Public water system record
Mahoneyville Water Assoc
Serves an area of Island County, WA · 60 people served
Federal records show no health-based violations and 1 monitoring/reporting issue for Mahoneyville Water Assoc in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 1
Key facts
- Mahoneyville Water Assoc draws water from 1 well.
- Most recent formal enforcement: compliance order (no penalty) by EPA, May 2003.
- Record on file since 1992, with 2 health-based violations before October 19, 2016.
Check whether Mahoneyville Water Assoc serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2025 | Resolved |
Full record since 1992
EPA's records for Mahoneyville Water Assoc go back to 1992. Before October 19, 2016 they list 2 health-based violations (2 archived by EPA without a recorded fix) and 14 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 11 |
| 2000s | 1 | 2 |
| 2010 to October 18, 2016 | 0 | 1 |
| 2020s | 0 | 1 |
Most recent health-based violation before October 19, 2016: Total Coliform (acute), began October 2000, Archived.
Show all 2 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform (acute)
Contaminant limit exceeded
|
Oct 1, 2000 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1996 | Archived |
Enforcement actions
EPA took 1 formal enforcement action against Mahoneyville Water Assoc in 2003. The most recent was a compliance order (no penalty) in May 2003.
| Date | By | Action | Violations covered |
|---|---|---|---|
| May 29, 2003 | EPA | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
Where the water comes from
Mahoneyville Water Assoc draws water from 1 well.
Annual water quality report
Mahoneyville Water Assoc 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 Mahoneyville Water Assoc 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