Marshall, WA · Spokane County

PIONEER WATER COMPANY 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): WA5324885
System type: Community Water System
Population served: 443
Service connections: 165
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2024 – February 26, 2025
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2024 – December 31, 2024
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2021 – October 4, 2021
Resolved
Monitoring, Regular
—
Styrene
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
Vinyl chloride
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
Trichloroethylene
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
Benzene
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
Toluene
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
Ethylbenzene
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
Nitrate
January 1, 2016 – December 31, 2016
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2016 – December 31, 2016
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2015 – September 28, 2015
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2013 – September 3, 2013
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Nickel
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Selenium
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Antimony, Total
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Beryllium, Total
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Thallium, Total
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Barium
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Arsenic
January 1, 2005 – December 31, 2007
Archived
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Cadmium
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Chromium
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
CYANIDE
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Fluoride
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Mercury
January 1, 2005 – December 31, 2007
Archived
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2004 – December 31, 2005
Resolved

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
July 1, 2024 – February 26, 2025	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Nitrate	—	Resolved
July 1, 2021 – October 4, 2021	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2020 – December 31, 2025	Monitoring, Regular	Styrene	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	DICHLOROMETHANE	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	o-Dichlorobenzene	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	p-Dichlorobenzene	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	Vinyl chloride	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	1,2-Dichloroethane	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	Carbon tetrachloride	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	1,2-Dichloropropane	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	Trichloroethylene	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	1,1,2-Trichloroethane	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	Tetrachloroethylene	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	CHLOROBENZENE	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	Benzene	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	Toluene	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	Ethylbenzene	—	Archived
January 1, 2016 – December 31, 2016	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2016 – December 31, 2016	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2015 – September 28, 2015	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2013 – September 3, 2013	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Nickel	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Selenium	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Antimony, Total	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Beryllium, Total	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Thallium, Total	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Barium	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Arsenic	—	Archived
January 1, 2005 – December 31, 2005	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Cadmium	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Chromium	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	CYANIDE	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Fluoride	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Mercury	—	Archived
January 1, 2004 – December 31, 2005	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved

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

Enforcement actions

September 29, 2025State Compliance achieved1 linked violation
September 4, 2025State Administrative/Compliance Order without penalty issued1 linked violation
February 26, 2025State Compliance achieved1 linked violation
October 4, 2021State Compliance achieved1 linked violation
September 28, 2021State Compliance achieved1 linked violation
October 8, 2019State Compliance achieved1 linked violation
September 13, 2017State Compliance achieved1 linked violation
September 28, 2015State Compliance achieved1 linked violation
October 20, 2014State Compliance achieved1 linked violation
September 3, 2013State Compliance achieved1 linked violation
May 27, 2010State Compliance achieved1 linked violation
December 31, 2005State Compliance achieved12 linked violations
December 31, 2005State Compliance achieved9 linked violations
December 28, 2005State Compliance achieved12 linked violations

Contact

PIONEER WATER COMPANY

Phone not on record

Marshall, WA 99020