S.D. Codified Laws § 38-8-53
There is hereby created the conservation district special revenue fund to be used for the purpose of aiding, assisting, and cooperating with conservation districts of the state in securing by purchase, or otherwise, necessary equipment, trees, and other planting materials, and supplies as needed in furthering the program of conservation in these districts. Interest earned on money in the fund must be deposited in the fund. Any repayment of the principal amount of a loan and any interest thereon must be deposited into the fund and used for making new loans. Money in the fund is hereby continuously appropriated for the purposes provided in this section.
The fund is administered by the State Conservation Commission and monies in the fund are expended upon vouchers approved by the commission, or its designated representative.
The monies in the fund are available to conservation districts of the state on a reimbursable basis by the districts. The commission shall promulgate rules, pursuant to chapter 1-26, establishing criteria and procedures for making loans to the conservation districts.
SDCL 38-8-53