Public water system record
Original Sherwood Valley Rancheria
Serves Laytonville, Mendocino County, CA · 60 people served
Federal records show 2 health-based violations and 6 monitoring/reporting issues for Original Sherwood Valley Rancheria in the last ten years. The most serious issue in this window was a resolved Groundwater Rule violation.
System profile
- Health-based violations, last 10 years
- 2
- Resolved
- 2
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 6
Key facts
- Original Sherwood Valley Rancheria draws water from 2 wells.
- Record on file since 1996, with 3 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 18 service lines.
Check whether Original Sherwood Valley Rancheria 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 |
|---|---|---|---|---|
|
Groundwater Rule
Treatment technique failure
|
140 | Dec 30, 2021 | Resolved | No |
|
Revised Total Coliform Rule
Contaminant limit exceeded
|
110 | Oct 1, 2021 | 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 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Dec 1, 2022 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Dec 1, 2021 | Resolved |
Full record since 1996
EPA's records for Original Sherwood Valley Rancheria go back to 1996. Before October 19, 2016 they list 3 health-based violations (3 resolved) and 186 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 62 |
| 2000s | 2 | 122 |
| 2010 to October 18, 2016 | 0 | 2 |
| 2020s | 2 | 6 |
Most recent health-based violation before October 19, 2016: Total Coliform, began July 2005, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2005 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Feb 1, 2000 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Mar 1, 1998 | Resolved |
What the violations mean
Groundwater Rule
1 incidentThe system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).
The utility had to notify customers about this violation.
Revised Total Coliform Rule
1 incidentThe system did not meet a requirement of the Revised Total Coliform Rule
Coliform and E. coli rules protect against bacteria in the distribution system
Where the water comes from
Original Sherwood Valley Rancheria draws water from 2 wells.
Annual water quality report
Original Sherwood Valley Rancheria 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 Original Sherwood Valley Rancheria 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 EPA Region 9.
Certified drinking water labs by state EPA guidance for private wells