Madison Metropolitan Sewerage District

With innovative design approaches for mechanical systems and water efficiencies, the Nine Springs Wastewater Treatment Plant maintenance facility has been LEED® Platinum certified.

Need: A new facility in the MMSD campus with ample space to accommodate workshop classrooms, training rooms, and a garage

Solution: Integrate the surrounding campus aesthetics into the design of a new sustainable facility

Result: Energy-efficient building equipped with amenities to support the MMSD staff and the public


  • United States Green Building Council, Wisconsin – Local Leader Award of Excellence
Close look at orange pipes in the maintenance facility building

Fact Sheet

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Madison, WI


40,000 sq ft

Construction Cost


Client Type

Sustainable New Construction

This facility sits on the existing Madison Metropolitan Sewerage District campus and provides a professional, public presence while integrating into the existing campus. The building serves as a base for employees who keep the maintenance facility up and running every day and includes a garage, workshops, offices, lockers, and a training room.

The building is equipped with a number of sustainable features including: a green roof, photovoltaic panels, high-performance LED lighting and task lighting, occupancy and daylight sensors, low-consumption plumbing fixtures, access to alternative transportation, on-site storm water infiltration, drought tolerant native species, and pervious pavement.

A unique element of this facility is the highly sustainable “sewer thermal” system that uses treated waste water produced by the facility for its heating and cooling systems.

The new design helps to contribute to the prosperous, healthy and sustainable community that surrounds the facility, and our team partnered with building owners to ensure that the design reflected the aesthetic of the surrounding campus and community.

Exterior view of a low building with walls of windows and garage facility in the background
People walk through a high-ceilinged facility with pipes running along the ceiling at the Madison Metropolitan Sewerage District
View from front corner of an open training room with tables and chairs, lined with two window walls
Arched windows surround an open garage area with concrete floors and beamed roof
A large, modern reception area features natural-wood accents and plentiful natural light

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