Public water system record

Wilgus Housing Water System

On record as serving Benton County, WA · Serves 220 people

Federal records show 1 health-based violation and 42 monitoring/reporting issues for Wilgus Housing Water System in the last ten years. The most serious issue in this window was a resolved Nitrate violation.

  • WA53AB933
  • GRANDVIEW
  • WA
  • 220 served

System profile

Source water Groundwater
ZIP 98930
EPA system ID WA53AB933

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
Yes
Monitoring issues, last 10 years
42

Key facts

  • Wilgus Housing Water System draws water from 1 well.
  • Highest measured level in the last 10 years: Nitrate, 10.1 mg/L, federal limit 10 mg/L (at or just above the limit), 2024.
  • Record on file since 2008, with 1 health-based violation before October 19, 2016.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
Nitrate
Contaminant limit exceeded
Measured 10.1 mg/L, federal limit 10 mg/L (at or just above the limit)
330 Jan 1, 2024 Resolved Yes

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Styrene
Monitoring and reporting
Oct 1, 2024 Resolved
Ethylbenzene
Monitoring and reporting
Oct 1, 2024 Resolved
Toluene
Monitoring and reporting
Oct 1, 2024 Resolved
Benzene
Monitoring and reporting
Oct 1, 2024 Resolved
CHLOROBENZENE
Monitoring and reporting
Oct 1, 2024 Resolved
Tetrachloroethylene
Monitoring and reporting
Oct 1, 2024 Resolved
1,1,2-Trichloroethane
Monitoring and reporting
Oct 1, 2024 Resolved
Trichloroethylene
Monitoring and reporting
Oct 1, 2024 Resolved
1,2-Dichloropropane
Monitoring and reporting
Oct 1, 2024 Resolved
Carbon tetrachloride
Monitoring and reporting
Oct 1, 2024 Resolved
1,1,1-Trichloroethane
Monitoring and reporting
Oct 1, 2024 Resolved
1,2-Dichloroethane
Monitoring and reporting
Oct 1, 2024 Resolved
trans-1,2-Dichloroethylene
Monitoring and reporting
Oct 1, 2024 Resolved
1,1-Dichloroethylene
Monitoring and reporting
Oct 1, 2024 Resolved
Vinyl chloride
Monitoring and reporting
Oct 1, 2024 Resolved
p-Dichlorobenzene
Monitoring and reporting
Oct 1, 2024 Resolved
o-Dichlorobenzene
Monitoring and reporting
Oct 1, 2024 Resolved
DICHLOROMETHANE
Monitoring and reporting
Oct 1, 2024 Resolved
cis-1,2-Dichloroethylene
Monitoring and reporting
Oct 1, 2024 Resolved
1,2,4-Trichlorobenzene
Monitoring and reporting
Oct 1, 2024 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2021 Resolved
Styrene
Monitoring and reporting
Jan 1, 2019 Resolved
Ethylbenzene
Monitoring and reporting
Jan 1, 2019 Resolved
Toluene
Monitoring and reporting
Jan 1, 2019 Resolved
Benzene
Monitoring and reporting
Jan 1, 2019 Resolved
CHLOROBENZENE
Monitoring and reporting
Jan 1, 2019 Resolved
Tetrachloroethylene
Monitoring and reporting
Jan 1, 2019 Resolved
1,1,2-Trichloroethane
Monitoring and reporting
Jan 1, 2019 Resolved
Trichloroethylene
Monitoring and reporting
Jan 1, 2019 Resolved
1,2-Dichloropropane
Monitoring and reporting
Jan 1, 2019 Resolved
Carbon tetrachloride
Monitoring and reporting
Jan 1, 2019 Resolved
1,1,1-Trichloroethane
Monitoring and reporting
Jan 1, 2019 Resolved
1,2-Dichloroethane
Monitoring and reporting
Jan 1, 2019 Resolved
trans-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2019 Resolved
1,1-Dichloroethylene
Monitoring and reporting
Jan 1, 2019 Resolved
Vinyl chloride
Monitoring and reporting
Jan 1, 2019 Resolved
p-Dichlorobenzene
Monitoring and reporting
Jan 1, 2019 Resolved
o-Dichlorobenzene
Monitoring and reporting
Jan 1, 2019 Resolved
DICHLOROMETHANE
Monitoring and reporting
Jan 1, 2019 Resolved
cis-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2019 Resolved
1,2,4-Trichlorobenzene
Monitoring and reporting
Jan 1, 2019 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2019 Resolved

Full record since 2008

EPA's records for Wilgus Housing Water System go back to 2008. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 2 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2000s 1 0
2010 to October 18, 2016 0 2
October 19, 2016 to 2019 0 21
2020s 1 21

Most recent health-based violation before October 19, 2016: Nitrate (acute), began January 2008, Resolved.

Show the health-based violation before October 19, 2016
Contaminant Start date Status
Nitrate (acute)
Contaminant limit exceeded
Measured 11.7 mg/L, federal limit 10 mg/L (1.2 times the limit)
Jan 1, 2008 Resolved

What the violations mean

Nitrate

1 incident

Nitrate exceeded the federal limit

High nitrate is especially dangerous for infants under 6 months and can cause blue baby syndrome

Where the water comes from

Wilgus Housing Water System draws water from 1 well.

Annual water quality report

Wilgus Housing Water System must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Wilgus Housing Water System for a copy.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Washington.