1. Regulatory Update Carrie Austin, SF Bay Water Board Michelle Wood, CV Water Board

2. Water Quality Management Process Monitoring Special Discharger Studies CWA 303(d) Planning Assessment Implementation Evaluation Basin Plan - Uses - Objectives - Impl. Program - TMDLs WDRs Waivers Prohibitions Review - Monitoring Results - Mgmt. Plans Water Quality Improvement

3. SF Bay Area Mercury TMDLs

4. Walker Creek Fish Tissue Mercury Water Quality Objectives For smaller preyfish 0.05 mg Hg/kg fish For larger preyfish 0.1 mg Hg/kg fish

5. Mercury Mine Wastes Gambonini Mine Site Soulajule Watershed Mines Downstream Depositional Areas

6. Allocation: 5 mg/kg total mercury in sediment Management action: erosion control Remediation Reduced Gambonini Mine Mercury Loads by 90% Mine Remediation Post-Remediation

7. Soulajule Watershed Allocations: 0.04 ng/l methylmercury in reservoir 0.5 mg/kg particulate mercury discharged Implementation actions: Evaluate and resolve problem

8. Downstream Depositional Areas Allocation: 0.5 mg/kg total mercury in sediment Management question C: How will erosion control & riparian restoration affect MeHg?

9. Tomales Bay Mercury, Nutrients & Siltation TMDL

10. Guadalupe & SF Bay Hg TMDLs

11. Guadalupe River Watershed Hg TMDL

12. SF Bay Hg TMDL

13. Sources, Loads, and Allocations

14. New Water Quality Objectives in SF Bay 0.2 ppm mercury in large predator fish 0.03 ppm mercury in prey fish California least tern

15. Next: Central Valley Hg TMDLs