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Marsh Cesspool Tank – Watertight Sewage Storage 2,800L – 10,000L

from £1,040.25

The Marsh cesspool tank is a heavy‑duty, watertight underground storage solution for raw household sewage where mains drainage is unavailable. It’s designed with a robust GRP shell to withstand ground pressure and hydrostatic loads for reliable long‑term use. Available in 2800 litres - 10,000 litres

Key Features

  • Heavy duty shell as standard to enable installation in all ground conditions

  • Integral lifting eyes for improved on-site handling

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

The shallow dig design makes this unit suitable for installation in high water table areas or challenging ground conditions. Option for a high-level alarm to be installed.

Cesspools should only be emptied by a registered Waste Carrier and hold a current discharge licence from the local water authority. We can assist with this. Please call the office for more details. If unsure - please call our friendly team.

Size:

The Marsh cesspool tank is a heavy‑duty, watertight underground storage solution for raw household sewage where mains drainage is unavailable. It’s designed with a robust GRP shell to withstand ground pressure and hydrostatic loads for reliable long‑term use. Available in 2800 litres - 10,000 litres

Key Features

  • Heavy duty shell as standard to enable installation in all ground conditions

  • Integral lifting eyes for improved on-site handling

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

The shallow dig design makes this unit suitable for installation in high water table areas or challenging ground conditions. Option for a high-level alarm to be installed.

Cesspools should only be emptied by a registered Waste Carrier and hold a current discharge licence from the local water authority. We can assist with this. Please call the office for more details. If unsure - please call our friendly team.

Product Specifications

Size: 2800L

Length (+/-50 mm): 3000

Width (+/-50 mm): 1250

Height (+/-50 mm): 1750

Inlet invert (+/-50 mm): 500

Inlet dia (mm): 110

Product Specification

Size: 8000L

Length (+/-50 mm): 3640

Width (+/-50 mm): 1900

Height (+/-50 mm): 2400

Inlet invert (+/-50 mm): 500

Inlet dia (mm): 160

Product Specification

Size: 3800L

Length (+/-50 mm): 4000

Width (+/-50mm): 1250

Height (+/-50mm): 1750

Inlet invert (+/-50 mm): 500

Inlet dia (mm): 110

Product Specification

Size: 10000L

Length (+/-50 mm): 4200

Width (+/-50 mm): 1900

Height (+/-50 mm): 2400

Inlet invert (+/-50 mm): 500

Inlet dia (mm): 160

Product Specification

Size: 4500L

Length (+/-50 mm): 2650

Width (+/-50mm): 1600

Height (+/-50mm): 2100

Inlet invert (+/-50 mm): 500

Inlet dia (mm): 110

Product Specification

Size: 12000L

Length (+/-50 mm): 5200

Width (+/-50 mm): 1900

Height (+/-50 mm): 2400

Inlet invert (+/-50 mm): 500

Inlet dia (mm): 160

Product Specification

Size: 6000L

Length (+/-50 mm): 2950

Width (+/-50mm): 1900

Height (+/-50mm): 2400

Inlet invert (+/-50 mm): 500

Inlet dia (mm): 160

Product Specification

Installation Manual

Delivery & Returns

  • Free delivery for England, Wales, and most of mainland Scotland. Additional charges may apply for the Scottish Highlands, Scottish Islands, Northern Ireland, Isle of Man, Channel Islands, or other remote locations, confirmed before order confirmation or dispatch.

  • Most orders are fulfilled within 10 working days from payment. Larger or specialist items may take longer — please contact us if your order is time-critical.

  • Offloading is the customer’s responsibility. Suitable equipment should be available to safely remove goods from the delivery vehicle.

  • For full delivery details, see our Delivery Policy.

  • Returns & Refunds: Standard items can be returned within 14 days of receipt, subject to our Returns & Refunds Policy. Many products are bespoke or custom-made (modified dimensions, fittings, pumps, colours, etc.) and cannot be returned unless faulty.