Public water system record
Callayomi County Water District
Serves Middletown, Lake County, CA · 1,598 people served
Federal records show 1 health-based violation and 1 monitoring/reporting issue for Callayomi County Water District 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
- 1
Key facts
- Callayomi County Water District draws water from 3 wells.
- Most recent formal enforcement: compliance order (no penalty) by California, August 2000.
- Record on file since 1995, with 2 health-based violations before October 19, 2016.
Check whether Callayomi County Water District 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 |
Full record since 1995
EPA's records for Callayomi County Water District go back to 1995. 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 |
|---|---|---|
| 1990s | 2 | 0 |
| 2000s | 0 | 1 |
| 2020s | 1 | 1 |
Most recent health-based violation before October 19, 2016: Total Coliform, began November 1995, Resolved.
Show all 2 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 1995 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1995 | Resolved |
Enforcement actions
California regulators took 1 formal enforcement action against Callayomi County Water District in 2000. The most recent was a compliance order (no penalty) in August 2000.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Aug 18, 2000 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
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
Callayomi County Water District draws water from 3 wells. 1 other community water system buys water from Callayomi County Water District.
Community systems that buy water from it
- Middletown Rancheria Community Water System Middletown, CA
Annual water quality report
Callayomi County Water District 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