services | Wetland Restoration | montezuma | bair island | hamilton 
 

MONTEZUMA WETLANDS RESTORATION

Solano County, CA

Client: Montezuma, LLC

The Montezuma Wetlands Restoration Project was a combined effort by Levine-Fricke Restoration Corp., the U.S. Army Corps of Engineers (USACE), San Francisco Estuary Institute (SFEI), and the Port of Oakland to return local farmland to its original wetland state using an upland ecosystem format of high and low marsh created with sediment material from the Oakland Bay dredging project. The Montezuma Wetlands encompass approximately 1800 acres in Solano County near the Montezuma Slough and Grizzly Island Wildlife Area. This location now provides habitat for both locally endangered species of plants and animals. Acting as the prime contractor for restoration team, DMS performed the following services:

CONSTRUCTION MANAGEMENT SERVICES: 

• DMS oversaw nine firms performing work activities related to the wetland restoration. All communications to the client and involved agencies were routed through DMS.
  

CONSTRUCTION SERVICES: 

• Conveyance piping and control structure installation
  
• Hydraulic and mechanical dredging of channels to enhance site water management
  
• Vernal pool construction
  

SITE OPERATIONS:

• Water management including creation of a hydraulic model to establish a water balance of the site
  
• Sediment compliance monitoring 
  
• Elevation monitoring of the mud surface using differential ground-positioning sonar (DGPS) survey techniques to evaluate consolidation rates
  
• Bathymetric surveys of ponds and channels
  
• Water quality monitoring during and after sediment placement
  Biological monitoring of the species, density and activities of shorebirds, the western pond turtle, and the endangered salt marsh harvest mouse.