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Over 50% of our volume of work consists of small and mid-size wastewater treatment systems. VanDerWall Engineering designs wastewater systems that are economical, environmentally sound and use the latest in wastewater technology. We have vast experience with commercial and residential wastewater systems. VanDerWall Engineering is also a distributer of Bio-Microbics® Products for northern California.

Distributer of Bio-Microbics®

VanDerWall Engineering Inc. is a unique civil engineering firm because we are also a distributer for Bio-Microbics® products. With the experience in both the design of wastewater and stormwater systems and the supplying of equipment and materials we are able to provide fast and accurate cost estimates for projects that include design fees, materials, permit fees, and an engineer’s cost estimate for construction.

Planning & Permits

VanDerWall Engineering will take your project through the planning and permitting steps for preliminary site plans, zoning and use permits, County and Environmental Health permits, Caltrans Encroachment Permits, California Fish and Game permits, Regional Water Quality Control Board permits, and US Army Corps of Engineers permits.

Site Development

We are experienced in site development and can help you take your vision for your site and turn it into reality. We produce site plans, topographic maps, public improvement plans and on-site improvement plans.

Engineering Services During Construction

During construction VanDerWall Engineering will assist your project by doing inspections, cost estimates and assisting in the bidding process. We can also provide ‘As Built’ drawings upon the completion of your project.

Environmental Services

Vanderwall Engineering has experience in developing Storm Water Preventative Pollution Plans (SWPPP) as well as Spill Prevention Control and Counter Measure Plans (SPCC).