Always Leading

JWC’s Monster family of wastewater solutions are specified nearly three to one over the next two competitors combined.

Five decades of innovation resulting in 13 patents with more on the way

End-to-end offering of solids reduction and removal equipment

Customized solutions to fit your waste stream

There’s Only One Monster Family of Wastewater Solutions


Muffin Monster® Grinders

Muffin Monster sewage grinders are designed to protect pumps and other equipment by grinding the toughest wastewater solids. Applications include lift stations, sludge lines, septage receiving stations, headworks screenings reduction, prisons and more.

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Monster Screens

JWC has carefully engineered wastewater screening systems including rotary drum screens, in-channel screens, auger screens and static screens that target the coarse and fine screening challenges within wastewater treatment plants.

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Monster Sludge Processing

Dual-shafted, low-speed and high-torque Muffin Monster grinders slice through rags, wipes and tough solids producing a consistent sludge for processing, and JWC’s Monster Drum Thickeners are designed to handle WAS, RAS or even raw sewage.

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Muffin Monster