• HydroClear 20 pop Sewage Treatment Plant

With a market-leading pollutant removal level of 97%, the CE marked HydroClear is easy to install and cost effective to maintain. It represents significant progress for the domestic wastewater industry.

Hydroclear effluent can be dischaged directly into a watercourse without having to pass through a soakaway. Made in Scotland.


Population served: 13-20

Max.hydraulic load (l/day): 4000

Organic load (g BOD/day): 1200

NH3 (g/per day): 160

Capacity: 7960 litres

Length: 5680mm

Width: 1400mm

Height: 2635mm 

Empty plant weight: 550kg

Energy usage (kWh/day): 2.7

Desludging interval: 6 months


Class-leading performance

The HydroClear produces an astonishing market leading pollutant removal level of 97%. Carrying full CE accreditation to BS EN12566-3, final values are achieved for BOD,SS and NH4-N of 10:13:6mg/l respectively.

Low operating costs

With its un precedented 24 month service period and enhanced capacities the HydroClear can dramatically reduce long term operating costs. This is achieved through the inherent reliability of the simple but effective design rather than using complex systems that require frequent maintenance and desludging to achieve optimum performance.

Silence is golden

High performance diaphragm blowers are used across the full range of HydroClears providing virtually silent operation.

Odour minimisation

Hermetically sealed and market leading performance means the HydroClear effectively combacts odour production.

Easy installation

Further benefits are realised from the outset with optimised design characteristics meaning the 6 opo model can be installed using a 2.5 tonne mini-digger rather than the 7 or 12 tonne machines required for traditional plants. These design values are reflected across the entire HydroClear range resulting in simple, effective installation with minimal damage to the surrounding area.

6-50 pop options

The Hydroclear is available in 6, 12, 20, 30, 40 and 50 population models, in single or multitank designs, depending on size, offering a highley flexible solution to space-lilited sites.


Download HydroClear Installation manual        Download Water & Wastewater.pdf

HydroClear alarm available on request £60.00 + vat


Prices quoted include delivery to mainland UK. Deliveries will be made by a 45ft articulated lorry and it is the customers responsibility to ensure adequate access plus off loading. Off loading of heavy items should be made by fork lift or similar lifting equipment. There should be sufficient access for a 45ft articulated lorry to safely enter and exit the delivery address. In particular all access roads must be capable of accommodating a vehicle up to 40 tonnes in weight. 

There must be no obstacles e.g. overhanging trees, low hanging cables, low bridges etc. below 4.6 metres height which would restrict the delivery vehicle from gaining access to the delivery address.

The customer or the customer’s representative must be on site to sign for the delivery.

If there is any doubt about delivery access or off loading please contact us to discuss options available. Please allow a minimum of 10 days for delivery.


Download the installation PDF

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HydroClear 20 pop Sewage Treatment Plant

  • Brand: Harlequin
  • Product Code: Hydroclear20
  • Availability: In Stock
  • £4,534.80

  • Ex VAT: £3,779.00