2. IMPACT ON THE TOHONO O’ODHAM NATION The New Arsenic Regulations

5. 17 COMMUNITIES POTENTIAL CAPITAL COST $285,000.00 PER POINT OF ENTRY Number of Systems Exceeding the New Standard

6. Rough Estimate A majority of the TOUA systems have multiple points of entry so the anticipated capital cost could exceed 6.5 million dollars: Funding sources IHS EPA RD BOR

7. Current Plans Exploratory Drilling (new source development) Seeking out funding sources Researching Standardized Treatment Plants Continued Staff Development Researching all options Keeping the TOUA Board Informed

8. FORCAST More System Consolidation Higher Water Rates- once actual cost of operations is determined. Community specific rates may apply. More Automation and Real-Time Monitoring Improved efficiencies, and staff adjustments Consumer Education.

9. OUR FIRST PLANT