Ponds 6, 7 & 8 Permitting Update

1. Ponds 6, 7 & 8 Permitting Update Napa Sonoma Marsh Restoration Group Meeting USGS San Pablo Field Station Office Mare Island November 17, 2010 April 17, 2008

2. Quick Tour

3. NSM Ponds 6,7,8 BCDC Permit • BCDC Material Amendment #2 to existing permit • Scoping Meeting with BCDC Permit Staff • Entire site falls under salt pond jurisdiction • DRB Meeting 8.19.10 • Support concept & understand wildlife needs • Place a rustic bench (stone or log) at Pond 7 trail end • Maintain “rustic character” of site in signage and infrastructure Shoreline Band

4. BCDC Application Status • Corps is applicant, DFG is owner • Draft application complete • Monitoring: pre-, during, post construction • Water Quality • Biological: Western Snowy Plover, Least Tern • Invasive species, Habitat use: birds, SMHM, BMI • Physical: bathymetry, sediment • Funding dependent level of effort

5. Next-up: Commission Meeting • No issues anticipated • Schedule goal: 1st quarter of 2011 • Associated permits required • NMFS BO for green sturgeon: avoidance • USFWS BO: snowy plover nesting • 401 & NPDES permits

6. Water Quality Permits • NPDES Permit – diluted bittern discharge • 401 Water Quality Certification

7. NPDES Permit • Individual permit • Discharge diluted Pond 7 bittern • Major concern - ability to meet WQOs • Cu & Ni WQOs rarely met in dilution water source (Napa and Mud Sloughs) • South Pond project = permit template

8. Mixing Chamber/ Donut

9. Pond 7 Sampling

10. NPDES Permit • Application submitted to RWQCB • Oct. 15, 2010 • Expected milestones • Early Dec. – site visit • (Jan. – meeting with RWQCB?) • Feb. – draft permit to team for review • Late Mar. – public review • Jun. – Board approval

11. 401 Water Quality Certification • Application nearly complete • Expect late November submittal to RWQCB

12. Thank you

13. County Road at South End of Pond 8