Napa River Dredging
Federal Project
April 5, 2022
City Council Meeting
4/5/2022
Supplemental - 6.C.
From: City Staff
Nationally Recognized
Improvements for a Healthy,
Active River
• Flood Protection Improvements
• New Bridges
• Habitat Restoration
• Biking and Walking Trails
• Downtown Boat Dock
• Complementary Adjacent
Development
And a clear, maintained navigation
channel results in increased boating
activities, visitors, and economic
development
• Napa River is a federal navigation channel from Third Street to San Pablo Bay • US Army Corps of Engineers has responsibility for navigational dredging • Flood Control District is the local sponsor, responsible for securing a site to deposit dredge material and for local coordination
• $4.75M federal investment in dredging the Napa River
Napa River Dredging
Background
• Federal Dredging Projects:
1950, 1962, 1981, 1988,
1997/1999, and 2016 &
proposed 2022
• Channel design depth of 10
feet Mean Lower Low Water
• Previous Placement Sites:
Imola Avenue, Edgerly Island,
Kennedy Park, & proposed
South Jefferson
Clam Shell Method Operations
Kennedy Park
State Route 29
South
Jefferson
Street
The Meadows
of Napa Valley
Napa Yacht Club
City purchases 111.5
acres with FEMA
grant and conveys
property to Flood
District. (2000)
Flood District conveys 58
acres back to the City
with deed restriction
allowing Flood District to
deposit soil. (2007)
Napa Flood Control Project
Groundbreaking: July 31, 2000
South Jefferson Property
Approximately 1000 acres of farming land was
transformed to marsh, wetland, and tidal flats
SWOA 1940 SWOA 2007
Proposed
Next Steps
• Assess City Council support for depositing material at South Jefferson Street; compatible with future park development • Negotiate agreement with Flood District for use of site to deposit dredge material
• Flood District to lead community outreach efforts and obtain all required permit approvals
• Dredging planned for August‐December 2022