Mt Vernon, WA · Island County
ARROWHEAD BEACH COOP WATER ASSOC Water System
Current status
No open violations on record as of July 4, 2026.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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)
- WA5303000
- System type
- Community Water System
- Population served
- 167
- Service connections
- 82
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Maximum Contaminant Level Violation, Average
Health-basedTTHM
October 1, 2025 – December 31, 2025
ArchivedMaximum Contaminant Level Violation, Average
Health-basedTTHM
July 1, 2025 – September 30, 2025
ArchivedMaximum Contaminant Level Violation, Average
Health-basedTTHM
April 1, 2025 – June 30, 2025
ArchivedMaximum Contaminant Level Violation, Average
Health-basedTTHM
January 1, 2025 – March 31, 2025
ArchivedMaximum Contaminant Level Violation, Average
Health-basedTTHM
October 1, 2024 – December 31, 2024
ArchivedMaximum Contaminant Level Violation, Average
Health-basedTTHM
July 1, 2024 – September 30, 2024
ArchivedMaximum Contaminant Level Violation, Average
Health-basedTTHM
April 1, 2024 – June 30, 2024
ArchivedMaximum Contaminant Level Violation, Average
Health-basedTTHM
January 1, 2024 – March 31, 2024
ArchivedMaximum Contaminant Level Violation, Average
Health-basedTTHM
October 1, 2023 – December 31, 2023
ArchivedMaximum Contaminant Level Violation, Average
Health-basedTTHM
July 1, 2023 – September 30, 2023
ArchivedMaximum Contaminant Level Violation, Average
Health-basedTTHM
April 1, 2023 – June 30, 2023
ArchivedMonitoring, Regular
—Arsenic
January 1, 2023 – December 31, 2025
ArchivedMaximum Contaminant Level Violation, Average
Health-basedTTHM
October 1, 2022 – December 31, 2022
ArchivedMaximum Contaminant Level Violation, Average
Health-basedTTHM
July 1, 2022 – September 30, 2022
ArchivedMaximum Contaminant Level Violation, Average
Health-basedTTHM
April 1, 2022 – June 30, 2022
ArchivedMaximum Contaminant Level Violation, Average
Health-basedTTHM
January 1, 2022 – March 31, 2022
ArchivedMaximum Contaminant Level Violation, Average
Health-basedTTHM
April 1, 2018 – June 30, 2018
ResolvedMonitoring and Reporting (DBP)
—TTHM
October 1, 2017 – December 31, 2017
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
October 1, 2017 – December 31, 2017
ResolvedMonitoring, Regular
—Nitrate
January 1, 2017 – December 31, 2017
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Arsenic
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Barium
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Cadmium
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Chromium
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Fluoride
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Mercury
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Nitrate
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Selenium
October 1, 1979 – October 31, 1979
Archived
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 2025 – December 31, 2025 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Archived |
| July 1, 2025 – September 30, 2025 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Archived |
| April 1, 2025 – June 30, 2025 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Archived |
| January 1, 2025 – March 31, 2025 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Archived |
| October 1, 2024 – December 31, 2024 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Archived |
| July 1, 2024 – September 30, 2024 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Archived |
| April 1, 2024 – June 30, 2024 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Archived |
| January 1, 2024 – March 31, 2024 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Archived |
| October 1, 2023 – December 31, 2023 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Archived |
| July 1, 2023 – September 30, 2023 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Archived |
| April 1, 2023 – June 30, 2023 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Arsenic | — | Archived |
| October 1, 2022 – December 31, 2022 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Archived |
| July 1, 2022 – September 30, 2022 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Archived |
| April 1, 2022 – June 30, 2022 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Archived |
| January 1, 2022 – March 31, 2022 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Archived |
| April 1, 2018 – June 30, 2018 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| October 1, 2017 – December 31, 2017 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| October 1, 2017 – December 31, 2017 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2017 – December 31, 2017 | Monitoring, Regular | Nitrate | — | Resolved |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Arsenic | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Barium | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Cadmium | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Chromium | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Fluoride | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Mercury | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Nitrate | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Selenium | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
Enforcement actions
- December 7, 2018State Compliance achieved1 linked violation
- July 19, 2018State Compliance achieved1 linked violation
- March 31, 2018State Compliance achieved1 linked violation
- March 31, 2018State Compliance achieved1 linked violation
- February 6, 2018State Compliance achieved1 linked violation
Contact
ARROWHEAD BEACH COOP WATER ASSOC
Phone not on record
Mt Vernon, WA 98273