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Hands Holding Water

About EcoWater Systems

Established in 1985, A-1 EcoWater Treatment serves customers in Crest Hill, Illinois, and the surrounding areas. We specialize in providing a variety of water softening equipment, such as iron and sulfur filters, reverse osmosis, free water analysis, hard water, and more. EcoWater is the largest manufacturer of water treatment equipment in the world, and we are proud to be known as the area's leading water softening equipment company. Call today for a free water analysis!

Professional Associations

  • Lockport Chamber of Commerce
  • Frankfort Chamber of Commerce
  • New Lenox Chamber of Commerce
  • Minooka Chamber of Commerce
  • Morris Chamber of Commerce
  • Channahon Chamber of Commerce
  • Joliet Chamber of Commerce


  • WQA Certified Sales and Service Professionals
  • Stenner Certified Technicians
  • NSF Certified Equipment

NSF Logo Water Quality Logo

Languages Spoken

  • English
  • Spanish

Areas Served

  • Will, Cook, DuPage and Kendall Counties
  • Joliet
  • New Lenox
  • Plainfield
  • Shorewood
  • Frankfort
  • Channahon
  • Romeoville
  • Naperville
  • Lockport
  • Minooka
  • Crest Hill
  • Manhattan
  • Aurora
  • Homer Glen
  • Lemont
  • Orland Park
  • Crete
  • Steger
  • All of Northern Illinois


Five Stars

— Anonymous 4/9/2016

"John and Mike installed 3 RO systems for us. They were very professional and finished in the exact time they said they would. They cleaned up any messes also. I would definitely recommend them to anyone"

Five Stars

— Anonymous 3/21/2016

"I would say that I qualify as a long time customer. My first water softener lasted 28 years. In that time I had one service call. I just had a new model installed. The guys came right out and finished the job. They were courteous, knowledgeable and fast. Thanks ECOWATER Al Cuzzone"