Ponds 6, 7 & 8 Permitting Update

Napa Sonoma Marsh Restoration Group MeetingNapa Sonoma Marsh Restoration Group Meeting

USGS San Pablo Field Station OfficeUSGS San Pablo Field Station Office

Mare IslandMare Island

November 17, 2010November 17, 2010

April 17, 2008April 17, 2008

Quick Tour

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

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

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

Water Quality Permits

• NPDES Permit – diluted bittern discharge

• 401 Water Quality Certification

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

Mixing Chamber/ Donut

POND 7

POND 7A

POND 7/7A DONUT (MIXING CHAMBER)

Ambient water

Ambient water

Bittern

Mixture of Bittern and Ambient water

Pond 7 Sampling

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

401 Water Quality Certification

• Application nearly complete

• Expect late November submittal to RWQCB

Thank you

County Road at South End of Pond 8