Public water system · AZ0420474
ActiveElkhorn Ranch
Transient non-community water system in Pima County, Arizona, drawing primarily on groundwater.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
40
Service connections
30
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
Violations & enforcement
| Began | Violation | Contaminant | Health-based | Status |
|---|---|---|---|---|
| 2025-12-01 | 4B | 8000 | No | Unaddressed |
| 2025-11-01 | 4B | 8000 | No | Unaddressed |
| 2023-04-01 | 4B | 8000 | No | Resolved |
| 2023-03-01 | 4B | 8000 | No | Resolved |
| 2021-01-01 | 4B | 8000 | No | Resolved |
| 2017-04-01 | 4B | 8000 | No | Resolved |
| 2013-02-01 | 23 | 3100 | No | Resolved |
| 2012-04-01 | 23 | 3100 | No | Resolved |
| 2007-04-01 | 23 | 3100 | No | Resolved |
| 2006-01-01 | 23 | 3100 | No | Resolved |
| 2004-04-01 | 23 | 3100 | No | Resolved |
| 1999-11-01 | 25 | 3100 | No | Resolved |
Elkhorn Ranch: frequently asked questions
Is Elkhorn Ranch's water safe to drink?
Elkhorn Ranch is an active transient non-community water system regulated under the Safe Drinking Water Act, overseen by the AZ 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 Elkhorn Ranch?
Elkhorn Ranch (PWSID AZ0420474) is a public/private partnership-owned transient non-community water system, regulated by the AZ state drinking water program.
How many people does Elkhorn Ranch serve?
Elkhorn Ranch reports serving 40 people through 30 service connections in Pima County, Arizona.
Where does Elkhorn Ranch get its water?
EPA SDWIS lists this system's primary water source as groundwater.
Other water systems in Pima County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Tucson City of | Pima | 732,906 | Community | Groundwater |
| University of Arizona | Pima | 50,000 | Non-transient non-community | Groundwater |
| Metropolitan Dwid | Pima | 45,570 | Community | Groundwater |
| Oro Valley Water Utility | Pima | 42,316 | Community | Groundwater |
| Community Wc of Green Valley | Pima | 22,085 | Community | Groundwater |
| Usaf Davis Monthan Afb | Pima | 18,640 | Community | Groundwater |