| billing basis | metered | Meter Readings |
| water rate | Rapid City: $151.48 per 14 cubic meters; Oak River: $113.76 per 14 cubic meters | Rapid City Utility Rates; Oak River Utility Rates |
| water fixed charge | Rapid City: $18.85/quarter; Oak River: $10.84/quarter | Rapid City Utility Rates; Oak River Utility Rates |
| sewer rate | Rapid City: $11.48 per 14 cubic meters; Oak River: $29.96 per 14 cubic meters | Rapid City Utility Rates; Oak River Utility Rates |
| billing period | quarterly | Quarterly Service Charge |
scout note
rates page: quarterly. Rapid City: service charge $18.85, water $151.48 per 14 m3, sewer $11.48, minimum water and sewer $181.81. Oak River: service $10.84, water $113.76 per 14 m3, sewer $29.96, minimum $154.56. Bulk $47.05/1,000 gal. Year not stated.