Rapid City Chamber of Commerce

Public Services



Black Hills Energy
PO Box 1400
Rapid City, SD 57709-1400
Telephone: 605-721-2660 or 800-742-8948

West River Electric Association
PO Box 3486
Rapid City, SD 57709-3486
Telephone: 605-393-1500 or 888-393-1500

Black Hills Electric Co-op
PO Box 1400
Rapid City, SD 57709-1400
Telephone: 605-673-4461 or 800-742-0085

Natural Gas

Montana-Dakota Utilities Company
PO Box 1600
Rapid City, SD 57709-1600
Telephone: 605-355-4001 or 800-638-3278



City of Rapid City
Telephone: 605-394-4125 

Storm Sewer: 30% Coverage

Sanitary Sewer: 90% Coverage. Sanitary Sewer does not cover the outliying areas.

Treatment Plant: Advanced, mechanical biological

Capacity: 13.5 million gallons per day

Present Load: 9 million gallons per day

Solid Waste Disposal: Co-Compost


Water Supplier: City of Rapid City

Source: 9 deep wells and surface water; 3 galleries; 1 surface treatment plant

Minimum Daily Capacity: 52 million gallons per day

Peak Load: 2007--26 million gallons

Storage Capacity: 23.5 million gallons

Water Reclamation (Sewer Treatment) Capacity: 15 million gallons per day