Public water system record

City of West Richland

Serves West Richland, Benton County, WA · 21,231 people served

Federal records show no health-based violations and 3 monitoring/reporting issues for City of West Richland in the last ten years.

  • WA5394900
  • WEST RICHLAND
  • WA
  • 21,231 served

System profile

Source water Purchased surface water
ZIP 99353
EPA system ID WA5394900

Verify this system on EPA ECHO →

Health-based violations, last 10 years
0
Resolved
0
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
3

Key facts

  • City of West Richland draws water from 7 wells.
  • Record on file since 1979, with 1 health-based violation before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 223 service lines.

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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.

None since October 2016.

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Nitrate
Monitoring and reporting
Jan 1, 2021 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2020 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2020 Resolved

Full record since 1979

EPA's records for City of West Richland go back to 1979. Before October 19, 2016 they list 1 health-based violation (1 archived by EPA without a recorded fix) and 21 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 0 9
1990s 1 2
2000s 0 9
2010 to October 18, 2016 0 1
2020s 0 3

Most recent health-based violation before October 19, 2016: Total Coliform, began April 1996, Archived.

Show the health-based violation before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
Apr 1, 1996 Archived

Where the water comes from

City of West Richland draws water from 7 wells. It also buys water from City of Richland.

Buys water from

Annual water quality report

City of West Richland 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 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.

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.