Maple Valley, WA · Snohomish County

INDIAN RIDGE WATER ASSOCIATION 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): WA5335639
System type: Community Water System
Population served: 216
Service connections: 88
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
August 1, 2025 – August 31, 2025
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2021 – August 12, 2024
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2015 – September 14, 2015
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2010 – October 28, 2010
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 1997 – November 30, 1997
Archived
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
October 1, 1992 – October 31, 1992
Archived
Monitoring, Regular
—
Barium
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Cadmium
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Chromium
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Fluoride
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Mercury
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Nitrate
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Selenium
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Arsenic
October 1, 1979 – October 31, 1979
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
August 1, 2025 – August 31, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2021 – August 12, 2024	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2015 – September 14, 2015	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2010 – October 28, 2010	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2005 – December 31, 2005	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
November 1, 1997 – November 30, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
October 1, 1992 – October 31, 1992	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Barium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Cadmium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Chromium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Fluoride	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Mercury	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Nitrate	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Selenium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Arsenic	—	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

September 30, 2025State Compliance achieved1 linked violation
August 12, 2024State Compliance achieved1 linked violation
September 14, 2015State Compliance achieved1 linked violation
December 2, 2013State Compliance achieved1 linked violation
October 24, 2012State Compliance achieved1 linked violation
November 7, 2011State Compliance achieved1 linked violation
October 28, 2010State Compliance achieved1 linked violation
November 11, 2005State Compliance achieved6 linked violations
August 31, 1992State Violation/Reminder Notice1 linked violation
October 31, 1991State Violation/Reminder Notice1 linked violation

Contact

INDIAN RIDGE WATER ASSOCIATION

Phone not on record

Maple Valley, WA 98038