Coppermine NTUA
PWSID: NN0400814 · Ft Defiance, AZ · Serves 342 people
According to EPA Safe Drinking Water Information System (SDWIS), Coppermine NTUA (PWSID NN0400814) in Ft Defiance, AZ is listed as a CWS water system covering about 342 people. The same extract lists 2 health-based violation records spanning 2017-2017. Those 2 health-based rows for Coppermine NTUA cover contaminants such as Arsenic; they remain historical EPA registry entries, not a current compliance or drinkability score.
Coppermine NTUA has 2 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 1 distinct EPA contaminant code appears in this system's record, including Arsenic. Recorded violations span 2017–2017. Day-to-day primacy enforcement for this system runs through the Arizona drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current 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 |
|---|---|---|
| Arsenic | 2 | 2 |
Frequently Asked Questions
What does EPA SDWIS list for Coppermine NTUA?
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Compare beyond Arizona
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest Coppermine NTUA on cumulative violation count (2) and EPA-reported population served (342). Violation-count peers include SAINT REGIS MOHAWK TRIBE, REDBY/RED LAKE, Kickapoo Traditional Tribe.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Nearby Water Systems
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About This Data
Coppermine NTUA (NN0400814) is drawn from EPA SDWIS. Nearby county systems in this extract include Farmington Rural-Shiprock-Beclabito NTUA; Fort Defiance-Window Rock-St Michaels NTUA; Chinle-Many Farms-Del Muerto NTUA; Tuba City NTUA. Health-based rows (2 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.