Public water system record

Harris Custer Estates Water Assn

Serves an area of Island County, WA · 194 people served

Federal records show 1 health-based violation and 5 monitoring/reporting issues for Harris Custer Estates Water Assn in the last ten years. The most serious issue in this window was a resolved Revised Total Coliform Rule violation.

  • WA5317035
  • MT VERNON
  • WA
  • 194 served

System profile

Source water Groundwater
ZIP 98273
EPA system ID WA5317035

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
5

Key facts

  • Harris Custer Estates Water Assn draws water from 3 wells.
  • Record on file since 1979, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 63 unknown out of 63 service lines.

Check whether Harris Custer Estates Water Assn serves your address

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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
Revised Total Coliform Rule
Treatment technique failure
110 May 1, 2017 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Consumer Confidence Rule
OTHER
Jul 1, 2025 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2023 Active
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2022 Resolved
Nitrate
Monitoring and reporting
Jan 1, 2022 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2019 Resolved

Full record since 1979

EPA's records for Harris Custer Estates Water Assn go back to 1979. Before October 19, 2016 they list no health-based violations and 3 monitoring or reporting violations.

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

What the violations mean

Revised Total Coliform Rule

1 incident

The system did not meet a requirement of the Revised Total Coliform Rule

Coliform and E. coli rules protect against bacteria in the distribution system

Where the water comes from

Harris Custer Estates Water Assn draws water from 3 wells.

Annual water quality report

Harris Custer Estates Water Assn 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 Harris Custer Estates Water Assn 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.