Public water system record

Willeys Lake Terrace Water Assn

Serves an area of Whatcom County, WA · 180 people served

Federal records show 2 health-based violations and 1 monitoring/reporting issue for Willeys Lake Terrace Water Assn in the last ten years. The most serious issue in this window was a Nitrate violation that EPA lists as archived, not resolved.

  • WA5397110
  • FERNDALE
  • WA
  • 180 served

System profile

Source water Groundwater
ZIP 98248
EPA system ID WA5397110

Verify this system on EPA ECHO →

Health-based violations, last 10 years
2
Resolved
1
Unresolved
0
Archived by EPA
1
Any acute record
Yes
Monitoring issues, last 10 years
1

Key facts

  • Willeys Lake Terrace Water Assn draws water from 3 wells.
  • Highest measured level in the last 10 years: Nitrate, 11.6 mg/L, federal limit 10 mg/L (1.2 times the limit), 2025.
  • Record on file since 1979, with 1 health-based violation before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 45 service lines.

Check whether Willeys Lake Terrace Water Assn serves your address

Address suggestions by Mapbox

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
Nitrate
Contaminant limit exceeded
Measured 11.6 mg/L, federal limit 10 mg/L (1.2 times the limit)
330 Apr 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Yes
Nitrate
Contaminant limit exceeded
Measured 10.8 mg/L, federal limit 10 mg/L (1.1 times the limit)
330 Jan 1, 2024 Resolved Yes

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Revised Total Coliform Rule
Monitoring violation
May 1, 2021 Resolved

Full record since 1979

EPA's records for Willeys Lake Terrace Water Assn go back to 1979. Before October 19, 2016 they list 1 health-based violation (1 archived by EPA without a recorded fix) and 22 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 0 9
1990s 1 8
2000s 0 4
2010 to October 18, 2016 0 1
2020s 2 1

Most recent health-based violation before October 19, 2016: Total Coliform, began September 1992, Archived.

Show the health-based violation before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
Sep 1, 1992 Archived

What the violations mean

Nitrate

2 incidents

Nitrate exceeded the federal limit

High nitrate is especially dangerous for infants under 6 months and can cause blue baby syndrome

Where the water comes from

Willeys Lake Terrace Water Assn draws water from 3 wells.

Annual water quality report

Willeys Lake Terrace 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 Willeys Lake Terrace 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.