Division of Environmental Services
Director - Tim Tollefsrud
Senior Secretary - Holly Rilling, (605) 773-3153
The mission of the Division of Environmental Services is to provide environmental services in a customer-oriented manner that promotes economic development, conserves natural resources, helps municipalities, industry, and citizens comply with regulations, and protects public health and the environment.
The following regulatory programs fall under the Division of Environmental Services:
- Air Quality
- Drinking Water
- Ground Water Quality
- Minerals and Mining
- Surface Water Quality
- Waste Management
- Water Rights
- Plans and Specifications



