Public water system record
FORT DEFIANCE-WINDOW ROCK-ST MICHAELS NTUA
Federal records show 4 health-based violations and 9 monitoring/reporting issues for FORT DEFIANCE-WINDOW ROCK-ST MICHAELS NTUA in the last ten years, including an unresolved Consumer Confidence Report violation.
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Health-based violations
Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Consumer Confidence Report
Treatment technique failure
|
110 | Feb 1, 2025 | Unresolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
|
220 | Jan 1, 2017 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
|
220 | Oct 1, 2016 | Resolved | No |
Monitoring and reporting issues
Monitoring violations are administrative records. They mean required testing or reporting was missed, not that a contaminant was found above a safe level.
| Issue | Start date | Status |
|---|---|---|
|
Monitoring and Reporting
OTHER
|
Feb 1, 2025 | Unresolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jul 1, 2018 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jul 1, 2018 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Apr 1, 2018 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Apr 1, 2018 | Resolved |
|
Nitrite
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Monitoring and Reporting
OTHER
|
Jan 1, 2017 | Resolved |
|
Consumer Confidence Report
OTHER
|
Apr 1, 2016 | Resolved |