​​​​​The Public Services Administration provides leadership, administrative, budgetary and communications support for the five units that provide services for the City of Ann Arbor. ​

Engineering

The Engineering Unit provides services including design and construction management, construction inspection, and traffic and transportation engineering. The unit also focuses on the City’s capital improvement projects.

​Public works 

The Public Works unit is in charge of park maintenance, forestry, natural area preservation, street lighting, signals, signs, radio communications, street maintenance, recycling, composting. This unit also sees to all water, wastewater and storm water distribution and collection.

Systems planning ​

The Systems Planning Service Unit is a unique collaboration that brings together multiple departments within the city to coordinate asset management and maintain a long-term plan for sustaining Ann Arbor's infrastructure. 
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The Wastewater Recovery Unit is in charge of​​ effective collection, treatment and environmentally acceptable discharge of wastewater.

Water treatment ​

The Water Treatment Service Unit takes care of processing and supplying safe drinking water.