Public water system record
Grizzly Lake CSD-Delleker
Serves Delleker, Plumas County, CA · 1,314 people served
Federal records show 19 health-based violations and 3 monitoring/reporting issues for Grizzly Lake CSD-Delleker in the last ten years. The most serious issue in this window was a Combined Uranium violation that EPA lists as archived, not resolved.
System profile
- Health-based violations, last 10 years
- 19
- Resolved
- 0
- Unresolved
- 0
- Archived by EPA
- 19
- Any acute record
- No
- Monitoring issues, last 10 years
- 3
Key facts
- Grizzly Lake CSD-Delleker draws water from 2 wells.
- Most recent formal enforcement: compliance order (no penalty) by California, March 2022.
- Record on file since 1981, with 25 health-based violations before October 19, 2016.
- Lead pipe inventory: 9 lead and 268 unknown out of 284 service lines.
Check whether Grizzly Lake CSD-Delleker 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 |
|---|---|---|---|---|
|
Combined Uranium
Contaminant limit exceeded
|
340 | Jul 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Combined Uranium
Contaminant limit exceeded
|
340 | Jan 1, 2022 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Combined Uranium
Contaminant limit exceeded
|
340 | Oct 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Combined Uranium
Contaminant limit exceeded
|
340 | Jul 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Combined Uranium
Contaminant limit exceeded
|
340 | Apr 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Combined Uranium
Contaminant limit exceeded
|
340 | Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Combined Uranium
Contaminant limit exceeded
|
340 | Oct 1, 2020 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Combined Uranium
Contaminant limit exceeded
|
340 | Jul 1, 2020 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Combined Uranium
Contaminant limit exceeded
|
340 | Apr 1, 2020 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Combined Uranium
Contaminant limit exceeded
|
340 | Jan 1, 2020 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Combined Uranium
Contaminant limit exceeded
|
340 | Oct 1, 2019 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Combined Uranium
Contaminant limit exceeded
|
340 | Jul 1, 2019 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Combined Uranium
Contaminant limit exceeded
|
340 | Apr 1, 2019 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Combined Uranium
Contaminant limit exceeded
|
340 | Jan 1, 2019 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Combined Uranium
Contaminant limit exceeded
|
340 | Oct 1, 2017 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Combined Uranium
Contaminant limit exceeded
|
340 | Jul 1, 2017 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Combined Uranium
Contaminant limit exceeded
|
340 | Apr 1, 2017 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Combined Uranium
Contaminant limit exceeded
|
340 | Jan 1, 2017 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Combined Uranium
Contaminant limit exceeded
|
340 | Oct 1, 2016 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
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, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Sep 1, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Dec 1, 2021 | Resolved |
Full record since 1981
EPA's records for Grizzly Lake CSD-Delleker go back to 1981. Before October 19, 2016 they list 25 health-based violations (6 resolved, 19 archived by EPA without a recorded fix) and 5 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 4 |
| 1990s | 1 | 1 |
| 2000s | 3 | 0 |
| 2010 to October 18, 2016 | 21 | 0 |
| October 19, 2016 to 2019 | 8 | 0 |
| 2020s | 10 | 3 |
Most recent health-based violation before October 19, 2016: Combined Uranium, began October 2016, Archived.
Show all 25 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Combined Uranium
Contaminant limit exceeded
|
Oct 1, 2016 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Jul 1, 2016 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Apr 1, 2016 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Jan 1, 2016 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Oct 1, 2015 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Jul 1, 2015 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Apr 1, 2015 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Jan 1, 2015 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Jul 1, 2014 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Apr 1, 2014 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Jan 1, 2014 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Oct 1, 2013 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2013 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
|
Jul 1, 2013 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Apr 1, 2013 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Jan 1, 2013 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Oct 1, 2012 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2012 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
|
Jul 1, 2012 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2012 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
|
Jul 1, 2011 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Oct 1, 2007 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2002 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2001 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Jul 1, 1997 | Resolved |
Enforcement actions
California regulators took 7 formal enforcement actions against Grizzly Lake CSD-Delleker between 2008 and 2022. The most recent was a compliance order (no penalty) in March 2022.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Mar 18, 2022 | California | Compliance order (no penalty) | 1 violation: Revised Total Coliform Rule |
| May 9, 2014 | California | Compliance order (no penalty) | 15 violations (15 health-based): Combined Uranium |
| Oct 31, 2013 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Oct 24, 2012 | California | Compliance order (no penalty) | 3 violations (3 health-based): Combined Uranium, Total Coliform |
| Jul 27, 2012 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Nov 10, 2011 | California | Compliance order (no penalty) | 30 violations (30 health-based): Combined Uranium |
| May 30, 2008 | California | Compliance order (no penalty) | 1 violation (1 health-based): Combined Uranium |
What the violations mean
Combined Uranium
19 incidentsTest results for Combined Uranium were above the federal limit (a maximum contaminant level violation).
The utility had to notify customers about each of these violations.
Where the water comes from
Grizzly Lake CSD-Delleker draws water from 2 wells.
Annual water quality report
Grizzly Lake CSD-Delleker 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