Public water system record
Agate Bay Water Company
Serves Carnelian Bay, Placer County, CA · 2,500 people served
Federal records show 1 health-based violation and 3 monitoring/reporting issues for Agate Bay Water Company 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
- 3
Key facts
- Agate Bay Water Company draws water from 1 surface water intake and 1 spring.
- Most recent formal enforcement: compliance order (no penalty) by EPA, March 2026.
- Record on file since 1992, with 9 health-based violations before October 19, 2016.
Check whether Agate Bay 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 |
|---|---|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 |
Active
Enforcement action in place
|
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
Enforcement action in place
|
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
Full record since 1992
EPA's records for Agate Bay Water Company go back to 1992. Before October 19, 2016 they list 9 health-based violations (9 resolved) and 35 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 3 | 2 |
| 2010 to October 18, 2016 | 6 | 33 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 1 | 2 |
Most recent health-based violation before October 19, 2016: Total Coliform, began December 2012, Resolved.
Show all 9 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 2012 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2012 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2012 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2012 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Feb 1, 2012 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2011 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jun 1, 1993 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Feb 1, 1993 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jan 1, 1992 | Resolved |
Enforcement actions
California regulators and EPA took 6 formal enforcement actions against Agate Bay Water Company between 1993 and 2026. The most recent was a compliance order (no penalty) in March 2026.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Mar 5, 2026 | EPA | Compliance order (no penalty) | 2 violations (1 health-based): LEAD AND COPPER RULE REVISIONS |
| May 24, 2017 | California | Compliance order (no penalty) | 33 violations: Fluoride, Nitrite, Beryllium, Total, Selenium, 1,2,4-Trichlorobenzene |
| Apr 17, 2013 | California | Compliance order (no penalty) | 4 violations (4 health-based): Total Coliform |
| Mar 30, 2012 | California | Compliance order (no penalty) | 2 violations (2 health-based): Total Coliform |
| Mar 1, 1994 | California | Compliance order (no penalty) | 1 violation (1 health-based): Surface Water Treatment Rule |
| Jul 14, 1993 | California | Compliance order (no penalty) | 1 violation (1 health-based): Surface Water Treatment 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
Agate Bay Water Company draws water from 1 surface water intake and 1 spring. 1 other public water system has an emergency connection to Agate Bay Water Company.
Annual water quality report
Agate Bay 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.
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