Latest News

GLSD response to recent events on October 30, 2017

Dear Neighbors, As you surely know, the Greater Lawrence Sanitary District (GLSD) suffered an extremely unusual overflow event on October 30, 2017. This event, leading to the discharge of a combination of storm water and sewerage into the Merrimack River,

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GLSD – Organics to Energy, Phase II Digester Project

08/02/2017 Aerial Progress Video

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Earth Day 2016

GLSD Honored for Saving $1 Million Dollars and for Implementing an Organics to Energy Program On Earth Day 2016, the Massachusetts Department of Environmental Protection (MassDEP) honors the Greater Lawrence Sanitary District (GLSD) for its $1 million dollar energy savings

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GLSD Dedicated New CSO Facilities

Robert Varney, EPA Regional Administrator and Richard Hogan, GLSD Executive Director CSO Dedication Ceremony After the formal ceremony attendees were given tours of the new facilities. North Andover, MA – On September 26, 2007 the Greater Lawrence Sanitary District dedicated

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Rules & Regulations

The Greater Lawrence Sanitary District (GLSD) is a 52 million gallon per day, activated sludge, wastewater treatment plant that serves approximately 168,000 sewered residents. In addition to the piped wastes from homes and businesses, the GLSD provides septage disposal for communities throughout the Merrimack Valley and approximately 30 surrounding watershed communities.

The Massachusetts Department of Environmental Protection has established 100,000 gallons per day as the District’s maximum receiving capacity of septage. The GLSD monitors incoming septage loads very closely for acceptability.

Background Information

For in-depth information regarding rules and regulations, covering discharge of wastewater, drainage, substances or waste, please download imagesrules_and_regs_rev_4_2008