Public water system record
Castle Airport
Serves an area of Merced County, CA · 1,650 people served
Federal records show 1 health-based violation and 5 monitoring/reporting issues for Castle Airport in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 0
- Unresolved
- 1
- Any acute record
- No
- Monitoring issues, last 10 years
- 5
Key facts
- Castle Airport draws water from 2 wells.
- Most recent formal enforcement: compliance order (no penalty) by California, March 2022.
- Record on file since 1989, with 2 health-based violations before October 19, 2016.
Check whether Castle Airport 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 |
|---|---|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 | Active | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Active |
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2021 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Nov 1, 2017 | Resolved |
Full record since 1989
EPA's records for Castle Airport go back to 1989. Before October 19, 2016 they list 2 health-based violations (2 resolved) and 1 monitoring or reporting violation.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 1 |
| 1990s | 2 | 0 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 1 | 4 |
Most recent health-based violation before October 19, 2016: Total Coliform, began January 1994, Resolved.
Show all 2 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 1994 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Mar 1, 1993 | Resolved |
Enforcement actions
California regulators took 2 formal enforcement actions against Castle Airport in 2022. The most recent was a compliance order (no penalty) in March 2022.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Mar 24, 2022 | California | Compliance order (no penalty) | 2 violations: Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs) |
| Jan 10, 2022 | California | Compliance order (no penalty) | 1 violation: Revised Total Coliform Rule |
What the violations mean
LEAD AND COPPER RULE REVISIONS
1 incidentThe system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Castle Airport draws water from 2 wells.
Annual water quality report
Castle Airport 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.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
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