Marsh Industries, a UK market leader in off mains drainage are based in  new purpose built factories in Northamptonshire. We manufacture and distribute high quality  sewage treatment plants and off mains drainage products for both UK and Overseas markets. We have many unique products which have been tested and certified and  are proven to improve the environment in a very cost effective way.

Our principle areas are Sewage Treatment, Rain Water Harvesting and Pumping Stations.

We believe we offer the one of the most comprehensive ranges of Sewage and Effluent Products in Europe from industry leading Ensign Sewage Treatment Plant to 3phase heavy duty 20,000litre industrial pump stations.


New Marsh Industries Brochure 2014 Download PDF 2014 

The Product Range Includes

  • Marsh Ensign Range of sewage treatment plants 6-50 person both Standard and shallow dig sewage plants
  • Marsh Ultra Polylok Commercial & Industrial sewage plants
  • Marsh Septic Tanks both spherical and cylindrical
  • Uni:Gem Secondary Domestic Sewage Treatment Plant for Septic Tanks and underperforming sewage plants
  • Rain Cell Rain Harvesting Systems for the domestic housing sector.
  • Well Water Rain Harvesting for commercial and industrial use.
  • Holland Pump Chambers for the domestic and industrial markets