Public water system record
City of Mt. Shasta
Serves Mount Shasta, Siskiyou County, CA · 3,642 people served
Federal records show 5 health-based violations and 1 monitoring/reporting issue for City of Mt. Shasta in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 5
- Resolved
- 4
- Unresolved
- 1
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 1
Key facts
- City of Mt. Shasta draws water from 2 wells and 1 spring.
- Most recent formal enforcement: compliance order (no penalty) by California, October 2019.
- Record on file since 2014, with 6 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 1,882 service lines.
Check whether City of Mt. Shasta 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 | Sep 1, 2019 | Resolved | No |
|
Revised Total Coliform Rule
Contaminant limit exceeded
|
110 | Jul 1, 2017 | Resolved | Yes |
|
Revised Total Coliform Rule
Contaminant limit exceeded
|
110 | Jul 1, 2017 | Resolved | Yes |
|
Revised Total Coliform Rule
Contaminant limit exceeded
|
110 | Jun 1, 2017 | Resolved | Yes |
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 2014
EPA's records for City of Mt. Shasta go back to 2014. Before October 19, 2016 they list 6 health-based violations (6 resolved) and 1 monitoring or reporting violation.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2010 to October 18, 2016 | 6 | 1 |
| October 19, 2016 to 2019 | 4 | 0 |
| 2020s | 1 | 1 |
Most recent health-based violation before October 19, 2016: Total Coliform, began March 2016, Resolved.
Show all 6 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Mar 1, 2016 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2015 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2015 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 2015 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2014 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2014 | Resolved |
Enforcement actions
California regulators took 6 formal enforcement actions against City of Mt. Shasta and issued 2 boil water orders between 2014 and 2019. The most recent was a compliance order (no penalty) in October 2019.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Oct 7, 2019 | California | Compliance order (no penalty) | 1 violation (1 health-based): Revised Total Coliform Rule |
| Jul 27, 2017 | California | Boil water order | 2 violations (2 health-based): Revised Total Coliform Rule |
| Jul 26, 2017 | California | Compliance order (no penalty) | 3 violations (3 health-based): Revised Total Coliform Rule |
| Jun 24, 2017 | California | Boil water order | 1 violation (1 health-based): Revised Total Coliform Rule |
| Jun 7, 2016 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Jun 19, 2015 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Feb 13, 2015 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Dec 17, 2014 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
What the violations mean
Revised Total Coliform Rule
4 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 Mt. Shasta draws water from 2 wells and 1 spring.
Annual water quality report
City of Mt. Shasta 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