Public water system record

Town of St John

Serves St. John, Whitman County, WA · 800 people served

Federal records show no health-based violations and 25 monitoring/reporting issues for Town of St John in the last ten years.

  • WA5375300
  • WASHTUCNA
  • WA
  • 800 served

System profile

Source water Groundwater
ZIP 99371
EPA system ID WA5375300

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
25

Key facts

  • Town of St John draws water from 4 wells.
  • Most recent formal enforcement: signed compliance agreement by Washington, June 1993.
  • Record on file since 1979, with 6 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 339 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
Pentachlorophenol
Monitoring and reporting
Oct 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
2,4,5-TP
Monitoring and reporting
Oct 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Dinoseb
Monitoring and reporting
Oct 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Picloram
Monitoring and reporting
Oct 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Dalapon
Monitoring and reporting
Oct 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Consumer Confidence Rule
OTHER
Jul 1, 2024 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2023 Resolved
Revised Total Coliform Rule
Monitoring violation
Oct 1, 2022 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2018 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2018 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2018 Resolved
Nitrate
Monitoring and reporting
Jan 1, 2017 Resolved
Thallium, Total
Monitoring and reporting
Jan 1, 2014 Resolved
Beryllium, Total
Monitoring and reporting
Jan 1, 2014 Resolved
Antimony, Total
Monitoring and reporting
Jan 1, 2014 Resolved
Selenium
Monitoring and reporting
Jan 1, 2014 Resolved
Nitrite
Monitoring and reporting
Jan 1, 2014 Resolved
Nickel
Monitoring and reporting
Jan 1, 2014 Resolved
Mercury
Monitoring and reporting
Jan 1, 2014 Resolved
Fluoride
Monitoring and reporting
Jan 1, 2014 Resolved
CYANIDE
Monitoring and reporting
Jan 1, 2014 Resolved
Chromium (total)
Monitoring and reporting
Jan 1, 2014 Resolved
Cadmium
Monitoring and reporting
Jan 1, 2014 Resolved
Barium
Monitoring and reporting
Jan 1, 2014 Resolved
Arsenic
Monitoring and reporting
Jan 1, 2014 Resolved

Full record since 1979

EPA's records for Town of St John go back to 1979. Before October 19, 2016 they list 6 health-based violations (6 archived by EPA without a recorded fix) and 17 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 0 1
1990s 5 2
2000s 1 1
2010 to October 18, 2016 0 13
October 19, 2016 to 2019 0 4
2020s 0 8

Most recent health-based violation before October 19, 2016: Total Coliform, began June 2006, Archived.

Show all 6 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
Jun 1, 2006 Archived
Total Coliform
Contaminant limit exceeded
Aug 1, 1994 Archived
Total Coliform
Contaminant limit exceeded
Jan 1, 1993 Archived
Total Coliform
Contaminant limit exceeded
Nov 1, 1992 Archived
Total Coliform
Contaminant limit exceeded
Oct 1, 1992 Archived
Total Coliform
Contaminant limit exceeded
Sep 1, 1992 Archived

Enforcement actions

Washington regulators took 1 formal enforcement action against Town of St John in 1993. The most recent was a signed compliance agreement in June 1993.

Date By Action Violations covered
Jun 25, 1993 Washington Signed compliance agreement 4 violations (4 health-based): Total Coliform

Where the water comes from

Town of St John draws water from 4 wells.

Annual water quality report

Town of St John 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.

Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.

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.