As of 2009, there are 101 atrazine prohibition areas in Wisconsin, covering about 1.2 million acres.

Atrazine Prohibition Areas
A listing of counties in Wisconsin with atrazine prohibition areas.

Proposed Atrazine Prohibition Areas
Each year the department may propose new or expanded prohibition areas.

Rules and Regulations
Laws are in place to protect groundwater from contamination by pesticides and fertilizers at levels above health-based standards.

Creating an Atrazine Prohibition Area
Well testing, public hearings, and legislative review are three of the seven steps taken when creating a prohibition area.

Frequently Asked Questions
What is atrazine? How does it get into groundwater? Is it in your drinking water? Find the answers to these questions and more.

Use Restrictions and Applications Rates
There are restrictions in place to protect Wisconsin's ground and surface water supply.

Monitoring
Studies have been conducted to monitor the presence of pesticide in groundwater.

For more information about atrazine prohibition areas in your county, please call 608-224-4502 or send an email.