The Decatur County Soil and Water Conservation District (SWCD) is a subdivision of the Indiana state government. It is responsible for carrying out a program to promote the conservation of soil, water, and related natural resources within the county. This program is carried out by providing technical assistance, educational opportunities, and cost-share assistance.

Primary partners include the USDA Natural Resource Conservation Service, various agencies of the Indiana Department of Natural Resources, and the Indiana State Department of Agriculture.