30, 1994	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
August 1, 1994 – August 31, 1994	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
December 1, 1992 – December 31, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	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
August 23, 2007State Compliance achieved10 linked violations
August 23, 2007State Compliance achieved11 linked violations
August 23, 2007State Compliance achieved4 linked violations
December 31, 1992State Violation/Reminder Notice1 linked violation
May 31, 1992State Violation/Reminder Notice1 linked violation

Common questions

Is MALDEN WATER DEPT required to publish a Consumer Confidence Report?: Yes. MALDEN WATER DEPT is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is MALDEN WATER DEPT’s next Consumer Confidence Report due?: MALDEN WATER DEPT’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does MALDEN WATER DEPT have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for MALDEN WATER DEPT.
What is a Consumer Confidence Report?: A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

MALDEN WATER DEPT

Phone not on record

Rosalia, WA 99170-0006