Designing and Manufacturing Air Pollution Control and Water & Wastewater Treatment Systems Since 1971

Clean Air and Clean Water for Your Plant…That’s Monroe Environmental

Monroe Environmental has experience in a variety of industies including automotive, food, oil, steel, and more.

Extensive Industry Experience

On-site Services

Technical Assistance & Site Services

Pilot Systems and Rentals - Mobile Clarifier

Rental Units, Pilot, & Testing Programs

Monroe Environmental equipment replacement parts

Replacement & Spare Parts Supply

Have technical questions about your air pollution or water/wastewater application?

Benefits of Partnering with Monroe: A True Pollution Control Solution

(2) Fiber Bed Mist Collection Systems rated up to 6,000 CFM each to exhaust Silicone Casting Ovens for a medical parts manufacturer. The units are installed outdoors.

Monroe is a full-service company offering a complete line of pollution control equipment that is designed, engineered, and manufactured for the needs of each customer and application on an individual basis.

We have complete in-house fabrication and shop assembly capabilities that serve to reduce project costs, provide superior quality control, and expedite project completion times.

We also have the experience and capabilities to provide turnkey installations along with a wide array of related services ranging from engineering and design through permitting, project management, and commissioning.

Each system is custom designed for your unique plant and application — a true pollution control solution.

The Benefits

  • Lower total cost of ownership
  • Eliminate costly unscheduled downtime
  • Assistance with regulatory compliance
  • Experienced engineering team
  • Single point of contact and the convenience of a turnkey solution
  • Standard and innovative custom designed systems
  • P.E. licensed engineers in multiple states

Manufacturer of Pollution Control Equipment

Let Monroe design and build your next clarifier, air scrubber, dust collector, or another custom treatment system to your specifications. We also offer installation, rebuild, retrofit, and parts replacement services. Just let us know what you need and we’ll design a system that works for you.
72 foot Circular Clarifier

End-to-End Solutions & Turnkey Services for Your Application/Industry

Installation of a Primary Circular Clarifier for a municipal wastewater treatment plant
X-Flo Mobile Clarifier bypassing two Circular Clarifiers
Worker in Monroe's Fab shop
Multi-Stage Mist Collector in automotive plant

We have over 50 years of engineering, application, and manufacturing experience and expertise to deliver the right solution for your plant.

Quality you count on. Proudly designed, engineered, and manufactured in the USA.

Monroe Environmental is registered ISO 9001 and 14001

View Our Recent Projects


X-Flo Mobile Clarifier™ Treats Power Plant Wash Down Water

A large coal fired power plant needed high-flow water treatment during a maintenance shutdown to separate solids from wash down water. The water had been used to clean flue gas air heaters that foul with fly ash during operation.


X-Flo Mobile Clarifier™ Permanent Solution for Fracking Water Treatment

After operating for just a few days, it was clear to the site’s operators that the Monroe X-Flo Clarifier™ was the right solution for their fracking water treatment operations. The rental pilot became the permanent solution.

Air Pollution Control


Venturi Scrubber Removes PM from Dryer at Fertilizer Plant

A fertilizer manufacturing plant was dealing with particulate matter excursions in their dryer exhaust. Their existing baghouse filters were shredding and splitting due to the abrasive nature of the dust. The frequent downtime for maintenance led the company to seek a solution from Monroe Environmental.


Scrubber Rebuild Achieves Emission Compliance for Chrome Plating Plant

A chrome plating company needed to improve their wet scrubber’s ability to remove acid fumes and metal particulate from an exhaust stream produced by chrome plating tanks. Monroe engineers recommended modifications and adjustments to maximize the performance of the scrubbing system.

Water & Wastewater Treatment


Vertical Plate Clarifier Removes Metals and TSS in PFAS Treatment Process

A company that specializes in recycling and disposal of industrial wastewater needed an effective pretreatment solution as part of their PFAS filtration system. The Monroe Vertical Plate Clarifier was selected to precipitate and settle the solids and metals in order to extend the life of the filters.

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