Ecological Engineering Group is a unique engineering and design practice combining conventional engineering, innovative ecological design, and permitting know-how. They provide a wide array of services including septic system alternatives, securing permits and approvals, advanced onsite wastewater treatment and reuse systems, zero-discharge systems, stormwater/rainwater systems, landscape architecture and building-integrated design, water and energy conservation, low-impact development and green infrastructure, design, build, and operate (DBO), permitting and regulatory compliance, and title 5 systems for Massachusetts.