William Harfst is President of Harfst and Associates, Inc., an independent water management consulting firm,

PO Box 276, Crystal Lake, Illinois 60039;

Email: wfh@mc.net

Website: http://www.harfstassociates.com

Bill has over 43 years of water management experience helping industrial, institutional, commercial and government clients select, apply and control water treatment programs for boiler, cooling and wastewater applications. He graduated from the University of Illinois with a B.S. in Chemistry cum laud in 1972 and went on to hold various engineering, technical and management positions with three major water treatment companies before starting his consulting practice in 1991. His current focus is on helping clients conserve water, reduce chemical consumption, minimize waste and save energy.


2 thoughts on “Home

  1. Dear sir
    I am really interested to know about the new technology of water treatment.
    I hope to receive documentation above.
    Best regards
    Mouloud BOUCHALA.


  2. Dear William Harfst,
    I have read the some articles in this website and found very informative and use full. Thank you very much for the information in this site. I am Mechanical Engineer with 27 years experience worked in petro-chemical industry in both Utility and Maintenance departments. I am interested in Water technology and Chemicals. Your articles were very interesting.
    Best Regards.
    P. Satya Murthy.


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