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City Guide

Public Services

Communications System-Signs & Signals

4251 Stone School, W.R. Wheeler Service Center [map]
(734) 794-6350

Maintains all City of Ann Arbor traffic signals, traffic signs, city-owned street lights, street name signs, city-owned radios, civil defense sirens, and citywide fiber optic network. To report damaged or missing street signs, broken signals, or streetlight outages, call Customer Service at (734) 794-6320, use the "report a problem" link at or use the A2 Fix It mobile app.

Customer Service Center

301 E. Huron, City Hall [map]
(734) 794-6320

Walk-ins: Mon.-Fri. 7:30 a.m.-5:30 p.m., except for city holidays. The center handles general information requests about city services, water payments and services, solid waste and recycling services, treasury services, street maintenance, traffic control, Right-of-Way (ROW) permits, and Ann Arbor Municipal Airport services. The unit also works with DPW staff to provide water utility meter installation, repair, reading, and billing. Contact this office to request new sewer or water service.

Residents may view their water bills and usage data online by going to and searching for Property Information.


301 E. Huron, City Hall, 4th floor [map]
(734) 794-6410

This department designs and constructs utility, roadway, and sidewalk projects; coordinates and inspects utility/public roadway work of developers; and optimizes traffic flow through the city.,

Natural Area Preservation

3875 E. Huron River [map]
(734) 794-6627

This division of parks and recreation works with individuals, organizations, and community groups to protect Ann Arbor's natural areas through ecological monitoring, restoration, and stewardship activities. Staff and volunteers conduct stewardship workdays; perform invasive species control and prescribed burns; and survey birds, turtles, frogs, salamanders, and toads. David Borneman, deputy manager.

Public Works

4251 Stone School, W.R. Wheeler Service Center [map]
(734) 794-6350

Responsible for routine maintenance of most of Ann Arbor's infrastructure, including the drinking water distribution system; sanitary and storm water collection systems; streets; street lights; traffic signs and signals; fiber optic lines; parks; public trees; and pedestrian paths and crosswalks. Public Works also provides essential city services, including solid waste, recycling and compost collection. Mon.- Fri. 8 a.m.-4 p.m.

Report potholes, damaged trees, signal timing, park cleanup and other problems via or the A2 Fix It mobile app.

Systems Planning

301 E. Huron, City Hall, 4th floor [map]
(734) 794-6430

This unit brings together multiple departments to coordinate asset management and create and maintain a long-term plan for sustaining Ann Arbor's infrastructure.

Wastewater Treatment

49 S. Dixboro [map]
(734) 794-6450

This unit is responsible for the effective collection, treatment and environmentally acceptable discharge of wastewater, including the operation and maintenance of the wastewater treatment plant; eight sewage lift stations; and laboratory testing services.

Water Treatment

919 Sunset [map]
(734) 794-6426

This unit is responsible for processing and supplying safe drinking water, including operation of the treatment plant; six remote pumping stations; nineteen million gallons of storage capacity; four dams; source water facilities; two hydro-electric plants; and laboratory testing services.

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