MWH has particular expertise in:
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Assessment of sustainable yield and security of supply for all types of water sources and water supply systems, including strategic and regional studies aimed at optimising yield, rationalising water sources, treatment and supply
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Management and evaluation of hydrometric data and the modelling of catchments, aquifers and water resource systems including the use of yield enhancement techniques such as artificial recharge, effluent re-use and conjunctive use
- Evaluation of surface water and groundwater quality, and the impact of point source and diffuse pollution
For surface water systems, MWH has extensive experience in the development of dam and reservoir sites and the assessment of flood flows for rivers and reservoirs including flood risk studies in accordance with PPG25.
For groundwater systems, MWH has specialist expertise in the following:
- Pumping test supervision and analysis, with particular expertise of complex aquifer systems
- The potential impact of resource developments on sensitive aquatic environments such as wetlands
- Artificial recharge scheme investigations
- In-situ treatment of groundwater to reduce nitrate and arsenic concentrations
MWH is currently advising water industry clients on the potential implications of the Water Framework Directive and climate change.
MWH’s Approach
MWH’s highly qualified and experienced hydrologists and hydrogeologists can be accessed through our nine UK offices. MWH places strong emphasis on client communication, effective definition and understanding of the scope of the project to ensure that all relevant issues are considered enabling delivery of a first class service to the client.
A key priority is to build a team containing the most suitable professionals within the global company using the benefits of MWH’s internal Knowledge Net. There is strong emphasis within MWH on technical innovation, participation in national and international research projects and the sharing of knowledge from all water resource professionals within MWH.
Experience
Examples of MWH’s approach are summarised below:
South London Artificial Recharge Scheme
MWH has worked closely with Thames Water Utilities Ltd. and has successfully proven that surplus treated winter water from the River Thames may be reliably stored in the chalk aquifer in order to provide improved groundwater supplies during summer peak demand. The success of the project has relied on a number of innovations introduced by MWH to overcome the significant local groundwater complexity and to identify the optimum locations for development.
This project is the only artificial recharge scheme attempted, so far, in the UK in an area where interconnection between the groundwater system and connected rivers is a significant management issue.
Greater Glasgow and Grampian Region Water Resources and Treatment Strategies
MWH has carried out a comprehensive review of the existing water resources and treatment in both the Grampian Region and Greater Glasgow area for Scottish Water. The key tasks included a review of yields from existing sources, development of the supply/demand balance, headroom calculations and strategy development up to 2025.
An innovative feature of the study has been the identification of existing sources at potential risk of failing to meet the requirements of the EU Water Framework Directive.
Liaoning Integrated Environment Programme
The Liao Basin covers an area of 70,000 km2 in north east China with a population of twenty three million. The per capita water availability within the basin is low. Low availability is compounded both by pollution and inefficient water use by the agricultural, industrial and domestic sectors.
MWH has undertaken a four year Water Resources Management project, as part of a wider joint EU-China funded Liaoning Integrated Environment Programme, to develop a sustainable strategy and basin plan. The innovative features leading to successful development of this strategy have been the use of appropriate modelling tools, co-operative working between the EU and Chinese team members and objective monitoring and evaluation of the strategy outputs.
Summary
The main benefits arising from MWH’s approach are:
- Convenient local access, through our regional offices, to global knowledge and expertise
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A strong emphasis on defining and understanding the scope of work, through excellent communication with the client, to ensure that all relevant project issues are defined and addressed
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A great emphasis on experience and innovation to enable the optimum solution to be identified and implemented
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A great emphasis on quality service to ensure that the client’s expectations are always equalled or exceeded
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