Public Works Department


The Johnston Public Works Department consists of streets, construction and stormwater observation, waste water, water, fleet services and traffic and facilities divisions.

The Department provides maintenance and service for streets, storm sewers, water and sewer lines, and city vehicles as well as stormwater drainage ways, city facilities, traffic signals and signs. In all, this includes, but is not limited to:

  • 106 miles of streets or 234 lane miles in total 
  • 81 miles of sanitary sewer lines 
  • 2,031 sanitary manholes 
  • 379 grinder pump assemblies 
  • 6 sanitary lift stations
  • 151 miles of water mains 
  • 1,874 fire hydrants assemblies 
  • 1,467 water main valves 
  • 5 water pump stations 
  • Three storage tanks that hold an estimated four million gallons of water 
  • 75 miles of storm sewer
  • 1,454 storm sewer manholes 
  • 2,681 storm sewer inlets
Matt Greiner_225x252

Contact Us

  1. Matt Greiner
    Public Works Director
    Phone: 515-278-0822
    Fax: 515-727-8092
    Email Matt Greiner

    6400 NW Beaver Drive
    Johnston, IA 50131

    Hours of Operation
    M-F 7:30 a.m. - 4 p.m.

Learn more about administration division.

Learn more about streets division. 

Learn more about fleet services division. 

Learn more about the traffic and facilities division.

Learn more about the water and waste water division.

Learn more about the construction and stormwater observation division.