Public water system record
Sunset Park Water Co
On record as serving King County, WA · Serves 21 people
Federal records show 4 health-based violations and 6 monitoring/reporting issues for Sunset Park Water Co in the last ten years. The most serious issue in this window was a Arsenic violation that EPA lists as archived, not resolved.
System profile
- Health-based violations, last 10 years
- 4
- Resolved
- 0
- Unresolved
- 0
- Archived by EPA
- 4
- Any acute record
- No
- Monitoring issues, last 10 years
- 6
Key facts
- Sunset Park Water Co draws water from 1 well.
- Highest measured level in the last 10 years: Arsenic, 0.0122 mg/L, federal limit 0.01 mg/L (1.2 times the limit), 2025.
- Most recent formal enforcement: compliance order (no penalty) by Washington, June 2025.
- Record on file since 1979, with 3 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 19 unknown out of 19 service lines.
Check whether Sunset Park Water Co 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.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Arsenic
Contaminant limit exceeded
Measured 0.0111 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
|
330 | Oct 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Arsenic
Contaminant limit exceeded
Measured 0.0118 mg/L, federal limit 0.01 mg/L (1.2 times the limit)
|
330 | Jul 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Arsenic
Contaminant limit exceeded
Measured 0.0121 mg/L, federal limit 0.01 mg/L (1.2 times the limit)
|
330 | Apr 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Arsenic
Contaminant limit exceeded
Measured 0.0122 mg/L, federal limit 0.01 mg/L (1.2 times the limit)
|
330 | Jan 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Arsenic
Monitoring and reporting
|
Jul 1, 2025 | Resolved |
|
Arsenic
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Dec 1, 2018 | Resolved |
|
Arsenic
Monitoring and reporting
|
Apr 1, 2018 | Resolved |
|
Arsenic
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
Full record since 1979
EPA's records for Sunset Park Water Co go back to 1979. Before October 19, 2016 they list 3 health-based violations (1 resolved, 2 archived by EPA without a recorded fix) and 36 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 9 |
| 1990s | 2 | 1 |
| 2000s | 0 | 23 |
| 2010 to October 18, 2016 | 1 | 3 |
| October 19, 2016 to 2019 | 0 | 2 |
| 2020s | 4 | 3 |
Most recent health-based violation before October 19, 2016: Arsenic, began January 2010, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Arsenic
Contaminant limit exceeded
Measured 0.0225 mg/L, federal limit 0.01 mg/L (2.3 times the limit)
|
Jan 1, 2010 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 1999 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 1999 | Archived |
Enforcement actions
Washington regulators took 1 formal enforcement action against Sunset Park Water Co in 2025. The most recent was a compliance order (no penalty) in June 2025.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jun 3, 2025 | Washington | Compliance order (no penalty) | 4 violations (4 health-based): Arsenic |
What the violations mean
Arsenic
4 incidentsArsenic exceeded the federal limit
Long-term arsenic exposure is linked to cancer and cardiovascular effects
Where the water comes from
Sunset Park Water Co draws water from 1 well.
Annual water quality report
Sunset Park Water Co 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 Sunset Park Water Co 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