About 300 professionals deliver an impressive range of engineering, mapping, environmental, architectural, and survey services at Ayres Associates. Our filterable database makes it easy to check out the credentials of key staff in the disciplines of interest to you – and to contact them directly to get more information about working with you on a project.

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Peter Kolaszewski

Municipal Engineer

Green Bay, WI

"Pete advised us on several alternatives that would efficiently use our limited resources. ... Pete took the lead when (a) trail location was moved. He advised us of what was required and what the new timeline was going to be to keep the project moving."
Frank Wasdovitch
Calumet County, WI

Pete joined Ayres Associates in 2005. He works on municipal design and construction projects with an emphasis on sanitary sewer and water main systems, wastewater treatment, and stormwater management. Pete's experience includes the design of sanitary and storm sewer collection systems, roadway construction, utility extensions, lift stations, wastewater treatment systems, and construction observation and administration of these projects. He has also performed water system studies and sanitary sewer system infiltration and inflow studies.

Pete's areas of expertise include the following:

  • Municipal design
  • Sanitary sewer systems
  • Water main systems
  • Wastewater treatment
  • Stormwater management
  • Utility extensions
  • Roadway construction
  • Construction observation
  • Water system studies
  • Sanitary sewer infiltration/inflow studies
  • BS, Civil Engineering, University of Wisconsin-Madison
  • Registered Professional Engineer, WI