Public water system record
City of Dunsmuir
Serves Dunsmuir, Siskiyou County, CA · 1,707 people served
Federal records show 3 health-based violations and 1 monitoring/reporting issue for City of Dunsmuir in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 3
- Resolved
- 2
- Unresolved
- 1
- Any acute record
- No
- Monitoring issues, last 10 years
- 1
Key facts
- City of Dunsmuir draws water from 1 spring.
- Most recent formal enforcement: compliance order (no penalty) by California, May 2019.
- Record on file since 1992, with 3 health-based violations before October 19, 2016.
Check whether City of Dunsmuir 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 |
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Apr 1, 2019 | Resolved | No |
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Mar 1, 2019 | Resolved | 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 1992
EPA's records for City of Dunsmuir go back to 1992. Before October 19, 2016 they list 3 health-based violations (3 resolved) and 3 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 0 |
| 2010 to October 18, 2016 | 2 | 3 |
| October 19, 2016 to 2019 | 2 | 0 |
| 2020s | 1 | 1 |
Most recent health-based violation before October 19, 2016: Stage 1 Disinfection Byproducts Rule, began January 2016, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Stage 1 Disinfection Byproducts Rule
Treatment technique failure
|
Jan 10, 2016 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2015 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1992 | Resolved |
Enforcement actions
California regulators took 4 formal enforcement actions against City of Dunsmuir between 2016 and 2019. The most recent was a compliance order (no penalty) in May 2019.
| Date | By | Action | Violations covered |
|---|---|---|---|
| May 15, 2019 | California | Compliance order (no penalty) | 1 violation (1 health-based): Revised Total Coliform Rule |
| Mar 29, 2019 | California | Compliance order (no penalty) | 1 violation (1 health-based): Revised Total Coliform Rule |
| Feb 10, 2017 | California | Compliance order (no penalty) | 4 violations (1 health-based): Total Coliform, Miscellaneous Other Rules, Groundwater Rule |
| Jan 7, 2016 | California | Compliance order (no penalty) | 1 violation (1 health-based): Stage 1 Disinfection Byproducts Rule |
What the violations mean
Revised Total Coliform Rule
2 incidentsThe system did not meet a requirement of the Revised Total Coliform Rule
Coliform and E. coli rules protect against bacteria in the distribution system
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
City of Dunsmuir draws water from 1 spring.
Annual water quality report
City of Dunsmuir 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