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A metal culvert in a marshy area with tall brown reeds and water reflecting the surroundings.

County of Sonoma Post-closure Compliance Monitoring

County of Sonoma Post-closure Compliance Monitoring Sonoma County, CA EBA has been providing landfill engineering services to the County of Sonoma since the early 1990’s. These services have encompassed permitting, design, construction management, site characterization and environmental reporting.  Currently, EBA is contracted for the performance of post-closure compliance monitoring and reporting for the following County…

Two large water tanks and a windmill in a grassy field, with a person standing nearby.

Brassfield Estate Vineyards

Brassfield Estate Vineyards – Water Budget Report & Groundwater Flow Model Clearlake Oaks, CA  For this project, EBA developed the transient three-dimensional calibrated High Valley Groundwater Basin (HVGB) Groundwater Flow Model (GFM) to build a better understanding of regional groundwater flow, develop an updated and more sophisticated water budget, and provide insight into cumulative aquifer…

Utility workers with trucks and equipment work on a street, with traffic cones blocking off the area.

Ghera Property

Ghera Property – Soil & Groundwater Investigation Arcata, CA EBA performed a soil and groundwater investigation for the Ghera property in Arcata, California.  The purpose of this investigation was to assess the soil and groundwater impacts from a former dry-cleaning business at the project site. After performing initial site characterization work, EBA prepared a Report…

A row of six electrical relays labeled CR3 to CR7 connected with white and red wires.

City of Ukiah Corporation Yard

City of Ukiah Corporation Yard Site Investigation & Remediation Ukiah, CA EBA performed an initial environmental investigation and characterized the impacts to soil and groundwater during several phases of work that were conducted both on and off the project site. EBA prepared a Corrective Action Plan/Feasibility Study for the remediation of impacted soil and groundwater,…

Two construction workers install and cover a large underground storage tank with gravel and soil.

Santa Rosa Public Safety UST

City of Santa Rosa Public Safety Building UST Investigation, Remediation & Case Closure Santa Rosa, CA EBA performed environmental characterization services for the Public Safety Building in Santa Rosa. The site contained three 10,000-gallon and one additional waste oil Underground Storage Tanks (UST).  EBA prepared an initial environmental investigation through the advancement of several borings.…

Worker operating heavy drilling equipment on a concrete floor in an industrial parking garage.

City of Santa Rosa Garage 9 UST

City of Santa Rosa Garage 9 UST Investigation & Remediation Santa Rosa, CA EBA was contracted by the City of Santa Rosa to perform an in-situ remediation of the petroleum hydrocarbon impacts associated with leaking underground storage tanks formerly located within the Garage 9 parking structure. EBA oversaw the installation of three dual phase extraction…

Two workers operate machinery on a trail, surrounded by traffic cones and a truck, with trees in the background.

Joe Rodota Trail Pedestrian Bridge Replacement

Joe Rodota Trail Pedestrian Bridge Replacement Sonoma County, CA The Joe Rodota Trail is a 2.8-mile multi-use trail and Class One bike path located along an abandoned railroad line between the cities of Santa Rosa and Sebastopol.  The trail is one segment of the West County Trail and offers opportunities for families with young children…

A grassy hill covered in yellow wildflowers under a clear blue sky, with trees in the background.

Beebe Ranch Environmental Cleanup and Biological Monitoring

Beebe Ranch Environmental Cleanup and Biological Monitoring Sonoma County, CA EBA conducted a Phase I Environmental Site Assessment (ESA) on a 100+ acre ranch property. An environmental concern identified during the Phase I ESA was the presence of a significant number of waste tires placed within a creek channel on the property. EBA worked with…

Single-story beige building with a sign reading SAMUEL CUN...; truck and green grass in front, cloudy sky.

Sam Jones Hall Annex Improvements

Sam Jones Hall Annex Improvements CEQA Study and Master Site Plan Sonoma County, CA EBA was chosen by the City of Santa Rosa to provide preliminary engineering design and environmental services for the Sam Jones Hall Annex improvement project involving preparation of a master site plan capturing all requested site features and facility improvements for…

Wooden footbridge with a wire railing in a green, sunlit landscape with trees and vineyards in the background.

West County Trail

West County Trail – Forestville Trailhead Sonoma County, CA EBA was contracted to provide civil engineering services related to the West County Trail – Forestville Trail located in Forestville, California. The trail connects the existing West County / Joe Rodota Trail from Pajaro Lane, traversing northernly through the proposed Forestville Square project and connecting to…