PlainEnviro

Coppermine NTUA

PWSID: NN0400814 · Ft Defiance, AZ · Serves 342 people

Health Violations

Coppermine NTUA has 2 health-based violations out of 2 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.

Population Served
342
Total Violations
2
Health Violations
2
Source Type
Groundwater

Coppermine NTUA (PWSID NN0400814) 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 342 people in Ft Defiance, AZ, and is subject to primacy enforcement by the Arizona drinking-water program.

The system's federal compliance record contains 2 total violations, with 2 classified as health-based (MCL exceedances or treatment-technique failures). 1 distinct contaminant has been cited, including Barium. Recorded violations span 2017–2017.

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)
NN0400814
System Type
CWS
Water Source
Groundwater
Location
Ft Defiance, AZ
Population Served
342
Health Violations
Yes (2)

What contaminants are in this water system?

Contaminant Violations Health-Based
Barium 2 2

Violation History (2)

Contaminant Health Date
Barium Yes Jan 1, 2017
Barium Yes Jan 1, 2017

Frequently Asked Questions

Is Coppermine NTUA water safe to drink?
Coppermine NTUA has 2 health-based violations out of 2 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 Coppermine NTUA serve?
Coppermine NTUA serves 342 people in Ft Defiance, AZ. It is classified as a CWS water system.
What violations does Coppermine NTUA have?
Coppermine NTUA has 2 total violations on record spanning 2017–2017. 2 are health-based violations involving contaminants exceeding EPA limits.
What contaminants have been found in Coppermine 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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