South Dakota Hydrovac & Excavation Regulations
Excavation laws, 811 requirements, and licensing information for South Dakota.
South Dakota requires excavators to contact South Dakota 811 at least 48 hours before beginning excavation. The state's One-Call Notification Act provides rules for underground facility damage prevention.
Hydrovac excavation is used in South Dakota for utility and pipeline work, particularly in the Keystone Pipeline corridor and growing urban areas like Sioux Falls and Rapid City.
Call Before You Dig: South Dakota 811
Phone: 811 | Notice Required: 48 hours
Visit South Dakota 811 WebsiteTolerance Zone
Reasonable care and hand methods required within 18 inches of marked underground facilities.
Key Regulations
One-Call Notification Act
Requires pre-excavation notification and establishes safe digging practices.
SDCL 49-7A
Marking Requirements
Facility operators must mark locations within 48 hours of receiving notification.
Pipeline Safety
Additional safety requirements for excavation near transmission pipelines.
Penalties for Violations
Penalties for failing to notify or damaging underground facilities.
Maximum Fine: $5,000
- ●Class 2 misdemeanor charges
- ●Civil liability for all repair costs
Licensing Requirements
- South Dakota contractor license as required for project scope
- Municipal permits and business licenses
- General liability and workers compensation insurance
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