Public water system record
Upper Moenkopi
Serves Tuba City, Coconino County, AZ · 1,740 people served
Federal records show no health-based violations and 4 monitoring/reporting issues for Upper Moenkopi in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 4
Key facts
- Upper Moenkopi draws water from 2 wells.
- Record on file since 1991, with 8 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 220 service lines.
Check whether Upper Moenkopi 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 |
|---|---|---|
|
Chlorine
Monitoring and reporting
|
Oct 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
2,3,7,8-TCDD
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
Full record since 1991
EPA's records for Upper Moenkopi go back to 1991. Before October 19, 2016 they list 8 health-based violations (8 resolved) and 300 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 12 |
| 2000s | 6 | 72 |
| 2010 to October 18, 2016 | 1 | 216 |
| 2020s | 0 | 3 |
Most recent health-based violation before October 19, 2016: Gross Beta Particle Activity, began July 2013, Resolved.
Show all 8 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Gross Beta Particle Activity
Contaminant limit exceeded
Measured 37.5 mrem/yr, federal limit 4 mrem/yr (9.4 times the limit)
|
Jul 1, 2013 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2006 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2002 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2000 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2000 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 1994 | Resolved |
Where the water comes from
Upper Moenkopi draws water from 2 wells. 1 smaller public system such as schools, businesses or campgrounds buys water from Upper Moenkopi.
Annual water quality report
Upper Moenkopi 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.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
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