Wastewater Treatment Equipment and Aftermarket Parts

M.W. Watermark offers wastewater treatment equipment across a wide range of industrial applications

M.W. Watermark™ Products Overview Video

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M.W. Watermark 800mm Filter Press

Filter Press

M.W. Watermark™ is the best choice for filter presses and all your industrial dewatering and process needs. We have a broad array of filter presses to meet your needs. From 250mm/0.4 cuft [11L] all the way to 2000mm/600 cuft [17000L], our selection offers something for everyone. We also carry a wide selection of filter press parts and accessories like plate shifters, hydraulic systems, piping and manifolds, self-dumping cake hoppers, and more.

Slant Plate Clarifier - Inclined Plate

Wastewater Clarifiers – Slant Plate (SPC) and Low Profile (LPC)

Looking for tough, dependable inclined plate clarifiers that won’t break the bank or dwarf your production space? Slant Plate (SPC) and Low Profile (LPC) Clarifiers from M.W. Watermark™ are designed for extremely efficient solids removal from process liquids and waste. On this page, you can compare the specifications of our SPC and LPC lines and learn more about the usage and operation of these machines.

Sludge Dewatering Equipment: M.W. Watermark Continuous Sludge Dryer

The M.W. Watermark™ Continuous Sludge Dryer

Our continuous sludge dryer is designed for volume and weight reduction of metal hydroxide plating waste. Reduction of waste volume ranges from 2:1 to 5:1. Solids are dried up to 75 percent*, leaving a granular material for disposal in a barrel, bag or dumpster. The M.W. Watermark™ Continuous Sludge Dryer is a leader in the industry for innovation with superior design – for both efficiency of operation and ease of maintenance.

*Typical results. Actual results may vary.

Photo Of Filter Cloths Used To Improve Filter Press Efficiency - M.W. Watermark

Filter Cloths

At M.W. Watermark™, our primary goal as filter cloth manufacturers is to maximize value and minimize cost. You expect a lot out of your manufacturing equipment, and we’re proud to offer high-quality parts that are capable of performing at the level you expect. Manufactured with care here in the USA, we ship our filter cloths to clients across the country who are looking to improve the performance and efficiency of their presses.

M.W. Watermark Oil Coalescing Separator (OCS)

Oil Coalescing Separators (OCS)

The M.W. Watermark™ Oil Coalescing Separator (OCS) is designed to remove free non-emulsified oils, diesel, gasoline and fuels from a waste stream, resulting in an effluent quality of 10 mg/l or less of contaminants 20 microns and larger.

microfiltration module TMF10


M.W. Watermark™ is proud to be an official distributor of the Porex® Tubular Membrane Module™. The M.W. Watermark™/Porex® Tubular Membrane Module™ is designed to fit new and existing tubular membrane filtration systems.

Polymer Blending

The M.W. Watermark™ PolyMark™ blends an undiluted or “neat” liquid emulsion polymer with a water stream while accurately dosing the correct amount of polymer per the application, metering the appropriate flow of water, and efficiently activating the polymer at a molecular level.

Chemical Feed Systems

M.W. Watermark™ Chemical Feed Systems are designed to provide accurate and economical chemical metering for industrial and municipal water & wastewater treatment applications.

Rental, Surplus & Rebuilt Equipment

Here you will find our in-stock equipment. We offer used and rebuilt filter presses and polymer blenders as well as new, stock filter presses and clarifiers.