Dams which are designed and constructed without spillways and constructed so that there is no external drainage into the facility, and constructed for the purpose of containing process water shall be sized to contain design operating volumes from the operation plus enough freeboard to contain the PMP falling on the facility.
S.D. Admin. R. 74:02:08:07.04
General Authority: SDCL 46-2-5, 46-7-3.
Law Implemented: SDCL 46-5-8, 46-5-30.