Wastewater plants are an important function to our environment to ensure our lakes, streams and water ways are preserved for the next generation.

Wastewater plants have multiple treatment options; Gridor has built many variations of process plants. Plants can include but are not limited to:

  • Pre-Treatment
  • Primary Clarification
  • Aeration Basins
  • Sequenced Batch Reactors (SBR’s)
  • Oxidation Ditches
  • Vertical Loop Reactors
  • Secondary Clarification
  • Trickling Filters
  • Digesters
  • Sludge Storage
  • Sludge Processing
  • Bio-Solids Handling
  • Odor Controls


Gridor Constr., Inc. has committed itself to building wastewater treatment facilities for communities and private owners throughout the Midwest.

Large and small, each job takes a certain level of quality and Gridor strives to achieve a final project that the owner will be satisfied with.

Below are samples of the many wastewater treatment facilities Gridor has worked on.

Brainerd WW Treatment plant1 Clinton, IA-Wastewater plant2 Washington, IA WWTP11
Brainerd, MN WWTF Clinton, IA WWTF Washington, IA WWTF