Public water system record
Cazadero Water Company, Inc. (Puc)
Serves Cazadero, Sonoma County, CA · 525 people served
Federal records show 8 health-based violations and 25 monitoring/reporting issues for Cazadero Water Company, Inc. (Puc) in the last ten years, including an unresolved Surface Water Treatment Rule violation.
System profile
- Health-based violations, last 10 years
- 8
- Resolved
- 0
- Unresolved
- 8
- Any acute record
- No
- Monitoring issues, last 10 years
- 25
Key facts
- Cazadero Water Company, Inc. (Puc) draws water from 4 wells and 1 spring.
- Most recent formal enforcement: compliance order (no penalty) by California, January 2025.
- Record on file since 1980, with 3 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 158 service lines.
Check whether Cazadero Water Company, Inc. (Puc) 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 |
|---|---|---|---|---|
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Aug 6, 2020 |
Active
Enforcement action in place
|
No |
|
Lead and Copper Rule
Treatment technique failure
|
350 | Feb 14, 2020 |
Active
Enforcement action in place
|
No |
|
Lead and Copper Rule
Treatment technique failure
|
350 | Aug 14, 2019 |
Active
Enforcement action in place
|
No |
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Jul 31, 2019 |
Active
Enforcement action in place
|
No |
|
Lead and Copper Rule
Treatment technique failure
|
350 | Feb 14, 2019 |
Active
Enforcement action in place
|
No |
|
Lead and Copper Rule
Treatment technique failure
|
350 | Apr 27, 2018 |
Active
Enforcement action in place
|
No |
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Nov 22, 2010 |
Active
Enforcement action in place
|
No |
|
1022
Treatment technique failure
|
350 | Sep 27, 2006 | Active | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jul 1, 2021 | Resolved |
|
Selenium
Monitoring and reporting
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Thallium, Total
Monitoring and reporting
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Beryllium, Total
Monitoring and reporting
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Antimony, Total
Monitoring and reporting
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Nitrite
Monitoring and reporting
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Nickel
Monitoring and reporting
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Mercury
Monitoring and reporting
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Fluoride
Monitoring and reporting
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Chromium (total)
Monitoring and reporting
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Cadmium
Monitoring and reporting
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Barium
Monitoring and reporting
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Arsenic
Monitoring and reporting
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Oct 1, 2020 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Oct 1, 2020 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Miscellaneous Other Rules
OTHER
|
Apr 1, 2019 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Miscellaneous Other Rules
OTHER
|
Jan 1, 2019 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Miscellaneous Other Rules
OTHER
|
Oct 1, 2018 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Miscellaneous Other Rules
OTHER
|
Jul 1, 2018 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Miscellaneous Other Rules
OTHER
|
Apr 1, 2018 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Miscellaneous Other Rules
OTHER
|
Jan 1, 2018 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Miscellaneous Other Rules
OTHER
|
Oct 1, 2017 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Miscellaneous Other Rules
OTHER
|
Jul 1, 2017 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Miscellaneous Other Rules
OTHER
|
Jun 1, 2017 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
Full record since 1980
EPA's records for Cazadero Water Company, Inc. (Puc) go back to 1980. Before October 19, 2016 they list 3 health-based violations (1 resolved, 2 not resolved) and 11 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 7 |
| 1990s | 0 | 1 |
| 2000s | 2 | 1 |
| 2010 to October 18, 2016 | 1 | 2 |
| October 19, 2016 to 2019 | 4 | 9 |
| 2020s | 2 | 16 |
Most recent health-based violation before October 19, 2016: Surface Water Treatment Rule, began November 2010, Active.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Surface Water Treatment Rule
Treatment technique failure
|
Nov 22, 2010 | Active |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Dec 1, 2007 | Resolved |
|
1022
Treatment technique failure
|
Sep 27, 2006 | Active |
Enforcement actions
California regulators took 12 formal enforcement actions against Cazadero Water Company, Inc. (Puc) between 2007 and 2025, filed as 15 records in EPA's data. The most recent was a compliance order (no penalty) in January 2025.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jan 7, 2025 | California | Compliance order (no penalty) | 3 violations (3 health-based): Surface Water Treatment Rule, Lead and Copper Rule |
| Aug 6, 2024 | California | Compliance order (no penalty) | 2 violations: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5) |
| Mar 23, 2022 | California | Compliance order (no penalty) | 12 violations: Barium, Cadmium, Chromium (total), Fluoride, Nickel |
| Aug 6, 2020 | California | Compliance order (no penalty) | 1 violation (1 health-based): Surface Water Treatment Rule |
| Sep 6, 2019 | California | Compliance order (no penalty) | 1 violation (1 health-based): Lead and Copper Rule |
| Aug 14, 2018 | California | Compliance order (no penalty) | 3 violations (3 health-based): Lead and Copper Rule |
| Feb 5, 2018 | California | Compliance order (no penalty) | 8 violations: Miscellaneous Other Rules |
| Jul 7, 2017 | California | Compliance order (no penalty) | 2 violations (2 health-based): Surface Water Treatment Rule |
| Oct 20, 2016 | California | Compliance order (no penalty) | 1 violation: Revised Total Coliform Rule |
| Dec 19, 2014 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Feb 11, 2008 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Nov 29, 2007 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
What the violations mean
Lead and Copper Rule
4 incidentsThe system did not complete a treatment step or action that the Lead and Copper Rule requires (a treatment technique violation).
The utility had to notify customers about each of these violations.
Surface Water Treatment Rule
3 incidentsThe system did not complete a treatment step or action that the Surface Water Treatment Rule requires (a treatment technique violation).
The utility had to notify customers about each of these violations.
1022
1 incidentEPA recorded a health-based violation for this contaminant or rule family.
Review the system timeline and EPA guidance for details.
Where the water comes from
Cazadero Water Company, Inc. (Puc) draws water from 4 wells and 1 spring.
Annual water quality report
Cazadero Water Company, Inc. (Puc) 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