Urban Storm Water Management

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In 2000, Fond du Lac became an urbanized area with a population of 50,000 persons. Urbanized area status triggers the collection of more detailed types of demographic data collection by the U.S. Census Bureau that is used for marketing the community to a wider array of business and industry. Urbanized area status also triggers mandatory federal and state environmental regulations that are designed to limit and reduce pollution in urban stormwater runoff. The County must all comply with Wisconsin’s Pollutant Discharge Elimination System (WPDES) Permit No. WI-S050075-1 for the County’s Municipal Separate Storm Sewer System (MS4) within the Fond du Lac urbanized area.


Fond du Lac County is working toward compliance with its’ WPDES permit in a number of ways. The County recently completed a public involvement and participation strategy for storm water pollution prevention, along with an information and education plan for County employees responsible for day-to-day maintenance and care of County owned municipal storm water collection systems. In early 2009 the County completed pollution prevention plans for a number of County facilities. The County is also making modifications to its’ existing storm water management ordinance that controls storm water runoff from new development. In 2009 County staff will be working on an ordinance to control the illegal discharge of pollution into the County’s storm water system.


Please visit this site for information and updates on the County’s storm water management activities in the Fond du Lac urbanized area.

Below is a listing of current storm water management documents:

Fond du Lac County Fairgrounds Pollution Prevention Plan
Fond du Lac County Golf Course Pollution Prevention Plan
Fond du Lac County Highway Department Shop Pollution Prevention Plan
Fond du Lac County Information & Education Plan
Fond du Lac County Public Involvement Strategy
Urbanized Area Map
Storm Water Permit
Authorization of Permit Coverage
Fond du Lac County Stormwater Pollution Analysis Report

2016 MS4 Annual Report

For more information on how you can do your part to reduce storm water pollution, visit New Water Wisconsin for tips at home, school, work and on construction sites.

The following Tip Sheets are available for review:

A Waterway in Your Front Yard (Ditch)

Restore Your Shore

The Perfect Landscape

The Perfect Lawn

Leaf Collection

Rain Barrel

Ice & Snow Control

Pet Waste

Kids Can Help Too!

Pool/Spa Discharge

Power Washing at Home

Carpet Cleaning

Household Hazardous Waste

Car Wash Fundraisers (pamphlet)

Vehicle Maintenance








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