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Systems Planning 
301 E. Huron St., 4th Floor
P.O. Box 8647
Ann Arbor, MI 48107
734.794.​6430 (voice)
734.994.1744 (fax)​


Rain gauges

The City of Ann Arbor operates and maintains five tipping bucket rain gauges​ (5-min resolution) which are located at Barton Dam, South Industrial Hwy, Jackson Ave./Parklake Ave, University of Michigan North Campus Area and City Hall.​

Stream gauges

The United States Geological Service, in conjunction with the City of Ann Arbor, maintains three stre​am gauges that measure and track river flow. ​​

​Archived studies and projects

​Sanitary Sewer Wet Weather Evaluation​ Project