Public water system · AZ0410968
ActiveRio Mercado Water
Community water system in Pima County, Arizona, drawing primarily on groundwater.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
266
Service connections
89
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant | Health-based | Status |
|---|---|---|---|---|
| 2025-07-01 | 51 | 5000 | No | Unaddressed |
| 2025-01-01 | 51 | 5000 | No | Resolved |
| 2025-01-01 | 03 | 1005 | No | Archived |
| 2025-01-01 | 03 | 1025 | No | Archived |
| 2024-10-17 | 2E | 5200 | Yes | Resolved |
| 2024-10-17 | 4G | 5200 | No | Resolved |
| 2024-10-01 | 3A | 8000 | No | Resolved |
| 2024-09-01 | 3A | 8000 | No | Resolved |
| 2024-08-01 | 3A | 8000 | No | Resolved |
Rio Mercado Water: frequently asked questions
Is Rio Mercado Water's water safe to drink?
Rio Mercado Water is an active 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 Rio Mercado Water?
Rio Mercado Water (PWSID AZ0410968) is a private-owned community water system, regulated by the AZ state drinking water program.
How many people does Rio Mercado Water serve?
Rio Mercado Water reports serving 266 people through 89 service connections in Pima County, Arizona.
Where does Rio Mercado Water 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 |