At Maguire, Inc. we believe in storing and protecting quality water. We do this by being the best water tank company for our customers and employees.

Maguire is a family-owned and operated company based in Sioux Falls, South Dakota that has been in the water storage tank industry since 1915.

We offer a full spectrum of water storage tank solutions including:


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  • Design
  • Engineering
  • Fabrication
  • Construction
  • Project Management
  • Coatings
  • Tank Parts


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  • Full-Service and Custom Tank Maintenance Plans
  • Interior/Exterior Tank Painting, Sandblasting and Containment
  • Interior/Exterior Tank Inspections
  • Lead Abatement
  • Interior Tank Cleaning and Disinfection
  • Custom Tank Logos
  • Tank Mixing Systems

The Maguire Difference

Our foundation is built on family values. We strive for excellence in everything we do. We strive to be the best and safest water tank company for our customers who trust our integrity. Trust our products and services. Trust our word to deliver what we say.

Danville, IL
Grayville, IL
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Maguire strives to provide the best customer experience

State Resources

American Water Works Association

Illinois Rural Water Association

Environmental Protection Agency

Illinois Municipal League Association

Expand Your Knowledge

Potentially Earn CEU or PDH Credit

Darin Clarke

Water Tank Expert

AMPP Certified Coatings Inspector #63235

My name is Darin Clarke and I am your Water Tank Expert in the State of Illinois. I was born and raised in Southern Illinois, Pinckneyville. I now reside in Springfield, IL. I am an AMPP Certified Coatings Inspector #63235. AMPP is the Association for Materials Protection and Performance. They are recognized globally as the experts in coating structures like steel and concrete water tanks and towers. I’m passionate about protecting the quality of water in our communities, and for the past 10+ years I have specialized in:

  • Paint Specifications for Steel & Concrete Tanks
  • Water Tower Inspections on Steel & Concrete Tanks
    • Drained
    • Remote Operated Vehicle
    • Visual
  • Asset Management
  • Capital Improvement Plans
  • Infrastructure Sustainability Plans
  • Customer Service
  • Project Management
  • Risk Assessment
  • Procurement
  • Consulting
  • Budget Planning
  • CEU Presentations

Contact Darin

Do you have questions or want information regarding the care and maintenance of your water storage tank? Darin Clarke would be happy to help.

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