Anthony Theodorou & Company
Municipal and Industrial Water and Wastewater Treatment Solutions
ATAC understands the vital role water plays in life and a sustainable future. For that reason, we have made it our priority to provide safe drinking water to our communities. ATAC’s staff are some of the most qualified, experienced, and dedicated teams in the field of water and wastewater engineering and operations in the State of South Dakota, Texas, Michigan and Alaska. We provide clients with a full spectrum of services, including:





We provide clients with a full spectrum of services, including:
Hydraulic Modeling
Planning
Compliance Consultation
Permit Assistance
Industrial Pretreatment Studies
Project Funding Assistance
Treatability Studies
Design and Construction Services
Start-up and contract operations
maintenance training
Wastewater Treatment Process Engineering
Beginning a project concept and helping our clients carry it through to successful commissioning, ATAC is the optimal one-stop solution provider for every water and wastewater project.




