Grandview, WA · Benton County

Wilgus Housing Water System 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): WA53AB933
System type: Community Water System
Population served: 220
Service connections: 7
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Styrene
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Toluene
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Benzene
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Ethylbenzene
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Vinyl chloride
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Carbon tetrachloride
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Trichloroethylene
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Tetrachloroethylene
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
CHLOROBENZENE
October 1, 2024 – December 31, 2024
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 2024 – December 31, 2024
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2021 – June 6, 2024
Resolved
Monitoring, Regular
—
Styrene
January 1, 2019 – March 31, 2019
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
January 1, 2019 – May 18, 2020
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
Benzene
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
Toluene
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
November 1, 2015 – November 30, 2015
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 2015 – September 30, 2015
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 2008 – December 31, 2008
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 2024 – December 31, 2024	Monitoring, Regular	Styrene	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	Toluene	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	Benzene	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	Ethylbenzene	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	Vinyl chloride	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	Carbon tetrachloride	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	Trichloroethylene	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	Tetrachloroethylene	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2024 – December 31, 2024	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
January 1, 2021 – June 6, 2024	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	Styrene	—	Resolved
January 1, 2019 – May 18, 2020	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	Benzene	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	Toluene	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	Ethylbenzene	—	Resolved
November 1, 2015 – November 30, 2015	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
September 1, 2015 – September 30, 2015	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2008 – December 31, 2008	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

April 1, 2025State Compliance achieved1 linked violation
March 20, 2025State Compliance achieved20 linked violations
June 6, 2024State Compliance achieved1 linked violation
May 18, 2020State Compliance achieved1 linked violation
August 8, 2019State Compliance achieved20 linked violations
December 31, 2015State Compliance achieved1 linked violation
October 31, 2015State Compliance achieved1 linked violation
January 1, 2011State Compliance achieved1 linked violation
January 1, 2009State Compliance achieved1 linked violation
January 1, 2009State Compliance achieved3 linked violations
January 1, 2009State Compliance achieved6 linked violations
January 1, 2009State Compliance achieved1 linked violation

Contact

Wilgus Housing Water System

Phone not on record

Grandview, WA 98930-0249