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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…

Brassfield Estate Vineyards

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…

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…

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,…

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.…

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…

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…

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…

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…

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…