Greater Lawrence Sanitary District

The Greater Lawrence Sanitary District (GLSD) is dedicated to protecting the Merrimack River from untreated wastewater through innovative solutions for wastewater and biosolids management. With a responsible treatment process and a focus on reducing the carbon footprint, GLSD transforms biosolids and food waste into fertilizers and fuel, while also providing a free, sustainable solution for RV and camper septic disposal.

Enforcing EPA regulations for industrial wastewater management and promoting clean rivers and green economies, GLSD is committed to capital improvements and keeping communities informed about the needs of a changing tomorrow. From converting food waste to fuel to maintaining sewer infrastructure, GLSD strives to deliver practical solutions while considering population shifts and climate change.

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