McSweeney Associates Environmental Engineering

ENVIRONMENTAL ENGINEERING ON THE SOUTH SHORE OF MASSACHUSETTS

McSweeney Associates, originally founded in 1920, is a fourth-generation family-owned and operated environmental engineering firm located in Hanson, Massachusetts. 

We specialize in Title V engineering (septic system design) and on-site wastewater treatment and disposal. 

Our services include general land use engineering and permitting under the Massachusetts Wetland Protection Act and water supply well design and testing. 

If you have a question or would like more information please contact us.