DANCO is a custom blender of Cooling Tower and Boiler Treatment

DANCO’s proprietary formulations are designed for specific customer requirements. Sales / Service team has over 150 years of Industrial experience. Service area includes Indiana, Ohio, Michigan, Illinois and Kentucky


  • Cooling Tower Treatment
  • Steam Boiler Treatment
  • Closed Loop – Hot and Chilled
  • Biocides
  • Glycol products blended to customer needs
  • System Cleaners
  • Specialty Chemicals


  • Evaluation and modification of existing systems for efficiency and chemical reduction
  • Custom and commodity waste water treatment chemistry
  • Design / build of new systems
  • Provide licensed operators to manage daily operations
  • Permitting and sampling
  • Operator of responsible charge
  • Certified operators with Class D Industrial and Class IV Municipal licenses
  • IDEM contact hours and continuing education seminars
  • Assist in regulatory interpretation

Laboratory Services

  • Complete laboratory services available
  • Corrosion and metal graphic analysis
  • Resin Analysis
  • DA Efficiency testing
  • Filtration
  • AA Machine  – System Metals
  • DO analysis
  • Biological testing
    • ATP
    • Dip slide
    • Laboratory analysis

Local Service Representatives

  • Testing protocol will be designed to fulfill customer requirements
  • On-Site testing with state of the art digital equipment