Public water system record

McNeil Island Water

Serves an area of Pierce County, WA · 692 people served

Federal records show 14 health-based violations and 7 monitoring/reporting issues for McNeil Island Water in the last ten years, including an unresolved Surface Water Treatment Rule violation.

  • WA5352900
  • TUMWATER
  • WA
  • 692 served

System profile

Source water Groundwater
ZIP 98501
EPA system ID WA5352900

Verify this system on EPA ECHO →

Health-based violations, last 10 years
14
Resolved
9
Unresolved
5
Any acute record
No
Monitoring issues, last 10 years
7

Key facts

  • McNeil Island Water draws water from 1 well.
  • Most recent formal enforcement: compliance order (no penalty) by Washington, December 2020.
  • Record on file since 1979, with 3 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 14 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
Surface Water Treatment Rule
Treatment technique failure
120 Nov 1, 2022 Resolved No
Surface Water Treatment Rule
Treatment technique failure
120 Oct 1, 2022 Resolved No
Surface Water Treatment Rule
Treatment technique failure
120 Sep 1, 2022 Resolved No
Surface Water Treatment Rule
Treatment technique failure
120 Aug 1, 2022 Resolved No
Surface Water Treatment Rule
Treatment technique failure
120 Jul 1, 2022 Resolved No
Surface Water Treatment Rule
Treatment technique failure
120 Feb 1, 2021 Resolved No
Surface Water Treatment Rule
Treatment technique failure
120 Jan 1, 2021 Active
Enforcement action in place
No
Surface Water Treatment Rule
Treatment technique failure
120 Dec 1, 2020 Active
Enforcement action in place
No
Surface Water Treatment Rule
Treatment technique failure
120 Nov 1, 2020 Active
Enforcement action in place
No
Surface Water Treatment Rule
Treatment technique failure
120 Oct 1, 2020 Active
Enforcement action in place
No
Surface Water Treatment Rule
Treatment technique failure
120 Sep 1, 2020 Active
Enforcement action in place
No
Surface Water Treatment Rule
Treatment technique failure
120 Aug 1, 2020 Resolved No
Surface Water Treatment Rule
Treatment technique failure
120 Jul 1, 2020 Resolved No
Surface Water Treatment Rule
Treatment technique failure
120 Jun 1, 2020 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 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
Jan 1, 2019 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2019 Resolved
Nitrate
Monitoring and reporting
Jan 1, 2018 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jul 1, 2017 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jul 1, 2017 Resolved

Full record since 1979

EPA's records for McNeil Island Water go back to 1979. Before October 19, 2016 they list 3 health-based violations (3 archived by EPA without a recorded fix) and 32 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 0 1
1990s 2 3
2000s 1 7
2010 to October 18, 2016 0 21
October 19, 2016 to 2019 0 5
2020s 14 2

Most recent health-based violation before October 19, 2016: Total Coliform (acute), began August 2004, Archived.

Show all 3 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform (acute)
Contaminant limit exceeded
Aug 1, 2004 Archived
Surface Water Treatment Rule
Treatment technique failure
Dec 1, 1999 Archived
Surface Water Treatment Rule
Treatment technique failure
Feb 1, 1997 Archived

Enforcement actions

Washington regulators took 1 formal enforcement action against McNeil Island Water in 2020. The most recent was a compliance order (no penalty) in December 2020.

Date By Action Violations covered
Dec 8, 2020 Washington Compliance order (no penalty) 14 violations (14 health-based): Surface Water Treatment Rule

What the violations mean

Surface Water Treatment Rule

14 incidents

The system did not complete a treatment step or action that the Surface Water Treatment Rule requires (a treatment technique violation).

The utility had to notify customers about each of these violations.

Where the water comes from

McNeil Island Water draws water from 1 well.

Annual water quality report

McNeil Island Water 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.