Grandview, WA · Benton County
Wilgus Housing Water System Water System
Consumer Confidence Report status
Wilgus Housing Water System 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 Wilgus Housing Water System.
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)
- WA53AB933
- System type
- Community Water System
- Population served
- 121
- Service connections
- 7
- Ownership
- privately owned
- Water source
- groundwater (wells)
Wilgus Housing Water System is one of 3,227 community water systems in Washington in the 500 or fewer people size category, serving 121 people from groundwater.
As of August 1, 2026, its federal record holds 46 entries between 2008 and 2024, all of which EPA lists as closed.
Of the 46, 44 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 volatile organic chemicals, inorganic chemicals, and the Lead and Copper Rule.
Violation history
Monitoring, Regular
—Styrene
October 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—Toluene
October 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—Benzene
October 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—Ethylbenzene
October 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
October 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
October 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—DICHLOROMETHANE
October 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—o-Dichlorobenzene
October 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—p-Dichlorobenzene
October 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—Vinyl chloride
October 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
October 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
October 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—1,2-Dichloroethane
October 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
October 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—Carbon tetrachloride
October 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—1,2-Dichloropropane
October 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—Trichloroethylene
October 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
October 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—Tetrachloroethylene
October 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—CHLOROBENZENE
October 1, 2024 – December 31, 2024
ResolvedMaximum Contaminant Level Violation, Single Sample
Health-basedNitrate
January 1, 2024 – December 31, 2024
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
January 1, 2021 – June 6, 2024
ResolvedMonitoring, Regular
—Styrene
January 1, 2019 – March 31, 2019
ResolvedInitial Tap Sampling for Pb and Cu
—Lead and Copper Rule
January 1, 2019 – May 18, 2020
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—Benzene
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—Toluene
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
November 1, 2015 – November 30, 2015
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
September 1, 2015 – September 30, 2015
ResolvedMaximum Contaminant Level Violation, Single Sample
Health-basedNitrate
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
Common questions
Is Wilgus Housing Water System required to publish a Consumer Confidence Report?
- Yes. Wilgus Housing Water System 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 Wilgus Housing Water System’s next Consumer Confidence Report due?
- Wilgus Housing Water System’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does Wilgus Housing Water System have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for Wilgus Housing Water System.
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
Wilgus Housing Water System
Phone not on record
Grandview, WA 98930-0249