| Subject | Counties Served |
| Construction and Demolition Landfills | Dodge, Fond Du Lac, Jefferson, Manitowoc, Walworth, Washington, Waukesha |
| Landfill Design and Construction | Dodge, Fond Du Lac, Jefferson, Manitowoc, Walworth, Washington, Waukesha |
| Landfill Gas and Leachate | Dodge, Fond Du Lac, Jefferson, Manitowoc, Walworth, Washington, Waukesha |
| Landfill Operation | Dodge, Fond Du Lac, Jefferson, Manitowoc, Walworth, Washington, Waukesha |
| Landfill Ownership and Liability | Dodge, Fond Du Lac, Jefferson, Manitowoc, Walworth, Washington, Waukesha |
| Landfills, Active | Dodge, Fond Du Lac, Jefferson, Manitowoc, Walworth, Washington, Waukesha |
| Landfills, Building or Development | Dodge, Fond Du Lac, Jefferson, Manitowoc, Walworth, Washington, Waukesha |
| Landfills, Closed | Dodge, Fond Du Lac, Jefferson, Manitowoc, Walworth, Washington, Waukesha |