
SDS Intellistorm® Rainwater Management

Key Benefits
Smart Rainwater Recycling System
SDS ‘Intellistorm®’ rainwater recycling system enables a site to maximise rainwater reuse and minimise discharge to drain, operating entirely under its own control. The system interprets and assesses weather forecasts along with expected rainfall and local catchment data and responds accordingly.
This is enabled by storing and reusing harvested rainwater for non-potable applications such as toilet flushing, irrigation, vehicle cleaning, manufacturing and cooling systems, whilst creating storage capacity for stormwater that might otherwise overwhelm and flood the drainage system.
SDS Intellistorm® systems reduce by as much as £100,000 the cost of integrating water reuse into a new build development where attenuation already exists, encouraging the take-up of water reuse. Cost isn’t the only key factor; the Intellistorm® system presents no additional equipment footprint or civil excavation associated with a second tank, allowing space to be removed as a barrier in the decision to integrate water reuse.
Features and Benefits
Scalable system can be applied to single or multiple properties.
Suitable for use in commercial, industrial, community residential and domestic installations.
Live rainfall forecast received in mm/24 hours.
Continuous monitoring of rainfall forecasts ensures any expected changes in weather are accommodated.
Automated calculation of spare capacity for attenuation with programmable safety levels.
Provides control of tank water levels to optimise water reuse efficiency (via predictive weather forecasting). Constantly creates and maintains required tank void.
Choice of attenuation tank manufacturing material according to site requirements or specification preferences.
System can be used with any type of attenuation tank.
Valves can be installed on the tank outlets before the flow controller.
Compatible with gravity drained systems. For systems where the tanks are below the level of the sewers a pump is installed.
Choice of attenuation pump capacity.
Any SuDS discharge limits set by the Water Company or Local Authority are adhered to.
Pump typically submerged in underground tank installations or mounted above- ground when tank is installed in a building basement.
Flexible pump locations ensure the system is suitable for all types of project and above- or below- ground installations.
Compatible with a range of water filtration and treatment systems.
Ensures that when configured as a rainwater harvesting system the delivered water meets the required quality standards of multiple supply purposes.
Compatible with above- or below- ground installations.
Provides flexible usage.
Can be partnered with above- and below-ground rainwater storage and Cat 5 water tanks.
Suitable for a diverse range of applications.
Tiered redundancy system allows two mains water backups, operating on separate power supplies.
Ensures supply of water even in the event of system component failure.
Safe-to-fail operation.
System performance is not compromised by power outages
Controller is supplied from a submersible pump located within the rainwater storage tank.
Ensures that the bulk of the stored water is kept in cool conditions.
Bespoke transfer pump sizes available on request.
Increases or decreases the amount of water supplied.
Low energy pumping.
Reduces running cost and carbon footprint.
Sub-metering and automated meter reading, including remote production volume monitoring, available via SDS SYMBiotIC™.
SDS SYMBiotIC™ provides 24/7 client access to accurate rainwater harvesting data and mains water usage via a secure web portal dashboard.
How Does It Work?
Unlike traditional attenuation systems which temporarily attenuate stormwater and allow a continuous controlled discharge of any collected surface water, SDS Intellistorm® actively empties in accordance with weather forecast data. It provides only sufficient space in the tanks to receive the incoming rainwater and ensures the maximum amount of water for reuse is continuously available.
SDS Intellistorm® puts water reuse well within the reach of every project where SuDS are a planning requirement. Where a new build development needs to consider both flood resilience and water consumption impact, there’s no need for separate rainwater harvesting and attenuation systems.
By combining two systems and using intelligent data, significant savings in construction costs are achieved, while spatial restrictions to accommodate large water storage volumes are mitigated. Plus, end users achieve ongoing cost savings through water reuse and the wider environment and society benefit from increased flood resilience.
Furthermore, our Intellistorm® rainwater management system can be extended to incorporate grey water recycling, thereby reducing to an even greater extent the demand on potable water supply, increasing self-sufficiency, reducing carbon footprint and maximising environmental and Corporate & Social Responsibility credentials.

The diagram above represents SDS Intellistorm® Rainwater Recycling system in an office environment.

The diagram above represents SDS Intellistorm®, combined rain- and grey- water management system in a mixed-use development.
SDS Intellistorm® can be deployed at a residential community level, serving either a limited number of properties on a development or the whole development with a shared system.

The diagram above represents our Intellistorm® system in a smaller scale community scheme.

The diagram above represents our Intellistorm® system in a larger scale, development-wide community scheme.
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Real World Impact

Newmarket, Suffolk
SDS smart rainwater harvesting system addresses water scarcity and flooding.

Z House, Salford
SDS rainwater recycling system supplies UK’s first zero carbon home.

Combe Martin, Devon
SDS smart rainwater harvesting system counters CSO spills.
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Clearwater House, Castlemills,
Biddisham, Somerset,
BS26 2RE,
United Kingdom