Public water system record
Yokayo Tribe of Indians
Serves an area of Mendocino County, CA · 75 people served
Federal records show 1 health-based violation and 4 monitoring/reporting issues for Yokayo Tribe of Indians in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 0
- Unresolved
- 1
- Any acute record
- No
- Monitoring issues, last 10 years
- 4
Key facts
- Yokayo Tribe of Indians draws water from 1 well.
- Most recent formal enforcement: compliance order (no penalty) by California, December 2016.
- Record on file since 1994, with 0 health-based violations before October 19, 2016.
Check whether Yokayo Tribe of Indians 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 |
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 |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2024 | Active |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
Full record since 1994
EPA's records for Yokayo Tribe of Indians go back to 1994. Before October 19, 2016 they list no health-based violations and 14 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 1 |
| 2000s | 0 | 6 |
| 2010 to October 18, 2016 | 0 | 7 |
| 2020s | 1 | 2 |
Enforcement actions
California regulators took 8 formal enforcement actions against Yokayo Tribe of Indians between 2008 and 2016. The most recent was a compliance order (no penalty) in December 2016.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Dec 27, 2016 | California | Compliance order (no penalty) | 6 violations: Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs) |
| Dec 16, 2013 | California | Compliance order (no penalty) | 1 violation: Nitrate |
| Mar 31, 2009 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Feb 24, 2009 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Jan 30, 2009 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Jan 7, 2009 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Nov 5, 2008 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Oct 10, 2008 | California | Compliance order (no penalty) | 1 violation: Simazine |
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.
Where the water comes from
Yokayo Tribe of Indians draws water from 1 well.
Annual water quality report
Yokayo Tribe of Indians 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 Yokayo Tribe of Indians 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