McMahon creatively applies current and emerging technologies to meet today's strict demands for environmentally sound wastewater treatment and biosolids management.  Our design and project management approaches are centered on the highest level of responsiveness to our clients' needs. Each project presents a unique situation, requiring a unique solution.  McMahon has designed hundreds of wastewater management systems for municipal and industrial owners.

We are a complete service firm, capable of taking wastewater projects successfully from facility planning through design, bidding, construction, start-up and operation.