South Dakota Hydrovac & Excavation Regulations
Excavation law, 811 notice rules, tolerance zone and penalties for South Dakota, with citations to the statutes and the one-call center.
Last reviewed October 18, 2026. General information only, not legal advice. Laws change and vary by locality and utility, so always contact 811 and confirm current requirements before you dig. Read the disclaimer
South Dakota at a Glance
Call 811 before you dig
- One-call center
- South Dakota 811Visit website for South Dakota 811 (opens in a new tab)
- Phone
- 811
- Notice required
- 48 hours, excluding Saturdays, Sundays and state legal holidays (clock starts 12:01 a.m. the day after notice)
- Tolerance zone
- 18 inches
- Ticket life
- 21 days (per South Dakota 811)
- Maximum penalty
- $10,000 (SDCL 49-7A-18: up to $1,000 first violation / $5,000 each subsequent within 12 months; 49-7A-19 intentional: up to $5,000 first / $10,000 each subsequent within 12 months)
South Dakota requires notice to South Dakota 811 at least 48 hours before excavating, starting at 12:01 a.m. the day after notice and excluding weekends and state legal holidays. The law is SDCL Chapter 49-7A.
Within 18 inches, excavators must expose facilities with hand tools or approved noninvasive methods.
Tolerance Zone
18 inches
Keep an 18-inch horizontal clearance; within 18 inches, expose facilities with hand tools or approved noninvasive methods (SDCL 49-7A-8).
Key Regulations
One-Call Notification System for Excavation Activities (SDCL ch. 49-7A)
Requires notice before excavation and sets safe digging practices.
Citation: SDCL 49-7A
Operator Marking
Operators mark within the 48-hour period.
Citation: SDCL 49-7A-8
Penalties for Violations
Monetary penalties increase for intentional or repeat violations within 12 months.
Maximum penalty: $10,000 (SDCL 49-7A-18: up to $1,000 first violation / $5,000 each subsequent within 12 months; 49-7A-19 intentional: up to $5,000 first / $10,000 each subsequent within 12 months)
Licensing and Permits to Confirm
Licensing depends on the type of work and the city or county. Treat these as items to check with the South Dakota licensing board and your local permit office before bidding work.
- Contractor licensing as required for project scope and locality
- Municipal permits and business licenses
- Liability and workers compensation insurance as required by law and by contract
Sources
Last reviewed October 18, 2026. Facts on this page were checked against these statutes, rules and one-call center pages.
Disclaimer
This guide is general information about state excavation and one-call (811) laws. It is not legal advice, and reading it does not create an attorney-client relationship.
Laws, rules and one-call center procedures change, and requirements can differ by city, county, utility operator and type of work. Facility operators may also set their own requirements. Before any excavation, contact the state one-call center through 811 and confirm current requirements in the statute and rules cited on this site. For questions about your obligations or liability, consult the statute directly or a licensed attorney in the state where the work takes place.
Hydrovac News makes no warranty that this information is complete, current or accurate, and is not liable for any loss or damage resulting from reliance on it.
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