Public water system record
Low Mountain Boarding School BIA
On record as serving Low Mountain, Navajo County, AZ · Serves 339 people
Federal records show no health-based violations and 11 monitoring/reporting issues for Low Mountain Boarding School BIA 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
- 11
Key facts
- Low Mountain Boarding School BIA buys its water from Pinon-District 4 NTUA.
- Record on file since 1996, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 15 service lines.
Check whether Low Mountain Boarding School BIA 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 |
|---|---|---|
|
Revised Total Coliform Rule
Monitoring violation
|
Mar 1, 2025 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Oct 1, 2023 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Jul 1, 2023 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Oct 1, 2022 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2021 | Resolved |
|
Revised Total Coliform Rule
RPT
|
May 1, 2020 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Mar 1, 2018 | Resolved |
|
Revised Total Coliform Rule
OTHER
|
Apr 1, 2016 | Active |
|
Stage 2 Disinfection Byproducts Rule
Monitoring and reporting
|
Oct 1, 2013 | Active |
Full record since 1996
EPA's records for Low Mountain Boarding School BIA go back to 1996. Before October 19, 2016 they list no health-based violations and 131 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 2 |
| 2000s | 0 | 123 |
| 2010 to October 18, 2016 | 0 | 6 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 0 | 8 |
Where the water comes from
Low Mountain Boarding School BIA buys its water from Pinon-District 4 NTUA. It lists no wells or intakes of its own.
Buys water from
- Pinon-District 4 NTUA Ft Defiance, AZ
Annual water quality report
Low Mountain Boarding School BIA 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 Low Mountain Boarding School BIA 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