| Subject | Counties Served |
| Coal Combustion Residual Landfills | Statewide |
| Construction and Demolition Landfills | Statewide |
| Environmental Performance Area Support Team (EPAST) Member | Kenosha, Milwaukee, Ozaukee, Racine, Sheboygan, Walworth, Washington, Waukesha |
| Groundwater Environmental Monitoring System (GEMS) Application | Buffalo, Clark, Jackson, Kenosha, Milwaukee, Ozaukee, Racine, Sheboygan, St. Croix, Trempealeau |
| Landfill Design and Construction | Buffalo, Clark, Jackson, Kenosha, Milwaukee, Ozaukee, Racine, Sheboygan, St. Croix, Trempealeau |
| Landfill Gas and Leachate | Buffalo, Clark, Jackson, Kenosha, Milwaukee, Ozaukee, Racine, Sheboygan, St. Croix, Trempealeau |
| Landfill Operation | Buffalo, Clark, Jackson, Kenosha, Milwaukee, Ozaukee, Racine, Sheboygan, St. Croix, Trempealeau |
| Landfill Ownership and Liability | Buffalo, Clark, Jackson, Kenosha, Milwaukee, Ozaukee, Racine, Sheboygan, St. Croix, Trempealeau |
| Landfills, Active | Buffalo, Clark, Jackson, Kenosha, Milwaukee, Ozaukee, Racine, Sheboygan, St. Croix, Trempealeau |
| Landfills, Building or Development | Buffalo, Clark, Jackson, Kenosha, Milwaukee, Ozaukee, Racine, Sheboygan, St. Croix, Trempealeau |
| Landfills, Closed | Buffalo, Clark, Jackson, Kenosha, Milwaukee, Ozaukee, Racine, Sheboygan, St. Croix, Trempealeau |
| Landfills, Feasibility and Siting Requirements | Kenosha, Milwaukee, Ozaukee, Racine, Sheboygan |
| Landfills, Groundwater Monitoring | Buffalo, Clark, Jackson, Kenosha, Milwaukee, Ozaukee, Racine, Sheboygan, St. Croix, Trempealeau |