Standing Rock NTUA
PWSID: NN3503029 · Ft Defiance, AZ · Serves 739 people
According to EPA Safe Drinking Water Information System (SDWIS), Standing Rock NTUA (PWSID NN3503029) in Ft Defiance, AZ is listed as a CWS water system covering about 739 people. PlainEnviro's health-based extract shows zero health-based violation records for this system. PlainEnviro's extract shows zero health-based violation rows for Standing Rock NTUA; those counts stay historical EPA registry rows, not a current compliance or drinkability score.
Standing Rock NTUA has no health-based violation records in PlainEnviro's EPA SDWIS extract. This does not establish current safety or compliance.
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. No contaminant code appears in the extract. 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)
- NN3503029
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Ft Defiance, AZ
- Population Served
- 739
- Health Violations
- None
No Violations on Record
Standing Rock NTUA has no violations recorded in the EPA Safe Drinking Water Information System.
Frequently Asked Questions
What does EPA SDWIS list for Standing Rock NTUA?
How many people does Standing Rock NTUA serve?
Compare beyond Arizona
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest Standing Rock NTUA on cumulative violation count (0) and EPA-reported population served (739). Population peers include LOCKESBURG WATERWORKS, OAKLAND, WATER ASSOCIATION OF MOON LAKE.
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
Nearby Water Systems
Explore More
About This Data
Standing Rock NTUA (NN3503029) 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 (none listed) 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.