Public water system record
White Post Mission NTUA
On record as serving Shonto, Navajo County, AZ · Serves 185 people
Federal records show no health-based violations and 3 monitoring/reporting issues for White Post Mission NTUA 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
- 3
Key facts
- White Post Mission NTUA draws water from 1 well.
- Record on file since 1996, with 0 health-based violations before October 19, 2016.
Check whether White Post Mission NTUA 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 |
|---|---|---|
|
Nitrite
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Stage 2 Disinfection Byproducts Rule
Monitoring and reporting
|
Oct 1, 2013 | Active |
Full record since 1996
EPA's records for White Post Mission NTUA go back to 1996. Before October 19, 2016 they list no health-based violations and 560 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 158 |
| 2000s | 0 | 251 |
| 2010 to October 18, 2016 | 0 | 151 |
Where the water comes from
White Post Mission NTUA draws water from 1 well.
Annual water quality report
White Post Mission NTUA 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 White Post Mission NTUA 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