Public water system record
Yurok - Terwer Water System
Serves an area of Del Norte County, CA · 300 people served
Federal records show no health-based violations and 15 monitoring/reporting issues for Yurok - Terwer Water System in the last ten years. At least one of these issues remains unresolved.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 15
Key facts
- Yurok - Terwer Water System draws water from 2 wells.
- Record on file since 1998, with 4 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 156 service lines.
Check whether Yurok - Terwer Water System 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.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2025 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Nitrate
Monitoring and reporting
|
Jan 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Nov 1, 2024 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2024 | Resolved |
|
Public Notice
OTHER
|
May 1, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
May 1, 2024 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2024 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2024 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2023 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2015 | Resolved |
Full record since 1998
EPA's records for Yurok - Terwer Water System go back to 1998. Before October 19, 2016 they list 4 health-based violations (4 resolved) and 146 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 3 | 69 |
| 2000s | 1 | 18 |
| 2010 to October 18, 2016 | 0 | 59 |
| 2020s | 0 | 13 |
Most recent health-based violation before October 19, 2016: Total Coliform, began January 2002, Resolved.
Show all 4 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 2002 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Oct 1, 1999 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 1999 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Mar 1, 1999 | Resolved |
Where the water comes from
Yurok - Terwer Water System draws water from 2 wells.
Annual water quality report
Yurok - Terwer Water System 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 Yurok - Terwer Water System 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