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Community Wastewater Treatment System Recharges Groundwater Supplies and Minimizes Saltwatrer Intrusion

The coastal community of Los Osos, California had for generations met their wastewater needs with onsite wastewater treatment systems that were now outdated. As urban density increased, code-compliant systems could not be designed to fit the small lots. Additionally, the coastal, agricultural community was experiencing saltwater intrusion as groundwater was pumped to meet demand and hence saltwater began to intrude further inland. The Regional Water Quality Control Board declared a prohibition zone and a building moratorium.

Project Snapshot

System Specifications: 1.6 MGD collection, conveyance, treatment and water reuse

Infiltrator Products Used: 20,000 linear feet of Infiltrator Chambers

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