RIO MERCADO WATER Water Quality Report
Population
266
people served
Water Source
🏔️ Ground
wells & aquifers
National Rank
Top 90%
of 49,184 US systems
5-Year Record
⚠️ 14
violations recorded
C
Fair
Safety Grade
14 violations in the past 5 years, including 1 health-based
System Details
- PWSID
- AZ0410968
- Population Served
- 266
- Water Source
- Ground Water
- Owner
- Private
- State
- Arizona
- EPA Region
- 9
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 8000 | ⚠ Monitoring/Reporting | 10 |
| Contaminant 5200 | ✕ Health-Based | 2 |
| Contaminant 5000 | ⚠ Monitoring/Reporting | 2 |
Violation History
2025
2
2024
12
Total violations on record: 14
Service Area
Cities Served
ZIP Codes Served
How does this compare?
This systemNational average
Grade C
Avg: B-C
14violations total
50% of national average
National avg: ~28 per system
🏘️ Small community water system.