Frequently Asked Questions

Mid-Dakota's water system does not produce enough water to meet the needs of the Pierre.  Expanding Mid-Dakota's production capacity would cost more than the the Drinking Water Treatment Facility.

Mid-Dakota's water system does not produce enough water to meet the needs of the Pierre.  Expanding Mid-Dakota's production capacity would cost more than the proposed Water Treatment Plant.

Pierre's current system provides water that meets all current federal and state drinking water safety standards.  

The federal Environment Protection Agency is currently reviewing its regulations. Changes to their regulations may impact Pierre's treatment process, but no regulatory changes have been identified at this time.

Pierre's Drinking Water Treatment Facility is expected to be complete and operational in 2022.

Chlorine is added to the water for disinfection.  Fluoride is added to help reduce tooth decay.
A phosphate chemical is added to inhibit water discoloration and inhibit corrosion.

The current average concentrations of manganese in Pierre’s current water supply is 2.5 milligrams/liter.  The treated water provided by the Drinking Water Treatment Facility will have concentrations of manganese less than 0.05 milligrams/liter.  

 About one acre