Greater Lawrence Sanitary District


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Greater Lawrence
Sanitary District

Welcome to the Greater Lawrence Sanitary District website.

As a wastewater treatment facility, our organization supports five communities in northern Massachusetts and southern New Hampshire Lawrence, Methuen, Andover, North Andover and Salem, New Hampshire. Our purpose is to preserve the Merrimack River and to protect it for enjoyment and use today and in years to come.

We hope your visit to our website is educational and enjoyable. We hope you learn a lot about GLSD and the Merrimack River. Thanks for visiting!

Greater Lawrence Sanitary District
240 Charles Street
North Andover, Massachusetts 01845-1649
(978) 685-1612
info@glsd.org