Public water system · 090400003
ActiveChui Chu
Community water system in Arizona, drawing primarily on groundwater.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
420
Service connections
103
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant | Health-based | Status |
|---|---|---|---|---|
| 2025-07-01 | 52 | 5000 | No | Unaddressed |
| 2015-04-01 | 03 | 1040 | No | Resolved |
| 2004-01-01 | 03 | 1040 | No | Resolved |
| 2003-01-01 | 03 | 1040 | No | Resolved |
| 2002-10-01 | 22 | 3100 | Yes | Resolved |
| 2000-12-01 | 22 | 3100 | Yes | Resolved |
| 2000-11-01 | 22 | 3100 | Yes | Resolved |
Chui Chu: frequently asked questions
Is Chui Chu's water safe to drink?
Chui Chu is an active community water system regulated under the Safe Drinking Water Act, overseen by the EPA Region 09. 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 Chui Chu?
Chui Chu (PWSID 090400003) is a native american-owned community water system, regulated by the EPA Region 09.
How many people does Chui Chu serve?
Chui Chu reports serving 420 people through 103 service connections in Arizona.
Where does Chui Chu 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 |