Sewage Treatment Plant

Product Code
Sewage Treatment Plants
Only %1 left
From: £2,640.00 £2,200.00

Delivery is free on orders over £420 within a 70 mile radius of our depots. For orders outside a 70 mile radius of our depots, delivery costs will apply. For orders under £420, delivery costs will apply.

Delivery costs start from as little as £5.99 but is dependent on the size and weight of your order. All delivery costs are clearly stated in stage 2 of the checkout, once you have entered your delivery postcode.

About product

McVeigh Parker have over 40 years experience in the supply of wastewater management systems.

Not sure of the regulations? Not sure what you require?

We are able to offer a full design and specification service, if you are looking for a domestic sewage treatment system, need to upgrade your old one or have a requirement for your commercial premises, contact us now, for expert advice, site survey (if required) and the very best quotation.


A leading manufacturer in sewage treatment, Marsh industries supplies sewage treatment plants for on and off-mains drainage products for domestic, commercial and industrial applications. All products are certified in accordance with BSEN12050 (pump chambers) and BSEN12566 (septic tanks, sewage treatment plants and cesspools) to ensure compliance with environmental permitting programmes and relevant Building Regulations.

The Ensign sewage treament plant is an intensive biological processing plant for off-mains wastewater. It is 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.



In addition to the anaerobic digestion taking place in the primary settlement tank (as septic tanks) the Ensign unit allows the clarified water to pass into a second 'aeration' chamber where it is treated to remove the dissolved constituents. Here aerobic bacteria, supported by diffused air and mobile media, ensure full treatment is achieved before the treated effluent (and 'sloughed off' bacteria) flow to a final settlement chamber prior to discharge.


Ensign benefits



  • Tested to BSEN12566:3 and CE-marked to ensure compliance with latest environmental and Building Regulations requirements

  • Class-leading effluent quality of 11.5:19.2:8.4 (BOD:SS:NH4) ensures discharges well within national consent standards

  • Three chamber system correctly sized for separation and retention of solids improves final effluent quality

  • Standard or shallow options enable suitability for all site conditions (including driveways - subject to plinth/surround to prevent superimposed loadings)

  • Shallow option ideal for groundworks involving bedrock or high water table as the low profile allows for safe, cost effective installation

  • Low energy compressors ensure minimal running, maintenance and servicing costs

  • High specification bio-media (310m3 per m2) and membrane diffusers ensure even circulation to eliminate 'dead spots'

  • Internal recirculation (from final to primary chamber) continues treatment process to provide higher effluent quality whilst balancing flow over 24 hour period or periods of intermittent use

  • Integral lifting eyes for improved on-site handling

  • Unique ‘keying-in’ lip to assist anchoring into granular or concrete surround

  • Optional extras include patented Polylok filter to further reduce suspended solids and extend life of drainage field; extensions for deep installations; pumped outlets for sites with adverse levels; and many more

    Please note that due to the nature of this product longer lead times may apply. If your order will be affected, your local depot will get in touch and keep you updated every step of the way.








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