Public water system record
Colonial Park
Serves Larkfield-Wikiup, Sonoma County, CA · 342 people served
Federal records show no health-based violations and 1 monitoring/reporting issue for Colonial Park 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
- Colonial Park draws water from 2 wells (1 of them for emergency, seasonal or other part-time use).
- Most recent formal enforcement: compliance order (no penalty) by California, December 2011.
- Record on file since 1980, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 191 service lines.
Check whether Colonial Park 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
|
Mar 1, 2001 | Resolved |
Full record since 1980
EPA's records for Colonial Park go back to 1980. Before October 19, 2016 they list no health-based violations and 10 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 5 |
| 1990s | 0 | 1 |
| 2000s | 0 | 3 |
| 2010 to October 18, 2016 | 0 | 1 |
Enforcement actions
California regulators took 3 formal enforcement actions against Colonial Park between 2007 and 2011. The most recent was a compliance order (no penalty) in December 2011.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Dec 7, 2011 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Jul 11, 2008 | California | Compliance order with a penalty | 1 violation: Nitrate |
| Jun 13, 2007 | California | Compliance order (no penalty) | 1 violation: Nitrate |
Where the water comes from
Colonial Park draws water from 2 wells (1 of them for emergency, seasonal or other part-time use).
Annual water quality report
Colonial Park 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 Colonial Park 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