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RWB Group works with environmental agencies, local councils, and large developers, conducting environmental hydrographic surveys. We are highly experienced in all survey disciplines, and we ensure we meet the client’s objectives using the most appropriate methodology. Our professional service is value-driven, and we are fully accredited to ISO 9001, 14001, and 4501.

Above ground hydrology and sub-surface geology are an essential part of understanding the ecological value of different locations and the roles of topographical landmarks. Our baseline surveying service delivers information and advice to facilitate land management plans and determine the effects of development plans.

The Purpose of Hydrological Surveys

The role of hydrographical surveys is to create an overview of land use, geology, and topography. Surveying takes place on sites that might have features such as wet or waterlogged woodland, grassland, farmland, and elements of urbanisation.

Our surveys create reports that outline and map the hydrological features and existing drainage networks and wet and dry ditches. The information can be leveraged to enhance the drainage of sites and for pipeline routing. We highlight the impact that modifications to culverts and drainage networks might have on the site, including flood risk assessments.

What Hydrological Surveys Include

Our hydrographic surveys are created by bringing together ordnance survey maps and topographical data from organisations such as the Environment Agency, National River Flow Archive, and the British Geological Survey.

State of the art technology, such as GPS and LiDAR data, can be used in conjunction with walk-over surveys and geo-referenced photos of structures and land features. Together these show historical changes of land-use and previous rerouting of watercourses and culverts and the effects these have on the environment of the catchment.

Environmental surveying documents many crucial landscape features such as slopes, elevations, standing water, vegetation, and overgrowth. The survey identifies earth formations of sedimentary bedrock, gravel, clay, sand, and silt. Hydrological surveying documents the source (inflow), route, and flow (outflow) of springs, brooks, streams, rivers, and culverts. The report also notes water depths, seasonal flooding, and the significance of surface water runoffs.

Hydrological Base Map

The final surveying report is used as a hydrological base map that shows the impact that modifications and changes in use may have on the site’s ecology. We identify the possibilities and actions for improving drainage, and the base map can be a precursor to further services such as ditch and culvert CCTV surveys.

Our team has years of experience carrying out hydrographic surveying work and all associated sub-services. We provide a full range of land and hydrographical survey solutions using the latest technology and a fleet of vehicles.

Environmental Hydrological Surveys

If you require a hydrological survey, please get in touch with RWB Group. We’re an experienced team of hydrographic suveyors and have worked with a comprehensive range of clients across various industries.

Get in touch with us on 0800 488 0658 or you can send us an email here.

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