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Clearwater Sigma Cesspool


High Level Alarm

SKU: CWSDcp Categories: ,


These intelligently designed Shallow Dig Cesspools have been designed to save you time and money during installation. Not only are these Sigma units for sewage (cesspool) but they can also be used to store surface water and rainwater. They are constructed from non-corrosive materials, designed in accordance with BS 6297.

These tanks are available in the following sizes:







Includes a cover and frame.

Key benefits:

  • Easy installation
  • Lockable cover
  • Perfect for installations where deep digs are not possible

Cesspools are essentially holding tanks, they have no outlet and have to be emptied once full.

Domestic dwellings require a minimum capacity of 18,000 litres for 2 residents and for each additional resident a further 6800 litres is required.

Optional Extra:

Add a High Level alarm with an audible and visual warning to alert you when the tank needs emptying

Offloading is the responsibility of the customer

Volume (litres) Diameter (mm) Length (mm) Invert (mm)
 2,800  1,225  3,020  500
 3,800  1,225  3,900  500
 4,800  1,425  3,775  500
 5,700  1,425  4,275  500
 7,150  1,920  3,230  500
 9,150  1,920  3,965  500

See also the technical diagram under the ‘Product Downloads’ tab

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