Reduce Drainfield Size With This Passive Treatment System

When replacing septic systems for older homes, the Rotti and Son installation company often needs compact drainfield solutions. In many such cases the company, based in Templeton, Massachusetts, uses Enviro-Septic passive treatment systems from Presby Environmental (owned by Infiltrator Water Technologies), when so directed by design engineers. Co-owner Luke Rotti says the units enable substantial reductions in drainfield size while complying with local and state regulations.The Enviro-Septic system replaces rock drainfield media with plastic corrugated and perforated pipe units 10 feet long with a 12-inch outside diameter. The pipes are then wrapped with a dense mat of plastic fibers and a