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HAPMAN CASE STUDY Wastewater Treatment

The Village of Gilberts, IL Achieves Wastewater Requirements with the 
Help of Baxter & Woodman’s Innovative Pre-Treatment System Design
Harry Harman, P.E. of Baxter & Woodman, consulting 
Engineers, received a call from an official with the 
Village of Gilberts in the State of Illinois. The call was 
a request for a review of documents from the EPA to 
the Village regarding the 5 year renewal of the Village’s 
National Pollution Discharge Elimination System (NPDES) 
Permit. The Permit, is a set of standards developed by 
the Environmental Protection Agency (EPA) for the 
management of wastewater contaminant concentrations 
allowed to be discharged into streams and rivers by 
industry and public wastewater treatment facilities by 
cities, villages, and townships. Upon review of the report, 
Harry immediately noticed a more stringent limit on the 
permissible levels of Barium. There were no treatment 
systems available which would remove the Barium without 
exceeding the recently enacted Radium limits established 
by the Illinois Emergency Management Agency – Division 
of Nuclear Safety.