Combined Department

The City of Spearfish has a combined water and sewer department. It is currently overseen by the Utilities Superintendent and a 6 person crew. 


The crew is responsible for inspection and maintenance of the City’s approximately:

  • 120 miles of water line
  • 7 wells which produce high quality water (treated with fluoride and chlorine)
  • 2 water booster stations
  • 5.4 Million gallons of water storage facilities
Water Faucet

Water Usage & Samples

The City’s water usage averaged about 2 million gallons per day in 2020. The department samples weekly at various points around the City and completes all sampling required by the South Dakota Department of Agriculture and Natural Resources (DANR) and Environmental Protection Agency every year.

Review the 2022 Drinking Water Report (PDF)

Sample Data

All sample data is available for public view during business hours at:
Green Acres Shop
540 32nd Street
Spearfish, SD 57783

DANR maintains information on the state's public water systems. Visit danr.sd.gov and search "Spearfish" to view information on the City's water system.


All crew members are required to obtain and maintain certification for water treatment, water distribution, as well as wastewater collection.