Public water system · 090400051
ActiveColorado River Regional Water System
Community water system in Arizona, drawing primarily on groundwater.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
8,490
Service connections
1,860
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant | Health-based | Status |
|---|---|---|---|---|
| 2025-12-01 | 3A | 8000 | No | Archived |
| 2025-10-01 | 27 | 0999 | No | Archived |
| 2025-03-01 | 4B | 8000 | No | Resolved |
| 2025-01-01 | 03 | 1040 | No | Archived |
| 2023-10-29 | 66 | 5000 | No | Resolved |
| 2023-01-01 | 03 | 1025 | No | Archived |
| 2023-01-01 | 03 | 1005 | No | Archived |
| 2021-01-01 | 30 | 2950 | No | Resolved |
| 2021-01-01 | 30 | 2456 | No | Resolved |
| 2021-01-01 | 03 | 1040 | No | Resolved |
| 2020-04-01 | 2A | 8000 | Yes | Resolved |
| 2017-01-01 | 03 | 1040 | No | Resolved |
Colorado River Regional Water System: frequently asked questions
Is Colorado River Regional Water System's water safe to drink?
Colorado River Regional Water System 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 Colorado River Regional Water System?
Colorado River Regional Water System (PWSID 090400051) is a native american-owned community water system, regulated by the EPA Region 09.
How many people does Colorado River Regional Water System serve?
Colorado River Regional Water System reports serving 8,490 people through 1,860 service connections in Arizona.
Where does Colorado River Regional Water System 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 |