Sewage Treatment Plants

We offer a vast range of products from trusted manufacturers that provide pollution control, including Harlequin, Clearwater, Klargester and Marsh. This equipment can be used for agricultural, industrial and domestic applications. We supply a range of sewage treatment solutions designed to suit your needs and budget, such as sewerage treatment plants, cesspools, septic plants and pump stations. Our sewerage treatment plants are available in sizes suitable for 6 persons to 50 persons. A vital part of any structure, sewage systems constitute complex apparatus that can often require a great deal of maintenance if not produced in the very best materials or fitted correctly, but this is never a concern when you use Cotterill Civils, as our experts provide the very finest of installation services to ensure complete safety and functionality for optimum sewage water treatment. From a small septic tank and cover to enormous package sewage treatment plant complete with alarm, our comprehensive range of products means you don’t have to look far to find exactly what you require in a design that is totally tailored to your budget and facilities. Call Cotterill Civils today on 0121 351 3230 to discuss the equipment we have available and to be advised on the product that is best for you.

  • Klargester Alpha Septic Tank Cover & Frame Image

    Klargester Beta Septic Tank Cover & Frame

    0 out of 5

    Measurement for frame outside edge to outside edge is L:825mm x W:668mm.

    Measurement for the manhole cover only is L:620mm x W:470mm.

    Lifting keys are supplied with this product.

    Shipping cost £15 – Estimated delivery: 3-5 days

    £50.00 (£60.00 incl VAT)
  • Klargester Alpha Septic Tank Cover & Frame Image

    Klargester Alpha Septic Tank Cover & Frame

    0 out of 5

    Glavanised steel cover and black polypropylene frame to fit Klargester Alpha septic tank.

    This Klargester cover and frame is pedestrian rated and has a maximum weight limit of 1 tonne.

    Shipping cost £15 – Estimated delivery: 3-5 days

    £56.60 (£67.92 incl VAT)
  • Klargester Biotec Sample Chamber Image

    Klargester Biotec Sample Chamber

    0 out of 5

    The Klargester sample chamber dimensions;

    • Overal depth – 1333mm
    • Inlet depth – 1093mm
    • diameter – 490mm
    • Inlet & outlet pipe diameter 110mm/160mm

    Estimated delivery: 5-7 days

    £159.50 (£191.40 incl VAT)
  • Klargester Biotec Sample Chamber Image

    Klargester Biodisc Sample Chamber

    0 out of 5

    The Klargester sample chamber dimensions;

    • Overal depth – 1333mm
    • Inlet depth – 1093mm
    • diameter – 490mm
    • Inlet & outlet pipe diameter 110mm/160mm

    Estimated delivery: 5-7 days

    £257.40 (£308.88 incl VAT)
  • Clearwater Septic Tank 4,600 ltr (1000mm invert) Image

    Clearwater Septic Tank 2,800 ltr (1000mm invert)

    0 out of 5

    Product Spec:

    • Capacity (Ltrs) : 2800
    • No. People (150 lts/head/day) : 5
    • Width (mm) : 1905
    • Inlet Level to Base (mm) : 1565
    • Height (mm) : 2599

    Features:

    • Manufactured from GRP – strong, light, chemically resistant and watertight
    • Suitable for homes up to 5 occupants
    • Performance tested to EN-12566 (part 1)

    Estimated delivery: 5-7 days

     

    £412.30 (£494.76 incl VAT)
  • Marsh Spherical Septic Tank 2,800 litre Image

    Marsh Spherical Septic Tank 2,800 litre

    0 out of 5

    Product Spec :

    Diameter (mm) : 1870

    Height (mm) : 2780

    Inlet Invert (mm) : 1000

    Outlet Invert (mm) : 1075

    Advantages of using Marsh Tanks:

    • Easy installation with ‘keying-in’ lip and lifting eyes
    • Has a flat bottom so that it doesn’t roll during installation
    • Can be installed in pea-shingle
    • Tested and certified to BSEN12566-1
    • 50 year design life
    • 25 year structural guarantee

     

    £498.16 (£597.79 incl VAT)
  • Clearwater Septic Tank 4,600 ltr (1000mm invert) Image

    Klargester Alpha GRP Septic Tank 2,800 Litre – upto 5 person

    0 out of 5

    CAPACITY ; 2800 LITRES

    No. PEOPLE (150l/head/day) : 5

    WIDTH (mm) : 1905

    INLET LEVEL TO BASE (mm) : 1565

    Klargester Alpha tanks provide a reliable and economic solution for homes not connected to mains drainage. Alpha tanks are manufactured from composite GRP – light, chemically resistant and watertight.

    Estimated delivery: 5-7 days

    £509.00 (£610.80 incl VAT)
  • Clearwater Septic Tank 4,600 ltr (1000mm invert) Image

    Clearwater Septic Tank 3,800 ltr (1000mm invert)

    0 out of 5

    Product Spec:

    • Capacity (Ltrs) : 3800
    • No. People (150 lts/head/day) : 12
    • Width (mm) : 2070
    • Inlet Level to Base (mm) : 1795
    • Height (mm) : 2810

    Features:

    • Manufactured from GRP – strong, light, chemically resistent and watertight
    • Suitable for homes with up to 10 occupants
    • Performance tested to EN-12566 (part 1)

    Estimated Delivery 5-7 Days

    £526.30 (£631.56 incl VAT)
  • Clearwater Shallow Dig Cesspool 2,800 ltr Image

    Clearwater Shallow Dig Cesspool 2,800 ltr

    0 out of 5

    Tech Spec

    • Volume (Ltrs)                            2,800
    • Diameter (mm)                         1,225
    • Length (mm)                              3,020
    • Standard Inlet Invert (mm)        500

    Features & Benefits
    • Pea gravel backfill for dry sites

    • EN 12566-1 approved

    • Installation in hard rock areas where deep digs are not possible

    • 30mm between inlet and outlet• 0.5 and 1m neck extensions available for deeper installation

    Estimated Delivery 5-7 Days

     

     

    £617.50 (£741.00 incl VAT)
  • Marsh Spherical Septic Tank 2,800 litre Image

    Marsh Spherical Septic Tank 3,800 litre

    0 out of 5

    Product Spec :

    Diameter (mm) : 2075

    Height (mm) : 3000

    Inlet Invert (mm) : 1000

    Outlet Invert (mm) : 1075

    Advantages of using Marsh Tanks:

    • Easy installation with ‘keying-in’ lip and lifting eyes
    • Has a flat bottom so that it doesn’t roll during installation
    • Can be installed in pea-shingle
    • Tested and certified to BSEN12566-1
    • 50 year design life
    • 25 year structural guarantee

     

    £624.28 (£749.14 incl VAT)
  • Clearwater Septic Tank 4,600 ltr (1000mm invert) Image

    Clearwater Septic Tank 4,600 ltr (1000mm invert)

    0 out of 5

    Product Spec:

    • Capacity (Ltrs) : 4600
    • No. People (150 lts/head/day) : 17
    • Width (mm) : 2080
    • Inlet Level to Base (mm) : 2035
    • Height (mm) : 2984

    Features:

    • Manufactured from GRP – strong, light, chemically resistant and watertight
    • Suitable for homes with up to 17 occupants
    • Performance tested to EN-12566 (part 1)

    Estimated Delivery 5-7 Days

     

    £629.85 (£755.82 incl VAT)
  • Clearwater Septic Tank 4,600 ltr (1000mm invert) Image

    Klargester Alpha GRP Septic Tank 3,800 litre

    0 out of 5

    CAPACITY : 3800 LITRES

    No. PEOPLE (150l/head/day) : 12

    WIDTH (mm) : 2070

    INLET LEVEL TO BASE (mm) : 1795

     

    Klargester Alpha tanks provide a reliable and economic solution for homes not connected to mains drainage. Alpha tanks are manufactured from composite GRP – light, chemically resistant and watertight.

    Estimated delivery: 5-7 days

    £659.00 (£790.80 incl VAT)