Project experience Landfill sites
Polluted medium Ground water
Client Derby City Council
Consultant Ove Arup and Partners
Contractor Alpheus Environmental
 
 

Until the mid 1990s, Pride Park was an area of heavily contaminated, derelict land east of Derby City Centre. It had been used for industrial and domestic landfill, a gas and coke works and gravel extraction. The condition of the site and high levels of contamination were hindering re-development of the land.

Derby City Council engaged Alpheus in partnership with Ove Arup & Partners and Purac-Morrison consortium to help the re-development of the area for both economic and environmental reasons.

The site was to undergo ground remediation and this process involved the treatment of the leachate running off the landfill before it entered the River Derwent.

Initially, a 10m deep, 3km long cut-off wall encircling the site was installed with abstraction boreholes pumping contaminated groundwater from within the wall and monitoring boreholes checking groundwater levels on both sides of the wall.

A wastewater treatment plant was then installed to treat the contaminated groundwater prior to discharge to the river. After the installation, Alpheus secured the contract to operate and maintain the treatment plant for a 15-year period.

The contract includes day-to-day running of plant, managing utilities, sampling and analysis, maintenance of online monitors, dipping of monitoring boreholes and grounds maintenance.

More recently, the agreement has been extended to include maintenance of the abstraction borehole pumps.

Since taking over the day-to-day running of the plant, Alpheus has delivered a major improvement to overall plant performance with excellent discharge consent compliance and significant utility costs savings.

With reliable mechanical and electrical operation, a considerable reduction in operating costs has been attained. Electricity costs have been lowered by more than 25% plus analytical and chemical costs by 80% due to plant optimisation and a reduced sampling regime.

The installation of the works enabled the re-development of Pride Park, making a substantial and positive contribution to the local economy, community and the environment.

Derby City Council has commented: “Alpheus began their involvement with Pride Park in 1997, when they took over sole control of the water treatment plant. Since then they have very competently managed the running of the plant, successfully treating over two million cubic metres of water and discharging it safely into the River Derwent. Throughout the time Alpheus have been involved with the plant, their team have been very professional in their dealings with ourselves, our consultants and the Environment Agency”.


Until the mid 1990s, Pride Park was an area of heavily contaminated, derelict land east of Derby City Centre. It had been used for industrial and domestic landfill, a gas and coke works and gravel extraction. The condition of the site and high levels of contamination were hindering re-development of the land.

Derby City Council engaged Alpheus in partnership with Ove Arup & Partners and Purac-Morrison consortium to help the re-development of the area for both economic and environmental reasons.

The site was to undergo ground remediation and this process involved the treatment of the leachate running off the landfill before it entered the River Derwent.

Initially, a 10m deep, 3km long cut-off wall encircling the site was installed with abstraction boreholes pumping contaminated groundwater from within the wall and monitoring boreholes checking groundwater levels on both sides of the wall.

A wastewater treatment plant was then installed to treat the contaminated groundwater prior to discharge to the river. After the installation, Alpheus secured the contract to operate and maintain the treatment plant for a 15-year period.

The contract includes day-to-day running of plant, managing utilities, sampling and analysis, maintenance of online monitors, dipping of monitoring boreholes and grounds maintenance.

More recently, the agreement has been extended to include maintenance of the abstraction borehole pumps.

Since taking over the day-to-day running of the plant, Alpheus has delivered a major improvement to overall plant performance with excellent discharge consent compliance and significant utility costs savings.

With reliable mechanical and electrical operation, a considerable reduction in operating costs has been attained. Electricity costs have been lowered by more than 25% plus analytical and chemical costs by 80% due to plant optimisation and a reduced sampling regime.

The installation of the works enabled the re-development of Pride Park, making a substantial and positive contribution to the local economy, community and the environment.

Derby City Council has commented: “Alpheus began their involvement with Pride Park in 1997, when they took over sole control of the water treatment plant. Since then they have very competently managed the running of the plant, successfully treating over two million cubic metres of water and discharging it safely into the River Derwent. Throughout the time Alpheus have been involved with the plant, their team have been very professional in their dealings with ourselves, our consultants and the Environment Agency”.


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Alpheus Environmental address and contact details

Alpheus Environmental Limited
Osprey House
Percy Road
Huntingdon
PE29 6SZ
Tel: 01234 686100
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