PlainEnviro

Aneth NTUA

PWSID: NN4900220 · Ft Defiance, AZ · Serves 1,481 people

Health Violations

Aneth NTUA has 71 health-based violations out of 71 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.

Population Served
1,481
Total Violations
71
Health Violations
71
Source Type
Groundwater

Aneth NTUA (PWSID NN4900220) is a cws water system drawing from a groundwater source, regulated by the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act. It serves approximately 1,481 people in Ft Defiance, AZ, and is subject to primacy enforcement by the Arizona drinking-water program.

The system's federal compliance record contains 71 total violations, with 71 classified as health-based (MCL exceedances or treatment-technique failures). 1 distinct contaminant has been cited, including Barium. Recorded violations span 2016–2024.

A historical violation does not necessarily describe current water quality, systems must notify customers and remediate, and monitoring-type violations often reflect reporting lapses rather than contamination. The most authoritative real-time source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Arizona state drinking-water program's public portal.

System Details

EPA ID (PWSID)
NN4900220
System Type
CWS
Water Source
Groundwater
Location
Ft Defiance, AZ
Population Served
1,481
Health Violations
Yes (71)

What contaminants are in this water system?

Contaminant Violations Health-Based
Barium 71 71

Violation History (71)

Contaminant Health Date
Barium Yes Jan 1, 2024
Barium Yes Jan 1, 2024
Barium Yes Oct 1, 2023
Barium Yes Oct 1, 2023
Barium Yes Jul 1, 2023
Barium Yes Jul 1, 2023
Barium Yes Jul 1, 2023
Barium Yes Apr 1, 2023
Barium Yes Apr 1, 2023
Barium Yes Apr 1, 2023
Barium Yes Jan 1, 2023
Barium Yes Jan 1, 2023
Barium Yes Jan 1, 2023
Barium Yes Oct 1, 2022
Barium Yes Oct 1, 2022
Barium Yes Jul 1, 2022
Barium Yes Jul 1, 2022
Barium Yes Jul 1, 2022
Barium Yes Apr 1, 2022
Barium Yes Apr 1, 2022
Barium Yes Apr 1, 2022
Barium Yes Jan 1, 2022
Barium Yes Jan 1, 2022
Barium Yes Oct 1, 2021
Barium Yes Oct 1, 2021
Barium Yes Jul 1, 2021
Barium Yes Jul 1, 2021
Barium Yes Apr 1, 2021
Barium Yes Apr 1, 2021
Barium Yes Jan 1, 2021
Barium Yes Jan 1, 2021
Barium Yes Oct 1, 2020
Barium Yes Oct 1, 2020
Barium Yes Jul 1, 2020
Barium Yes Jul 1, 2020
Barium Yes Apr 1, 2020
Barium Yes Apr 1, 2020
Barium Yes Jan 1, 2020
Barium Yes Jan 1, 2020
Barium Yes Oct 1, 2019
Barium Yes Oct 1, 2019
Barium Yes Jul 1, 2019
Barium Yes Jul 1, 2019
Barium Yes Apr 1, 2019
Barium Yes Apr 1, 2019
Barium Yes Jan 1, 2019
Barium Yes Jan 1, 2019
Barium Yes Oct 1, 2018
Barium Yes Oct 1, 2018
Barium Yes Jul 1, 2018
Barium Yes Jul 1, 2018
Barium Yes Apr 1, 2018
Barium Yes Apr 1, 2018
Barium Yes Jan 1, 2018
Barium Yes Jan 1, 2018
Barium Yes Oct 1, 2017
Barium Yes Oct 1, 2017
Barium Yes Jul 1, 2017
Barium Yes Jul 1, 2017
Barium Yes Apr 1, 2017
Barium Yes Apr 1, 2017
Barium Yes Jan 1, 2017
Barium Yes Jan 1, 2017
Barium Yes Oct 1, 2016
Barium Yes Oct 1, 2016
Barium Yes Jul 1, 2016
Barium Yes Jul 1, 2016
Barium Yes Apr 1, 2016
Barium Yes Apr 1, 2016
Barium Yes Jan 1, 2016
Barium Yes Jan 1, 2016

Frequently Asked Questions

Is Aneth NTUA water safe to drink?
Aneth NTUA has 71 health-based violations out of 71 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed. The system uses groundwater water as its source.
How many people does Aneth NTUA serve?
Aneth NTUA serves 1,481 people in Ft Defiance, AZ. It is classified as a CWS water system.
What violations does Aneth NTUA have?
Aneth NTUA has 71 total violations on record spanning 2016–2024. 71 are health-based violations involving contaminants exceeding EPA limits.
What contaminants have been found in Aneth NTUA water?
Violations have been recorded for 1 contaminant. The most frequent: Barium.

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Explore More

Arizona Water Systems → All States → Contaminants →

About This Data

Water system data is from the EPA Safe Drinking Water Information System (SDWIS). Health-based violations include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations that may pose a direct risk to public health. Violation records may span multiple years.

Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services U.S. Environmental Protection Agency, SDWIS Federal Reporting Services

Read our methodology - how this data is sourced, computed, and verified.

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