Public water system · NN0403000
ActiveFort Defiance-Window Rock-St Michaels Ntua
Community water system in Arizona, drawing primarily on groundwater.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
12,869
Service connections
3,763
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant | Health-based | Status |
|---|---|---|---|---|
| 2025-02-01 | 75 | 7500 | No | Unaddressed |
| 2025-02-01 | 2A | 8000 | Yes | Unaddressed |
| 2018-07-01 | 30 | 2950 | No | Resolved |
| 2018-07-01 | 30 | 2456 | No | Resolved |
| 2018-04-01 | 30 | 2950 | No | Resolved |
| 2018-04-01 | 30 | 2456 | No | Resolved |
| 2018-01-01 | 03 | 1041 | No | Resolved |
| 2018-01-01 | 03 | 1040 | No | Resolved |
| 2017-01-01 | 02 | 2950 | Yes | Resolved |
| 2017-01-01 | 75 | 7500 | No | Resolved |
| 2016-10-01 | 02 | 2950 | Yes | Resolved |
| 2016-07-01 | 02 | 2950 | Yes | Resolved |
Fort Defiance-Window Rock-St Michaels Ntua: frequently asked questions
Is Fort Defiance-Window Rock-St Michaels Ntua's water safe to drink?
Fort Defiance-Window Rock-St Michaels Ntua is an active community water system regulated under the Safe Drinking Water Act, overseen by the NN state drinking water program. EPA SDWA violation and enforcement records for this system are being added to AquaCensus from EPA ECHO; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.
Who runs Fort Defiance-Window Rock-St Michaels Ntua?
Fort Defiance-Window Rock-St Michaels Ntua (PWSID NN0403000) is a native american-owned community water system, regulated by the NN state drinking water program.
How many people does Fort Defiance-Window Rock-St Michaels Ntua serve?
Fort Defiance-Window Rock-St Michaels Ntua reports serving 12,869 people through 3,763 service connections in Arizona.
Where does Fort Defiance-Window Rock-St Michaels Ntua get its water?
EPA SDWIS lists this system's primary water source as groundwater.
Other water systems in Arizona
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| New York City System | Richmond | 8,271,000 | Community | Surface water |
| Los Angeles-City, Dept. of Water & Power | Los Angeles | 7,751,132 | Community | Surface water |
| City of Houston | Harris | 2,970,543 | Community | Surface water |
| Chicago | Cook | 2,746,388 | Community | Surface water |
| MWRA | Suffolk | 2,660,000 | Community | Surface water |
| Mdwasa - Main System | Miami-Dade | 2,377,460 | Community | Groundwater |