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.

  • 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 (£412.30 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 (£498.16 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 (£526.30 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 (£617.50 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 (£624.28 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 (£629.85 incl VAT)
  • Clearwater Shallow Dig Septic Tank 5,700 ltr (500mm invert) Image

    Clearwater Shallow Dig Septic Tank 2,800 ltr (500mm invert)

    0 out of 5

    Product Spec:

    • Capacity (Ltrs) : 2800
    • No. People (150 lts/head/day) : 5
    • Diameter (mm) : 1225
    • Length (mm) : 2955
    • Standard Invert Height (mm) : 500

    Features:

    • Reduced installation costs – less soil disposal and excavation costs
    • Manufactured from GRP and EN12566-1 approved
    • 99.7% efficient
    • Suitable for pea shingle gravel backfill for dry sites.

    Estimated Delivery 5-7 Days

     

    £665.00 (£665.00 incl VAT)
  • Marsh Cylindrical Septic Tank 2,800 litre Image

    Marsh Cylindrical Septic Tank 2,800 litre

    0 out of 5

    Product Spec :

    Length (mm) : 3000

    Width (mm) : 1250

    Height (mm) : 1750

    Inlet Invert (mm) : 500

    Outlet Invert (mm) : 800

    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

     

     

    £718.88 (£718.88 incl VAT)
  • Clearwater Shallow Dig Cesspool 2,800 ltr Image

    Clearwater Shallow Dig Cesspool 3,800 ltr

    0 out of 5

    Tech Spec

    • Volume (Ltrs)                            3,800
    • Diameter (mm)                         1,225
    • Length (mm)                              3,900
    • 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

     

     

    £722.00 (£722.00 incl VAT)
  • Marsh Spherical Septic Tank 2,800 litre Image

    Marsh Spherical Septic Tank 4,500 litre

    0 out of 5

    Product Spec :

    Diameter (mm) : 2196

    Height (mm) : 3100

    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

     

    £734.69 (£734.69 incl VAT)
  • Clearwater Shallow Dig Septic Tank 5,700 ltr (500mm invert) Image

    Clearwater Shallow Dig Septic Tank 3,800 ltr (500mm invert)

    0 out of 5

    Product Spec:

    • Capacity (Ltrs) : 3800
    • No. People (150 lts/head/day) : 12
    • Diameter (mm) : 1225
    • Length (mm) : 3895
    • Standard Invert Height (mm) : 500

    Features:

    • Reduced installation costs – less soil disposal and excavation costs
    • Manufactured from GRP and EN12566-1 approved
    • 99.7% efficient
    • Suitable for pea shingle gravel backfill for dry sites.

    Estimated Delivery 5-7 Days

    £771.40 (£771.40 incl VAT)
  • Marsh Cylindrical Septic Tank 2,800 litre Image

    Marsh Cylindrical Septic Tank 3,800 litre

    0 out of 5

    Product Spec :

    Length (mm) : 4000

    Width (mm) : 1250

    Height (mm) : 1750

    Inlet Invert (mm) : 500

    Outlet Invert (mm) : 800

    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

     

    £794.55 (£794.55 incl VAT)