Nogales, Arizona Water Violations
10 water systems serve Nogales, Arizona, providing drinking water to an estimated 25,502 people. These systems have 11 health-based violations on record, meaning contaminant levels exceeded EPA maximum contaminant levels (MCLs) or required treatment standards were not met.
Select a water system below to see its full violation history, lead and copper testing results, and compliance status.
| Water System | Population Served | Source | Violations | Health-Based |
|---|---|---|---|---|
| Nogales City of | 22,000 | Groundwater | 661 | 5 |
| Kino Ranch 2 | 109 | Groundwater | 102 | 2 |
| Town & Country - Preston | 430 | Groundwater | 88 | 2 |
| The Grand Acres | 153 | Groundwater | 45 | 1 |
| Gen Properties LLC | 100 | Groundwater | 11 | 1 |
| Valle Verde Water Company - East | 2,331 | Groundwater | 351 | 0 |
| Valle Verde Water Company - West | 74 | Groundwater | 33 | 0 |
| Ac's Truck Stop | 110 | Groundwater | 14 | 0 |
| Tumacacori National Historic Park | 170 | Groundwater | 11 | 0 |
| Usfs-Cnf Nogales Admin | 25 | Groundwater | 3 | 0 |