Tertiary treatment allows further disinfection either chemically or physically (for example, by lagoons and microfiltration) prior to discharge into a creek or river or it can be used for the irrigation of pastures or sporting fields.

Superintendent

Jon Ambrose









Phone: 605-787-6851

   Address: 14240 Glenwood Dr. 

        Summerset, SD 57769

The basic function of wastewater treatment is to speed up the natural processes by which water is purified. There are two basic stages in the treatment of wastes, primary and secondary, which are outlined here. In the primary stage, solids are allowed to settle and removed from wastewater. The secondary stage uses biological processes to further purify wastewater. Sometimes, these stages are combined into one operation.

Primary Stage


Waste Water

Treatment Plant

Tertiary Stage


Wastewater Operator

Owen Davis















Phone: 605-787-6851

   Address: 14240 Glenwood Dr.

Summerset, SD 57769

Primary treatment consists of temporarily holding the sewage in a basin or clarifier where heavy solids can settle to the bottom while oil, grease and lighter solids float to the surface. The settled and floating materials are removed and the remaining liquid is transferred to the next stage of treatment.

Summerset Waste Water Treatment Plant is currently doing updates! 

Secondary treatment removes dissolved and suspended biological matter. Secondary treatment is typically performed by water-borne micro-organisms in a managed habitat. Secondary treatment may require a separation process to remove the micro-organisms from the treated water prior to discharge or tertiary treatment.

Secondary Stage