Lopez Island, WA · San Juan County
MacKaye Harbor Water District Water System
Consumer Confidence Report status
MacKaye Harbor Water District must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for MacKaye Harbor Water District.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Washington’s official records. Always confirm current status with Washington before making decisions based on this information.
System facts
- System ID (PWSID)
- WA5312911
- System type
- Community Water System
- Population served
- 133
- Service connections
- 53
- Ownership
- local government
- Water source
- groundwater (wells)
MacKaye Harbor Water District is one of 3,227 community water systems in Washington in the 500 or fewer people size category, serving 133 people from groundwater.
As of August 1, 2026, its federal record holds 2 entries between 2000 and 2021, all of which EPA lists as closed. Nothing has been added since 2021.
Of the 2, 1 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Consumer Confidence Rule and the Total Coliform Rules.
Violation history
Consumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2021 – October 5, 2021
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
May 1, 2000 – May 31, 2000
Archived
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2021 – October 5, 2021 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| May 1, 2000 – May 31, 2000 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- October 5, 2021State Compliance achieved1 linked violation
- May 1, 2018State Compliance achieved1 linked violation
- September 22, 2014State Compliance achieved1 linked violation
- July 31, 1992State Violation/Reminder Notice1 linked violation
Common questions
Is MacKaye Harbor Water District required to publish a Consumer Confidence Report?
- Yes. MacKaye Harbor Water District is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is MacKaye Harbor Water District’s next Consumer Confidence Report due?
- MacKaye Harbor Water District’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does MacKaye Harbor Water District have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for MacKaye Harbor Water District.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
MacKaye Harbor Water District
Phone not on record
Lopez Island, WA 98261