John Meunier

John Meunier logoFounded in 1948, John Meunier Inc. is a North American supplier of wastewater headworks equipment and stormwater management equipment. With a wide range of technologies, John Meunier designs, manufactures and services wastewater treatment plants. John Meunier invests in R&D to meet growing environmental regulations and market needs.  Part of Veolia Water Solutions & Technologies, John Meunier Inc. emphasizes Service, Value and Responsibility: industry leading service, quality products and technologies respecting the environment.


  • Escalator® Perforated Fine Screen
  • Cont-Flo® Type CF Reciprocating Rake, Back-cleaning Bar Screen
  • Cont-Flo® Type ER Front-clean, Multi-rake Bar Screen
  • Rotarc® Type SB In-channel Auger Fine Screen
  • Rotarc® Type SD In-channel Rotating Drum Screen
  • Rotarc® Type RCR Arc Bar Screen
  • Rotarc® Type RDB Perforated Arc Screen
  • Rotopac® Type RPW Shafted Screenings Washing Compactor
  • Rotopac® Type RDW Shaftless Screw Washing Compactor
  • Rotopac® Type RCW Two-stage Washing Compactor
  • Rotopac® Type RLK Shaftless Screw Conveyor

Grit Removal

  • Mectan® Induced Vortex Grit Chamber

  • SAM® Grit Dewatering Screw
  • SAM® Type GFW Grit Washer

Packaged Headworks

  • Seprapac Type PCC Compact Packaged Headworks
  • Seprapac Type PCS Packaged Headworks

CSO Flow Control

  • Hydrovex® CCV Circular Flap Check Valve
  • Hydrovex® FluidCasca Cascading Float Gate
  • Hydrovex® FluidGate Control Gate
  • Hydrovex® FluidHook Control Gate
  • Hydrovex® FluidMID Magmeter Regulating Gate
  • Hydrovex® FluidMoon Adjustable Knife-gate
  • Hydrovex® FluidVertic Vertical Vortex Valve
  • Hydrovex® HHV-E Vortex Driven Regulator
  • Hydrovex® LCV Elongated Flap Check Valve
  • Hydrovex® Pond Vertical Vortex Flow Regulator
  • Hydrovex® Tipper Flow Measurement Device
  • Hydrovex® TTT Thistle Tube Throttle
  • Hydrovex® Turbo Flow Regulator
  • Hydrovex® VHV-SVHV Vertical Vortex Flow Regulator

CSO Storage and Treatment

  • Hydrovex® FluidSep Vortex Separator
  • Hydrovex® SFT Sediment Flusher
  • Hydrovex® Clari Self Regulating Outlet Port

CSO Overflow Control

  • Hydrovex® ARS Air Regulated Siphon
  • Hydrovex® BW Bending Weir
  • Hydrovex® Flap Spring-loaded Weir
  • Hydrovex® FluidWing Overflow Weir

CSO Screens

  • Hydrovex® FluidScreen Oscillating Bar Rack
  • Hydrovex® RDS Rotary Drum Sieve
  • OS-LP CSO Bypass Screen
  • Stormguard Perforated CSO Bypass Screen

Visit Hydrovex Online

Visit John Meunier Online

Contact Us

Corporate Headquarters
100 Wormans Mill Court
Frederick, MD 21701
Phone: 301-846-0200

Find an office near you

Damaged Shipment Terms

Subscribe to our Newsletter

News and Events

Kappe Heil Golf Tournament 2017

Another successful Tournament completed!  Pictures are now up. Come check them out!


PWEA PennTec Conference 2017

June 4th thru 7th 2017 - The PWEA PennTec Conference will be held at the Kalahari Resort and Convention Center in Pocono Manor, PA.