About Us - South Dakota Department of Environment and Natural Resources

The mission of DENR is to protect public health and the environment by providing environmental monitoring and natural resource assessment, technical and financial assistance for environmental projects, and environmental regulatory services; all done in a manner to protect South Dakota's environment and natural resources for today and tomorrow while treating everyone as our customer and exceeding their expectations.

Information about each program in DENR, including staff listings, is available in the following links: DENR organizational chart (PDF document)

Environmental Services
Tim Tollefsrud

Director Email
phone (605) 773-3153
fax (605) 773-6035

Financial & Technical Assistance
David Templeton, P.E.

Director Email
phone (605) 773-4216
fax (605) 773-4068

Home and Regional Office Locations and Contact Information Office hours are 8 a.m. to 5 p.m. Central Time (Mountain Time for the Rapid City Office)
DENR Home Office	Joe Foss Building 523 E Capitol Ave Pierre SD 57501 (605) 773-3151 ph. (605) 773-6035 fax Petroleum Release Compensation Fund Foss Building 523 E Capitol Ave Pierre, SD 57501 (605) 773-3769 ph (605) 773-6048 fax	Watertown Office	2001 9th Avenue SW, Suite 500 Watertown SD 57201-4038 (605) 882-5111 ph. (605) 882-5066 fax Petroleum Release Compensation Fund 2001 9th Avenue SW, Suite 500 P.O. Box 967 Watertown SD 57201-0967 (605) 882-5053 ph. (605) 882-5066 fax
Rapid City Office	2050 West Main, Suite 1 Rapid City SD 57702-2493 (605) 394-2229 ph. (605) 394-5317 fax	SD Geological Survey (Vermillion SD)	Akeley-Lawrence Science Center 414 E Clark Vermillion SD 57069-2390 (605) 677-5227 ph. (605) 677-5895 fax
Sioux Falls Office	4305 S Louise Ave, Suite 203 Sioux Falls SD 57106 (605) 362-3500 ph. (605) 362-2768 fax Petroleum Release Compensation Fund 4305 S Louise Ave, Suite 201 Sioux Falls SD 57106 (605) 362-2718 ph. (605) 362-2768 fax