Public water system record

Shonto Preparatory Boarding School BIA

On record as serving Shonto, Navajo County, AZ · Serves 664 people

Federal records show no health-based violations and 7 monitoring/reporting issues for Shonto Preparatory Boarding School BIA in the last ten years.

  • NN0433016
  • SHONTO
  • AZ
  • 664 served

System profile

Source water Groundwater
ZIP 86054
EPA system ID NN0433016

Verify this system on EPA ECHO →

Health-based violations, last 10 years
0
Resolved
0
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
7

Key facts

  • Shonto Preparatory Boarding School BIA draws water from 3 wells.
  • Record on file since 2004, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 122 service lines.

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Health-based violations

Since October 2016

Violation 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 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Revised Total Coliform Rule
RPT
Jan 1, 2024 Resolved
Revised Total Coliform Rule
RPT
Oct 1, 2023 Resolved
Revised Total Coliform Rule
RPT
Oct 1, 2022 Resolved
Revised Total Coliform Rule
RPT
May 1, 2020 Resolved
E. coli
Monitoring and reporting
Feb 1, 2018 Resolved
Revised Total Coliform Rule
OTHER
Apr 1, 2016 Resolved
Stage 2 Disinfection Byproducts Rule
Monitoring and reporting
Oct 1, 2013 Resolved

Full record since 2004

EPA's records for Shonto Preparatory Boarding School BIA go back to 2004. Before October 19, 2016 they list no health-based violations and 75 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2000s 0 69
2010 to October 18, 2016 0 6
October 19, 2016 to 2019 0 1
2020s 0 4

Where the water comes from

Shonto Preparatory Boarding School BIA draws water from 3 wells.

Annual water quality report

Shonto Preparatory 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.

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.