Sponsors & Partners


NexGen Septics LLC is a distributor of the Presby Advanced Enviro-SepticĀ® and EnviroFinĀ® treatment systems which services dealers, engineers, and installers in California and Hawaii. At NexGen Septics, our Team seeks to develop innovative, affordable, and effective approaches in the onsite wastewater market to ensure that customers, regulatory agencies, engineers, designers, and installers will benefit from state-of-the-art solutions. While protecting our most valuable resource, WATER!



Established in 1983, NorthStar is a Certified Small Business  multi-disciplinary engineering, architecture, surveying, planning, and environmental consulting firm. NorthStar specializes in municipal transportation and infrastructure projects, building design, surveying, site planning and land development, onsite wastewater systems, environmental analysis and documentation, biological and wetland resources analysis, regulatory permit processing, and construction management and monitoring. Our Team of over 30 professionals, includes civil engineers licensed in California, Oregon and Colorado; licensed architects; LEED accredited professionals; licensed land surveyors; environmental planners; and biologists.


PACE (logo & more information coming soon)

GEOFLOW (logo & more information coming soon)


California Onsite Water Association
PO Box 1063 | Groveland, CA | 95321

Powered by Wild Apricot Membership Software