Public water system record
Shasta CSA - Castella, #3
Serves an area of Shasta County, CA that includes Castella · 333 people served
Federal records show 2 health-based violations and 1 monitoring/reporting issue for Shasta CSA - Castella, #3 in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 2
- Resolved
- 1
- Unresolved
- 1
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 1
Key facts
- Shasta CSA - Castella, #3 draws water from 1 surface water intake.
- Most recent formal enforcement: compliance order (no penalty) by EPA, October 2025.
- Record on file since 1981, with 1 health-based violation before October 19, 2016.
Check whether Shasta CSA - Castella, #3 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 |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Apr 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
Enforcement action in place
|
Full record since 1981
EPA's records for Shasta CSA - Castella, #3 go back to 1981. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 28 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 25 |
| 1990s | 1 | 1 |
| 2010 to October 18, 2016 | 0 | 2 |
| October 19, 2016 to 2019 | 1 | 0 |
| 2020s | 1 | 1 |
Most recent health-based violation before October 19, 2016: Surface Water Treatment Rule, began January 1992, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Surface Water Treatment Rule
Treatment technique failure
|
Jan 1, 1992 | Resolved |
Enforcement actions
California regulators and EPA took 4 formal enforcement actions against Shasta CSA - Castella, #3 between 1994 and 2025. The most recent was a compliance order (no penalty) in October 2025.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Oct 17, 2025 | EPA | Compliance order (no penalty) | 2 violations (1 health-based): LEAD AND COPPER RULE REVISIONS |
| May 24, 2017 | California | Compliance order (no penalty) | 1 violation (1 health-based): Interim Enhanced Surface Water Treatment Rule |
| Nov 14, 2016 | California | Compliance order (no penalty) | 2 violations: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5) |
| Jun 17, 1994 | California | Signed compliance agreement | 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.
Interim Enhanced Surface Water Treatment Rule
1 incidentThe system did not meet a filtration or treatment requirement for surface water
Inadequate treatment of surface water can let pathogens such as Cryptosporidium and Giardia through
Where the water comes from
Shasta CSA - Castella, #3 draws water from 1 surface water intake.
Annual water quality report
Shasta CSA - Castella, #3 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.
Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Shasta CSA - Castella, #3 for a copy.
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