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Marsh Ensign Pumped Domestic Sewage Treatment Plant

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£2,490.00 Incl. VAT
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Product Description

The Ensign domestic sewage treatment plant comes with lifting eyes to make unloading and installation faster and safer. We designed the Ensign plant to self-level on the base and with our unique pipe connections ensure the installation is undertaken efficiently and correctly. The six person Ensign Sewage plant is extremely strong and is only 1.95m in depth with an inlet invert of 500mm, this design reduces both the time and cost of installation, in normal ground conditions the unit only requires a pea-shingle surround. For guidance ideally the Ensign plant should be 7m from a dwelling or10m from a stream.

Package Sewage Treatment Plants (or PSTP's) are often a suitable option where groundwater in the surrounding environment is vulnerable, drainage field percolation values are restrictive, or direct discharge to watercourse or surface water sewer is the preferred discharge method. Marsh Industries Ensign range of sewage treatment plants treat final effluent to British and European Standards to allow it to be discharged back into the watercourse whilst reaching national consent standards. Our tanks can be manufactured with either a gravity or pumped outlet to meet your site requirements. At Marsh Industries we only use 100% virgin resin (no chalk fillers) in all our products. Lead times for Domestic Sewage Treatment Plants are normally only 5-7 working days.

External Cabinet as standard. Fitted with an internal pumped outlet and will do a max head of 3m and 50m pumped distance. Outlet is 32mm MDPE.

Advantages of using Marsh Sewage Treatment Plants:

  • No moving parts
  • Low running and maintenance costs (Approx. £52.00 per a 6PE)
  • Easy installation with keying-in lip and lifting eyes
  • Tested and certified to BSEN12566-3
  • 50 year design life
  • 25 year structural guarantee

The Ensign plant has been tested to EN12566:3-2005 this is highest testing standard for European testing. The high test results mean the Ensign can discharge direct to a ditch, watercourse or percolation bed.

Product Documents

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Material GRP Population 6 Person
12 Person
10 Person
50 Person
Capacity Domestic Operational Type Pumped

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Questions & Answers


Can we discharge to a soak away


You can discharge into a drainage field, however you would not be able to use soakaway crates due to the new regualtions on sewage treatment plants. 

Product Reviews

4.5 / 5 3 reviews
scott spearpoint
Reviewing Marsh Ensign Sewage Treatment Plant with Pump - 6 Person Tank
31st October 2020
Good tank straight forward to fit. But could do with a better lid. So it’s easier to finish around it. Also pumped outlet version could do with better set up for the 32mm outlet. Needs beefing up a bit going into tank . But overall not bad value for money
Daniel Meads
Reviewing Marsh Ensign Sewage Treatment Plant with Pump - 10 Person Tank
26th September 2020
Great tank, easy to install and odourless at the moment.
Reviewing Marsh Ensign Sewage Treatment Plant with Pump - 10 Person Tank
4th March 2020
Great tank and pump. Not yet in the ground but both look the part. Properly built, cleverly balanced, nice hooks for moving around. Excellent delivery by a gentleman driver and extremely helpful with unloading the 190kgs tank from the back of his lorry, without the help of a digger or loader. Easy to do with proper instructions and no backaches afterward. Nice and clear installation instructions provided with the Marsh 10p tank and pump. Thank you for your great service and communication. My grandchildren wanted me to turn the tank into a submarine so that is what we call it now: our submarine!
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Marsh Ensign Pumped Domestic Sewage Treatment Plant

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