Summer Fun for Kids, Sewer Explorers Event Friday

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Does your little one love big trucks? Come be a Sewer Explorer and learn all about the City’s underground infrastructure directly from City Engineering Employees 1-2 p.m., June 13, 2025, at Hawthorne Library (mural alley), 2707 E Washington Ave., Madison, WI 53704.

This family friendly event is free to the public.

At the event, City crews will have two trucks that are integral to the City’s maintenance of sewers: the Big Green Vactor and the CCTV Truck (which inspects pipes underground through cameras). 

Kids will be able to decorate a mini paper truck, make a “mini City” with crafts and sidewalk chalk for more roadmaking on the cement! Kids will also be able to wash a truck and ask any questions they want to the City crews about the big trucks!

Registration is not required.

This event is outdoors. If weather prompts cancellation, the new date will be 1-2 p.m., June 20, 2025, at Hawthorne Library, 2707 E Washington Ave., Madison, WI 53704.

green vactor truck

Background on the Big Green Vactor

The City of Madison Engineering Division's "Big Green Vactor Preventive Maintenance Program" is an aggressive approach to maintaining and cleaning the City's sanitary and storm sewer.

The "Big Green Vactor"

The Big Green Vactors that you see around town are the City’s primary tool to clean and maintain the City Sewer system.  Cleaning and televising the City sanitary sewer mains prevents interruption in sanitary sewer service (backups) for customers and Sanitary Sewer Overflows (SSOs) which are our priorities as a Utility. 

The City of Madison-Engineering Division has 10 Vactor trucks.

green vactor truck

The Closed Circuit Television Program

Closed circuit television video sewer inspection is a proactive approach of preventative maintenance of the sewer system which minimizes disruption of sewer service to our customers.

There are two major components to preventative maintenance: cleaning sewers and televising (video inspecting) sewers to identify defective pipes that need to be repaired or replaced.

Learn more about the Big Green Vactor.

Learn more about the Closed Circuit Television Program.

Check out all the fun events Library hosts

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