Infiltration Testing
Optimising your drainage strategy
Infiltration testing confirms whether surface water can be safely discharged to ground and is a key requirement for SuDS strategies and planning approval.
Our BRE 365-compliant testing assesses the infiltration potential at your site and optimises your drainage strategy.
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What is an Infiltration Test?
Most drainage-related planning conditions recommend that infiltration testing (sometimes referred to as soakaway testing) should be undertaken in line with the guidance offered in BRE Digest 365.
This guidance requires the excavation of one or more test pits, which are rapidly infilled with water. Subsequent water level readings are used to understand the drainage potential of the local ground conditions.
Interpretation of the test results is used to calculate a site-specific infiltration rate, which is essential for designing and sizing drainage components such as soakaways, infiltration basins or permeable paving, in line with current design standards.
Why do I need an Infiltration Test?
Planning applications for new development sites are often required to provide Sustainable Urban Drainage Systems (SuDS) to manage stormwater runoff.
In line with the drainage hierarchy, drainage systems should, wherever possible, discharge surface water runoff from impermeable areas into the surrounding ground.
An infiltration test may be required to establish whether ground conditions are suitable for the use of infiltration drainage solutions.
Environmental reports provided.
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How we can help
Infiltration Testing
POA
- Follows BRE Digest 365 guidance for industry standard designing
- Identifies the most cost-effective means of testing
- Uses in-house datasets, including SuDS potential mapping, to optimise testing
- Calculates meaningful infiltration rates
- Allows test results to inform Drainage Design
- Considers national & local planning requirements
- Liaison with your Local Authority to manage any technical queries
Additional services
- Detailed drainage design
- Percolation testing
- SuDS strategies
- Management and maintenance plans
- Foul drainage assessments
- Support for building regulations
- Pre-development sewer enquiries
- Drainage Modelling
- Welsh SAB applications
We also provide reports for:
Contaminated Land
Reports assess whether a site has potential land quality issues, state who and what is at risk, and outline the solutions available.
Flood Risk
Designed to assess flood risk from all sources with clear mitigation measures.
What our customers have to say
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“We are very pleased with the service provided by GeoSmart. Their reports have been used to assist with numerous planning applications and have always been delivered to budget and on-time, much to our clients’ appreciation. We look forward to working with GeoSmart on future projects.”
“Efficient and friendly service, GeoSmart provided a clear and concise report within the timescales advised. Great service and I would have no problem recommending”
“The service for a Phase 1 Contaminated Land Study was excellent, fast and efficient! GeoSmart were willing to assist despite the extremely tight timescale to work with. We will definitely consider using your services again”
“The service was great, fast and efficient. Everyone we talked to was very helpful and the details were well received by the planners”
“Great service! Extremely fast and the report was very detailed and well received by the planners. Many thanks GeoSmart, we will definitely use your services again”
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I was concerned to find out that my house was at a ‘moderate risk’ of groundwater flooding. I was unable to get any further information from anyone until I contacted GeoSmart. The staff I spoke to were friendly, helpful, efficient and extremely knowledgeable. The information provided was very site…
I now purchase GeoSmart’s Groundwater Flood Risk maps regularly – always a very speedy response to the both the initial request and, more importantly, delivery of the data! Excellent customer service too. The data is clear and extremely useful for flood risk assessments.
Brilliant customer service.