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…

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…

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…

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…

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…

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…

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…

Expert Witness Services – Barton Moss hydraulic fracturing site, Lancashire.

A site visit and soil sampling at the Barton Moss coal bed methane / shale gas / shale oil test drilling site was conducted by Dr Aidan Foley of Environmental Geology & Geotechnical Consultants Ltd, on 9th May 2014. The samples identified soil contamination with Polycyclic Aromatic Hydrocarbons (PAHs) and observation on site revealed a…

Spectral map of landfill leachate

A Cost-Benefit approach to Tracer Testing

WATER TRACING SERVICES UK is a collaborative enterprise between Environmental Geology & Geotechnical Consultants Ltd. and Rigare Ltd. We gave the following presentation entitled ‘A cost-benefit approach to tracer testing’ to the annual Groundwater Modellers’ Forum, which this year was held in Birmingham on 13th May. The presentation may be downloaded in .pptx format here:…