Mt Vernon, WA · Island County
HARRIS CUSTER ESTATES WATER ASSN Water System
Consumer Confidence Report status
HARRIS CUSTER ESTATES WATER ASSN 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 1 item for HARRIS CUSTER ESTATES WATER ASSN that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
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)
- WA5317035
- System type
- Community Water System
- Population served
- 194
- Service connections
- 63
- Ownership
- privately owned
- Water source
- groundwater (wells)
HARRIS CUSTER ESTATES WATER ASSN is one of 3,227 community water systems in Washington in the 500 or fewer people size category, serving 194 people from groundwater.
As of August 1, 2026, its federal record holds 7 entries between 1979 and 2025, of which 1 remains open; none are health-based.
Of the 7, 5 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 Lead and Copper Rule, the Consumer Confidence Rule, and inorganic chemicals.
Violation history
Consumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2025 – October 6, 2025
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
January 1, 2023
UnaddressedMonitoring, Regular
—Nitrate
January 1, 2022 – December 31, 2022
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2022 – December 31, 2024
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
January 1, 2019 – September 19, 2022
ResolvedTreatment Technique, Level 1 Assessment (RTCR)
Health-basedRevised Total Coliform Rule
May 1, 2017 – August 29, 2017
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 1979 – October 31, 1979
Archived
Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2025 – October 6, 2025 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2023 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Unaddressed |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2022 – December 31, 2024 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 2019 – September 19, 2022 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| May 1, 2017 – August 29, 2017 | Treatment Technique, Level 1 Assessment (RTCR) | Revised Total Coliform Rule | Health-based | Resolved |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- October 6, 2025State Compliance achieved1 linked violation
- September 24, 2025State Compliance achieved1 linked violation
- March 29, 2023State Compliance achieved1 linked violation
- September 19, 2022State Compliance achieved1 linked violation
- August 29, 2017State Compliance achieved1 linked violation
Common questions
Is HARRIS CUSTER ESTATES WATER ASSN required to publish a Consumer Confidence Report?
- Yes. HARRIS CUSTER ESTATES WATER ASSN 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 HARRIS CUSTER ESTATES WATER ASSN’s next Consumer Confidence Report due?
- HARRIS CUSTER ESTATES WATER ASSN’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does HARRIS CUSTER ESTATES WATER ASSN have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 item for HARRIS CUSTER ESTATES WATER ASSN that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
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
HARRIS CUSTER ESTATES WATER ASSN
Phone not on record
Mt Vernon, WA 98273