// Risk Intelligence
| Risk Score | 7 / 10 High |
| Facility Type | 💧 Water Treatment Facility |
| Operator / Branch | Metropolitan Domestic Water Improvement District |
| Host County | Pima County AZ |
| Nearest City | Pepperell MA |
| Primary Risk Radius | 5 miles |
| Secondary Risk Radius | 20 miles |
// Strategic Significance
The Tucson metropolitan water district serves suburban Tucson communities that depend heavily on groundwater and Central Arizona Project Colorado River water. PFAS contamination from Tucson International Airport firefighting foam has contaminated groundwater wells throughout southern Tucson neighborhoods requiring treatment. The Colorado River shortages and groundwater depletion create serious long-term supply challenges for this rapidly growing desert community.
// Civilian Impact Assessment
Pima County with 1 million residents. PFAS from Tucson Airport firefighting foam contaminated groundwater in southern Tucson neighborhoods. Colorado River shortages threaten Central Arizona Project deliveries. Rapid population growth is straining water supplies in a desert environment.
// Evacuation & Shelter Guidance
I-10, AZ Route 86, Tucson Airport, Santa Cruz River. Pima County Emergency Management coordinates PFAS drought groundwater depletion and heat protocols.