E.P.C. is a provider of onsite wastewater treatment plants.

Its systems serve commercial, public, and residential needs with products based on a proprietary process for air-positive biological reduction.The companys two main products are the Bio-Robi, designed for individual homes, and the BioDisk, intended for clusters of residences and small villages.

The Bio-Robi is an environmentally friendly wastewater solution that converts domestic sewage into clean, odorless effluent for reuse in irrigation or other applications.E.P.C. is also developing complementary sewage-handling products.