The Calderdale SOURCE catchment management project – latest outputs

The SOURCE partnership was established in 2010, aiming to: Minimize the risk of flash flooding in the Upper Calder Valley by appropriately sited tree-planting and moorland management; Treat damaged land and control erosion; Improve the quality of the River Calder; and Undertake educational activities and encourage volunteering so that people of all ages and from…

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Nitrate Vulnerable Zones – Tribunal Participation

The European Commission (EC) Nitrates Directive requires areas of land that drain into waters polluted by nitrates to be designated as Nitrate Vulnerable Zones. Farmers with land in Nitrate Vulnerable Zones have to follow mandatory rules to tackle nitrate loss from agriculture. Every four years the definition of Nitrate Vulnerable Zones is reviewed by the…

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Critique of Markwells Wood Hydrogeological Risk Assessment

EGG Consultants Ltd were commissioned to review the adequacy and suitability for purpose of the Envireau Water (2017) report ‘Hydrogeological Risk Assessment, Markwells Wood Site, Forestside, west Sussex’, which forms a part of a UK Oil & Gas (UKOG) planning application for oil production from that site. The Envireau Water report is the second attempt…

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Relationship (or lack thereof) between SPZ distribution and likely areas of high and low transmissivity as defined by dry valleys. Contains Environment Agency information © Environment Agency and/or database right and geological data under Licence No. 2011/3PDL/xxxxxx British Geological Survey © NERC.

Karst Potential & Groundwater Vulnerability of Chalk

Groundwater vulnerability in the Chalk is related to the presence of karst features. The Chalk is a porous carbonate rock subject to dissolution by rainwater or surface water infiltrating and percolating through it. The dissolving power of infiltrating water works upon fractures and other planes of weakness within the rock, over time producing enlarged fissures…

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Natural Flood Management

Natural Flood Management (NFM) is considered a catchment-based approach which aims to use ‘soft-engineering’ at a landscape scale to intercept ephemeral overland (surface) flow pathways, generated during high rainfall events, and which link fields and hillslopes to the ditch and stream network. NFM techniques also aim to reduce or delay flood peaks downstream by encouraging…

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Coal Mining Risk Assessment, Tong Street, Bradford

A Coal Mining Risk Assessment (CMRA) for a commercial site in Tong Street, Bradford, was delivered in November 2016, on time and to budget. The Yorkshire Coalfield in the area of Tong Street, Bradford, underwent widespread exploitation of both shallow and deep coal seams. The Firth’s Field Colliery was closed in 1897 after works in…

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Hydrochemical study of groundwater seepage, Preston

Groundwater seepage, soil saturation and associated erosion and subsidence have been occurring adjacent to a college building in Preston, Lancashire. The source of the seepage was unknown, and thought to be associated either with naturally occurring groundwater or due to leakage from water pipes in the vicinity of the college. Determination of the source of…

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Phase II Geoenvironmental / Geotechnical Site Investigation, Blackley, Manchester

EGG Consultants Ltd completed a Phase II Geoenvironmental  & Geotechnical site investigation & assessment for submission to Manchester City Council in support of a planning application for development of a single private domestic detached residence (single storey with additional ‘lower ground’ level integral garage) on 0.46 ha of undeveloped land at Blackley, Manchester, M9 6BH.…

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Linhay Quarry – Tracer Test for Water Management

Linhay Hill Quarry in the Devonian Chercombe Bridge Limestone at Ashburton, Devon, is a limestone quarry which supplies a range of aggregates, ready mix concretes, asphalt, blocks, paving, sand and lime, for new roads and highways maintenance, building construction and agricultural use across Devon. It is planned to extend the existing quarry to the east…

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Spectral map of landfill leachate

Bennadrove Landfill Monitoring, Isle of Lewis, Scotland

The Comhairle Nan Eilan Siar (Western Isles Council) Bennadrove landfill near Stornoway on the Isle of Lewis, Scotland, consists of a number of historical and active landfill cells, with an extension cell proposed to the site (Cell 1G). Some of the historical cells are unlined and there exists the possibility that cells 1B and 1D…

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