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Public water system record

Camano Sunset Water System

Serves Camano, Island County, WA · 47 people served

Federal records show 13 health-based violations and 3 monitoring/reporting issues for Camano Sunset Water System in the last ten years. The most serious issue in this window was a Haloacetic Acids (HAA5) violation that EPA lists as archived, not resolved.

  • WA5326951
  • MOUNT VERNON
  • WA
  • 47 served

System profile

Source water Groundwater
ZIP 98273
EPA system ID WA5326951

Verify this system on EPA ECHO →

Health-based violations, last 10 years
13
Resolved
0
Unresolved
0
Archived by EPA
13
Any acute record
No
Monitoring issues, last 10 years
3

Key facts

  • Camano Sunset Water System draws water from 1 well.
  • Highest measured level in the last 10 years: Haloacetic Acids (HAA5), 100.63 µg/L, federal limit 60 µg/L (1.7 times the limit), 2025.
  • Most recent formal enforcement: compliance order (no penalty) by Washington, May 2024.
  • Record on file since 2002, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 5 unknown out of 16 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
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 64.43 µg/L, federal limit 60 µg/L (1.1 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
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 69.6 µg/L, federal limit 60 µg/L (1.2 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 94.37 µg/L, federal limit 80 µg/L (1.2 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
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 78.63 µg/L, federal limit 60 µg/L (1.3 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 106 µg/L, federal limit 80 µg/L (1.3 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
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 100.63 µg/L, federal limit 60 µg/L (1.7 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 116.1 µg/L, federal limit 80 µg/L (1.5 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
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 91.9 µg/L, federal limit 60 µg/L (1.5 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 113.65 µg/L, federal limit 80 µg/L (1.4 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
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 70.5 µg/L, federal limit 60 µg/L (1.2 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 110.45 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
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 65.63 µg/L, federal limit 60 µg/L (1.1 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 110.87 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

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Total Trihalomethanes (TTHMs)
Monitoring and reporting
 Jan 1, 2025 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
 Jan 1, 2025 Resolved
Nitrate
Monitoring and reporting
 Jan 1, 2022 Resolved

Full record since 2002

EPA's records for Camano Sunset Water System go back to 2002. Before October 19, 2016 they list no health-based violations and 18 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2000s 0 18
2020s 13 3

Enforcement actions

Washington regulators took 1 formal enforcement action against Camano Sunset Water System in 2024. The most recent was a compliance order (no penalty) in May 2024.

Date By Action Violations covered
May 10, 2024 Washington Compliance order (no penalty) 13 violations (13 health-based): Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs)

What the violations mean

Haloacetic Acids (HAA5)

7 incidents

Haloacetic acid byproducts exceeded the federal limit

Long-term exposure to HAAs may increase cancer risk

Total Trihalomethanes (TTHMs)

6 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Where the water comes from

Camano Sunset Water System draws water from 1 well.

Annual water quality report

Camano Sunset Water System 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 Camano Sunset Water System 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