Public water system record
Park Royal Mutual Water Company
Serves an area of Sonoma County, CA · 75 people served
Federal records show 2 health-based violations and no monitoring/reporting issues for Park Royal Mutual Water Company 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
- 2
- Resolved
- 0
- Unresolved
- 0
- Archived by EPA
- 2
- Any acute record
- No
- Monitoring issues, last 10 years
- 0
Key facts
- Park Royal Mutual Water Company draws water from 2 wells.
- Highest measured level in the last 10 years: Arsenic, 0.016 mg/L, federal limit 0.01 mg/L (1.6 times the limit), 2021.
- Most recent formal enforcement: compliance order (no penalty) by California, January 2022.
- Record on file since 1980, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 24 unknown out of 26 service lines.
Check whether Park Royal Mutual Water Company 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 0.012 mg/L, federal limit 0.01 mg/L (1.2 times the limit)
|
330 | Apr 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Arsenic
Contaminant limit exceeded
Measured 0.016 mg/L, federal limit 0.01 mg/L (1.6 times the limit)
|
330 | Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
Full record since 1980
EPA's records for Park Royal Mutual Water Company go back to 1980. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 7 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 4 |
| 1990s | 1 | 1 |
| 2000s | 0 | 2 |
| 2020s | 2 | 0 |
Most recent health-based violation before October 19, 2016: Total Coliform (acute), began May 1998, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform (acute)
Contaminant limit exceeded
|
May 1, 1998 | Resolved |
Enforcement actions
California regulators took 2 formal enforcement actions against Park Royal Mutual Water Company between 2021 and 2022. The most recent was a compliance order (no penalty) in January 2022.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jan 21, 2022 | California | Compliance order (no penalty) | 1 violation (1 health-based): Arsenic |
| May 14, 2021 | California | Compliance order (no penalty) | 1 violation (1 health-based): Arsenic |
What the violations mean
Arsenic
2 incidentsArsenic exceeded the federal limit
Long-term arsenic exposure is linked to cancer and cardiovascular effects
Where the water comes from
Park Royal Mutual Water Company draws water from 2 wells.
Annual water quality report
Park Royal Mutual Water Company 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 Park Royal Mutual Water Company 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 California.
Certified drinking water labs by state EPA guidance for private wells