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Public water system record

Township 29 Water Association

Serves an area of Island County, WA · 42 people served

Federal records show 13 health-based violations and 7 monitoring/reporting issues for Township 29 Water Association in the last ten years. The most serious issue in this window was a Total Trihalomethanes (TTHMs) violation that EPA lists as archived, not resolved.

  • WA5300484
  • MT VERNON
  • WA
  • 42 served

System profile

Source water Groundwater
ZIP 98273
EPA system ID WA5300484

Verify this system on EPA ECHO →

Health-based violations, last 10 years
13
Resolved
2
Unresolved
0
Archived by EPA
11
Any acute record
No
Monitoring issues, last 10 years
7

Key facts

  • Township 29 Water Association draws water from 2 wells.
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 212.7 µg/L, federal limit 80 µg/L (2.7 times the limit), 2023.
  • Most recent formal enforcement: compliance order (no penalty) by Washington, February 2023.
  • Record on file since 1979, with 4 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 25 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.

Contaminant Rule family Start date Status Acute
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 123.65 µg/L, federal limit 80 µg/L (1.5 times the limit)
 220 Oct 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 158.53 µg/L, federal limit 80 µg/L (2 times the limit)
 220 Jul 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 145.38 µg/L, federal limit 80 µg/L (1.8 times the limit)
 220 Apr 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 128.75 µg/L, federal limit 80 µg/L (1.6 times the limit)
 220 Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 132.83 µg/L, federal limit 80 µg/L (1.7 times the limit)
 220 Oct 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 112.03 µg/L, federal limit 80 µg/L (1.4 times the limit)
 220 Jul 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 108.8 µg/L, federal limit 80 µg/L (1.4 times the limit)
 220 Apr 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 120.7 µg/L, federal limit 80 µg/L (1.5 times the limit)
 220 Oct 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 156.9 µg/L, federal limit 80 µg/L (2 times the limit)
 220 Jul 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 173.6 µg/L, federal limit 80 µg/L (2.2 times the limit)
 220 Apr 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 212.7 µg/L, federal limit 80 µg/L (2.7 times the limit)
 220 Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 83.4 µg/L, federal limit 80 µg/L (at or just above the limit)
 220 Jul 1, 2018 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 87.8 µg/L, federal limit 80 µg/L (1.1 times the limit)
 220 Apr 1, 2018 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Arsenic
Monitoring and reporting
 Oct 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Haloacetic Acids (HAA5)
Monitoring and reporting
 Jul 1, 2022 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
 Jul 1, 2022 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
 Jul 1, 2017 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
 Jul 1, 2017 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
 Jan 1, 2017 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
 Jan 1, 2017 Resolved

Full record since 1979

EPA's records for Township 29 Water Association go back to 1979. Before October 19, 2016 they list 4 health-based violations (2 resolved, 2 archived by EPA without a recorded fix) and 33 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 0 8
1990s 1 1
2000s 1 20
2010 to October 18, 2016 2 4
October 19, 2016 to 2019 2 4
2020s 11 3

Most recent health-based violation before October 19, 2016: Arsenic, began October 2011, Resolved.

Show all 4 health-based violations before October 19, 2016
Contaminant Start date Status
Arsenic
Contaminant limit exceeded
Measured 0.025 mg/L, federal limit 0.01 mg/L (2.5 times the limit)
 Oct 1, 2011 Resolved
Arsenic
Contaminant limit exceeded
 Jan 1, 2010 Resolved
Total Coliform
Contaminant limit exceeded
 Jul 1, 2004 Archived
Total Coliform
Contaminant limit exceeded
 Aug 1, 1993 Archived

Enforcement actions

Washington regulators took 1 formal enforcement action against Township 29 Water Association in 2023. The most recent was a compliance order (no penalty) in February 2023.

Date By Action Violations covered
Feb 23, 2023 Washington Compliance order (no penalty) 11 violations (11 health-based): Total Trihalomethanes (TTHMs)

What the violations mean

Total Trihalomethanes (TTHMs)

13 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Where the water comes from

Township 29 Water Association draws water from 2 wells.

Annual water quality report

Township 29 Water Association 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 Township 29 Water Association 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.

Certified drinking water labs by state EPA guidance for private wells