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HMX Sewage Treatment Plants

The TidalWave HMX® Series from Headhunter Inc. is our most popular sewage treatment solution designed for vessels and offshore applications that demand reliable performance, global compliance, and minimal maintenance.

Engineered and manufactured in-house, HMX systems deliver a highly efficient, fully automated wastewater treatment process in a compact footprint, making them ideal for installations where space, reliability, and regulatory confidence are critical.

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High Capacity HMX Treatment Plants

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Headhunter's high-capacity treatment plants are engineered for demanding applications, processing hydraulic loads between 5,000 and 20,000 gallons....

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TW-HMX-301

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The HMX-301 treatment plant delivers compact, compliant wastewater management for marine vessels. Engineered to meet Coast Guard standards, this sy...

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Tidal Wave-HMX 6004 Series Waste Treatment Plant

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Tidal Wave HMX 6001 Sewage Treatment Plant

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Headhunter TidalWave HMX® Marine Sewage Treatment Plant

Headhunter TidalWave HMX® Marine Sewage Treatment Plant

The HMX series is IMO MEPC.227(64)-approved marine sewage treatment plants designed to automatically treat black and gray water in vessels of all sizes.

  • IMO MEPC.227(64) and Bureau Veritas Approved: Meets the strictest global discharge and effluent standards for marine sewage under MARPOL Annex IV.
  • 33 CFR Part 159.16 Certified: Fully compliant for all US-flagged vessels
  • Friendly User Interface: Push button stop/start with full automation and manual mode.
  • Six-Stage Treatment Process: utilizes flocculant settling, chemical oxidation, hydro-maceration, and patented cross-flow separation for thorough treatment without a separate sludge tank.
  • Optional On-board Chlorine Generation: electrolytic generation of sodium hypochlorite eliminates the need for consumable chlorine.
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Global Regulatory Confidence

Comprehensive IMO MEPC.227(64) approval means your vessel is compliant for worldwide operation, a must for international fleets, commercial vessels, and offshore platforms.

Built for Reliability

With low maintenance, quiet odor-free operation, and advanced separation technologies, HMX systems deliver dependable service day after day with minimal crew oversight.

Space-Saving Design

Compact footprint and lightweight construction make installation easier even where space is limited, ideal for yachts, workboats, drilling rigs, and large commercial vessels.

Custom Engineered for Your Project

Every Headhunter HMX system can be configured to match your vessel’s hydraulic load, organic waste challenge, and space constraints, so you get the perfect fit, not a one-size-fits-all unit.

Explore Our Best Sellers HMX Systems

Headhunter offers a range of HMX sizes and configurations to fit everything from smaller vessels to major offshore installations, each engineered to your specifications.

High Capacity Series

3,600-20,000 gallons/day • IMO MEPC 227.64 certified

Performance Highlights

Performance Highlights

  • Advanced treatment up to 20,000 US gallons/day • 75,700 liters/day capacity (standard marine models).
  • Patented cross-flow separation to destroy influent biomass without external sludge tanks.
  • Quiet, odor-free performance even in challenging marine environments.
  • Programmable automation and optional color touchscreen PLC control.
  • Constructed from marine-grade materials with high-performance corrosion protection.
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Why Choose a Headhunter HMX System?

Why Choose a Headhunter HMX System?

  • In-House Engineering & Custom Builds: All HMX systems are engineered and manufactured by Headhunter — no middleman or third-party designs.
  • Industry Legacy You Can Trust: Headhunter has supplied marine sanitation and wastewater solutions for decades, supporting vessels around the world.
  • Global Approvals & Certifications: Worldwide compliance ensures your vessel meets the most stringent regulatory environments.
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Worldwide Shipping & Service

We ship worldwide, offering you access to the best sewage system parts wherever you are.

ISO-Certified Quality

Backed by ISO 9001:2015 certifications to guarantee compliance and superior standards.

Dedicated Support

From consultation to after-sales service, Headhunter ensures reliable support at every stage of the purchasing cycle.

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