Public water system record
Tonalea-Red Lake NTUA
On record as serving Red Lake and Tonalea, Coconino County, AZ · Serves 1,146 people
Federal records show no health-based violations and 3 monitoring/reporting issues for Tonalea-Red Lake NTUA 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
- 3
Key facts
- Tonalea-Red Lake NTUA draws water from 1 well.
- Record on file since 2005, with 1 health-based violation before October 19, 2016.
Check whether Tonalea-Red Lake 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 |
|
Stage 2 Disinfection Byproducts Rule
Monitoring and reporting
|
Oct 1, 2013 | Resolved |
Full record since 2005
EPA's records for Tonalea-Red Lake NTUA go back to 2005. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 27 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 0 | 23 |
| 2010 to October 18, 2016 | 1 | 4 |
| 2020s | 0 | 2 |
Most recent health-based violation before October 19, 2016: Antimony, Total, began October 2010, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Antimony, Total
Contaminant limit exceeded
Measured 0.025 mg/L, federal limit 0.006 mg/L (4.2 times the limit)
|
Oct 1, 2010 | Resolved |
Where the water comes from
Tonalea-Red Lake NTUA draws water from 1 well.
Annual water quality report
Tonalea-Red Lake 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