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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The International Association of Hydrogeologists, 2015 Congress, Rome

Environmental Geology and Geotechnical Consultants Ltd. attended the International Association of Hydrogeologists’ (IAH) annual conference (“AQUA 2015”) in Rome. The conference was held from the 13th to the 18th of September, hosted by the Italian National Chapter of the IAH at the Sapienza University of Rome. There were 8 keynote lectures given by prominent researchers,…

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Land Contamination Assessment, Clariant Chemicals, Oswaldtwistle, Lancs.

Environmental Geology & Geological Consultants Ltd. have been retained by a prospective purchaser of the former Clariant chemical Manufacturing Site at Nook Lane, Oswaldtwistle, to liaise with the regulatory authorities and to review and summarise findings relating to land contamination at the site. Findings indicated that site is clearly contaminated with a variety of chemical…

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