Anua Anua Septic Tanks

Anua's range of septic tanks for single houses and larger developments are designed and manufactured in accordance with BS EN 12566-3.

Septic tanks are available in the traditional spherical (onion) shape as shown on the left or as a low profile, horizontal cylindrical tank.

Deeper inverts are available where required. For ease of installation and depending on site conditions, concrete or granular backfill can be used.

Prices subject to order value discount.

Please allow 3 to 5 working days for delivery. Offloading of the unit is your responsibilty.

Overview

Septic tanks from Anua provide an economic and reliable solution for domestic dwellings without mains drainage. Anua’s septic tanks are available in the traditional spherical (onion) shape or as a low profile, horizontal cylindrical tank, depending on customer requirements. Our septic tanks cater for applications ranging from single dwellings to large residential or commercial developments.

 Anua septic tanks benefits

• All Anua septic tanks are made of Glass Reinforced Plastic (GRP), a strong, light, chemically resistant and watertight material

• Highly effective BS EN 12566 – 1 certified product

• Proven reliability

• No moving internal parts

• Easy to install

• Low cost installation and maintenance

• Lockable cover

• Annual desludge

• Stable base for storage

• Minimal visual impact

• Adaptability of design to client’s requirements

How Does an Anua Septic Tank Work?

A septic tank is a separation system, where the clarified effluent is discharged:

1. Raw sewage enters the first stage of the tank where solids settle by gravity to the bottom of the tank
2. Sludge levels reduce within this stage with the aid of naturally occurring anaerobic digestion
3. The flow passes upwards through further baffle arrangements providing further clarification
4. The settled effluent is displaced from the tank by the incoming sewage flow
5. The partially treated effluent then flows into the percolation area or other suitable filter bed system.
6. Sludges built up in the base of the septic tank are emptied annually to ensure continued efficient running

Basic septic tanks only partially treat sewage and discharge effluent of a low quality. A septic tank may not be suitable for your site if:

• Soil condition is poor
• There is close proximity to a watercourse
• Other building regulation factors impede the use of a septic tank.