Public water system record

Ganado-Burnside-Cornfield-Steamboat NTUA

On record as serving Ganado and Steamboat, Apache County, AZ · Serves 3,947 people

Federal records show 1 health-based violation and 9 monitoring/reporting issues for Ganado-Burnside-Cornfield-Steamboat NTUA in the last ten years. The most serious issue in this window was a resolved Revised Total Coliform Rule violation.

  • NN0403001
  • FT DEFIANCE
  • AZ
  • 3,947 served

System profile

Source water Groundwater
ZIP 86504
EPA system ID NN0403001

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
9

Key facts

  • Ganado-Burnside-Cornfield-Steamboat NTUA draws water from 3 wells.
  • Most recent enforcement action: boil water order by Navajo Nation EPA, June 2006.
  • Record on file since 2002, with 4 health-based violations before October 19, 2016.

Check whether Ganado-Burnside-Cornfield-Steamboat NTUA serves your address

Address suggestions by Mapbox

Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
Revised Total Coliform Rule
Treatment technique failure
110 Aug 1, 2016 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Public Notice
OTHER
Oct 1, 2023 Active
Revised Total Coliform Rule
Monitoring violation
Oct 1, 2023 Resolved
Revised Total Coliform Rule
Monitoring violation
Jun 1, 2021 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2020 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2020 Resolved
Public Notice
OTHER
Jun 1, 2019 Resolved
Revised Total Coliform Rule
Monitoring violation
Jun 1, 2019 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 2002

EPA's records for Ganado-Burnside-Cornfield-Steamboat NTUA go back to 2002. Before October 19, 2016 they list 4 health-based violations (4 resolved) and 67 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2000s 1 36
2010 to October 18, 2016 3 31
October 19, 2016 to 2019 0 2
2020s 0 5

Most recent health-based violation before October 19, 2016: Revised Total Coliform Rule, began August 2016, Resolved.

Show all 4 health-based violations before October 19, 2016
Contaminant Start date Status
Revised Total Coliform Rule
Treatment technique failure
Aug 1, 2016 Resolved
Total Coliform
Contaminant limit exceeded
Aug 1, 2012 Resolved
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
Total Coliform
Contaminant limit exceeded
Jan 1, 2008 Resolved

Enforcement actions

Navajo Nation EPA issued 1 boil water order to Ganado-Burnside-Cornfield-Steamboat NTUA in 2006. The most recent was a boil water order in June 2006.

Date By Action Violations covered
Jun 9, 2006 Navajo Nation EPA Boil water order 1 violation

What the violations mean

Revised Total Coliform Rule

1 incident

The system did not meet a requirement of the Revised Total Coliform Rule

Coliform and E. coli rules protect against bacteria in the distribution system

Where the water comes from

Ganado-Burnside-Cornfield-Steamboat NTUA draws water from 3 wells.

Annual water quality report

Ganado-Burnside-Cornfield-Steamboat 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.