Public water system record
Sunnyslope Mutual Water System
Serves Vashon, King County, WA · 85 people served
Federal records show no health-based violations and 1 monitoring/reporting issue for Sunnyslope Mutual Water System in the last ten years. At least one of these issues remains unresolved.
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
- Sunnyslope Mutual Water System draws water from 1 well.
- Record on file since 1991, with 0 health-based violations before October 19, 2016.
Check whether Sunnyslope Mutual Water System 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 |
|---|---|---|
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2023 | Active |
Full record since 1991
EPA's records for Sunnyslope Mutual Water System go back to 1991. Before October 19, 2016 they list no health-based violations and 60 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 7 |
| 2000s | 0 | 52 |
| 2010 to October 18, 2016 | 0 | 1 |
| 2020s | 0 | 1 |
Where the water comes from
Sunnyslope Mutual Water System draws water from 1 well.
Annual water quality report
Sunnyslope Mutual Water System 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 Sunnyslope Mutual Water System 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