ve logo


Waste Water

Rain & Storm Water

Energy & Eco Tech

Watershed Ecology




707 391 1761



























water field
The Team


Anna Birkas General ContractorAnna Birkás founded Village Ecosystems to provide essential service for water design and construction, especially as it relates with energy, nutrients, and ecosystems. She brings together a team of professionals, each with their own specialization.  Together we offer the best in water design for a sustainable future. 

707 391 1761     Call me!  -  No job too small! 



gray water

Anna Birkás has her M.S. in Hydrology, B.S. in Environmental Ecology, and is a licensed general Building Contractor. She has worked in watershed sciences, ecology, and construction for 12 years.  She is profecient in hydrologic and soils analysis, ecological composition, construction and materiels, codes and permitting, and team leadership.

Teri Jo Barber

Teri Jo Barber of is a registered Hydrologist with the American Institute of Hydrology and licenced stormwater practitioner. She has a M.S. Watershed Management and a B.S. in Water Quality.  Teri Jo has 16 years experience implementing bioengineering jobs in streams and roads of Northern California using native plants and materiels. She provides expertise in ecology, hydrology, storm water, permitting and construction management. www.ridgetoriver.com.

Jason Brenner

Jason Brenner is a graduate of the Carnegie-Mellon University with a Bachelor of Architecture degree. He has over 20 years experience in architectural design and building crafts and specializes in environmentally responsive design, historical restoration, adaptive re-use and infill development. His approach is engaging, up lifting and proactive. 

joe odegaard

Joe Řdegaĺrd, Architect AIA mendocinoarchitect.com, specializes in building durability and sustainable design. Joe has worked in Mendocino County on projects ranging from preservation of historic buildings and design of modern Sea Ranch residences to boat building, architectural illustration, and stonework. As an architect, he is committed to principles of effecient energy and resource use. www.mendocinoarchitect.com

natural swimming pools

Michael Littlewood is a landscape archetect  with an extensive background in permaculture and ecological integration. Michael is the author ofseveral books including two on natural swimming pools: Natural Swimming pools: A guide for builders and Natural Swimming Pools Inspiration for Harmony with Nature. Michael has designed projects in many contries with componants in eco-building, bio-engineering, renewable energy, water harvesting and treatment, and nature conservation. www.ecodesignscap.co.uk


Dan Antonioli is a licensed general building contractor specializing in green renovation and development. He founded and developed the 611 ecovillage, an intentional community in Oakland, is currently developing a green subdivision in Laytonville.  His work focus includes green design, building, and consultation for both residential and commercial projects. His background includes solar and renewable energy, sustainable water systems, conservation strategies, permaculture, green roofs, septic design, and land-use planning. Dan is available for building, design, and consultation. www.611ecovillage.com