How GLSD is keeping the Merrimack clean.

In compliance with local, state and national regulations, we work daily to protect the health and safety of our communities and environment.

In addition to innovative processes that adapt to the needs of our changing climate, meeting the needs of our growing population and industrial waste management are core to our work across the Greater Lawrence Area.

Wastewater Management

Breaking down our wastewater process into 5-steps, get a high-level understanding of what it takes to collect and treat wastewater responsibility for over 250,000 residents.

Wastewater Solutions

Solid Waste Management

Our solid waste management process converts biosolids and organics to fuel and fertilizer helping create closed loop systems within our communities.

Solid Waste Solutions

Motorhome Waste Management

If you have a motorhome, RV or camper, access our free septage disposal service onsite at GLSD.

How it Works

Industrial Pretreatment

Learn how we are helping our environmental leaders at the USEPA by enforcing regulations in Massachusetts.

Learn More