Public water system record
Lukachukai NTUA
On record as serving Lukachukai, Apache County, AZ · Serves 1,659 people
Federal records show no health-based violations and 4 monitoring/reporting issues for Lukachukai 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
- 4
Key facts
- Lukachukai NTUA draws water from 1 well.
- Most recent formal enforcement: compliance order (no penalty) by Navajo Nation EPA, January 2013.
- Record on file since 2005, with 4 health-based violations before October 19, 2016.
Check whether Lukachukai 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 |
|---|---|---|
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Revised Total Coliform Rule
OTHER
|
Apr 1, 2016 | Resolved |
|
Stage 2 Disinfection Byproducts Rule
Monitoring and reporting
|
Oct 1, 2013 | Active |
Full record since 2005
EPA's records for Lukachukai NTUA go back to 2005. Before October 19, 2016 they list 4 health-based violations (4 resolved) and 28 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 0 | 22 |
| 2010 to October 18, 2016 | 4 | 6 |
| 2020s | 0 | 2 |
Most recent health-based violation before October 19, 2016: Arsenic, began October 2012, Resolved.
Show all 4 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Arsenic
Contaminant limit exceeded
Measured 0.0203 mg/L, federal limit 0.01 mg/L (2 times the limit)
|
Oct 1, 2012 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0203 mg/L, federal limit 0.01 mg/L (2 times the limit)
|
Jul 1, 2012 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.02763 mg/L, federal limit 0.01 mg/L (2.8 times the limit)
|
Apr 1, 2012 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.02143 mg/L, federal limit 0.01 mg/L (2.1 times the limit)
|
Jan 1, 2012 | Resolved |
Enforcement actions
Navajo Nation EPA took 1 formal enforcement action against Lukachukai NTUA in 2013, filed as 5 records in EPA's data. The most recent was a compliance order (no penalty) in January 2013.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jan 9, 2013 | Navajo Nation EPA | Compliance order (no penalty) | 5 violations (4 health-based): Arsenic |
Where the water comes from
Lukachukai NTUA draws water from 1 well. 1 other community water system buys water from Lukachukai NTUA.
Community systems that buy water from it
- Lukachukai Community School New Lukachukai, AZ
Annual water quality report
Lukachukai 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.
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