S.D. Codified Laws § 49-7A-10

Compliance with this chapter and the rules promulgated pursuant thereto does not excuse a person from acting in a careful and prudent manner nor does compliance with this chapter and the rules promulgated pursuant thereto affect any civil remedies otherwise provided by law for personal injury or for property damage except as specifically provided in this chapter. If information requested pursuant to statute or rule, is provided within the time specified and if the information provided sufficiently identifies the location of the underground facilities in accordance with § 49-7A-8 or any rule promulgated pursuant to § 49-7A-8, any excavator damaging or injuring the underground facilities is strictly liable for all damage proximately caused thereby.