1-11 of 11 results for subject:Storage
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To ask the Secretary of State for Environment, Food and Rural Affairs, pursuant to the Answer of 2 November 2022 to Question 71262 on Sewage: Storage, how many permits have been granted to each water company in England since January 2015 to regulate discharges from (a) sewer overflows and (b)...
To ask the Secretary of State for Environment, Food and Rural Affairs, pursuant to the Answer of 2 November 2022 to Question 71262 on Sewage: Storage, how many permits have been granted to each water company in England since January 2015 to regulate discharges from (a) sewer overflows and (b)...
Permits for water companies are publicly available via: Environmental Permitting Regulations – Discharges to water and groundwater (data.gov.uk).
To ask the Secretary of State for Environment, Food and Rural Affairs, what percentage of sewage treatment plants in England contain storage tanks.
To ask the Secretary of State for Environment, Food and Rural Affairs, what percentage of sewage treatment plants in England contain storage tanks.
The Environment Agency permitting database shows there are 5,505 water company sewage treatment works in England, of which 37% (2,017) have permitted storm tank discharges.
To ask the Secretary of State for Environment, Food and Rural Affairs, how Ofwat and the Environment Agency establish whether wastewater treatment works have sufficient temporary storm storage to prevent unnecessary discharges of raw sewage.
To ask the Secretary of State for Environment, Food and Rural Affairs, how Ofwat and the Environment Agency establish whether wastewater treatment works have sufficient temporary storm storage to prevent unnecessary discharges of raw sewage.
At some sewage treatment works, where the permitted treatment capacity may be exceeded due to rainfall, storm tanks form part of the treatment process to limit spills of storm sewage (mixture of sewage and rainfall) to the water environment. These discharges are permitted by the Environment Agency under the Environmental Permitting Regulations.
The permit conditions typically define the assets that control the storm tanks’ performance, for example:
- Storage volume
- Environment.
- Screening
- Monitoring for event duration (how often and how long the storm overflows operate)
- Reporting
Permits also include a management system condition that requires the water to have a written management system that identifies and minimises risk of pollution, so far as is reasonably practicable, along with reporting and notification conditions. The Environment Agency then undertakes compliance assessments for the permits and the conditions they include. These assessments can include the use of monitoring data, reports provided by the water companies and inspections of the sewage treatment works themselves.
To ask the Secretary of State for Environment, Food and Rural Affairs, how many sewage treatment works are operated by each water company in England; and how many of these have temporary storm storage tanks with sufficient capacity to prevent overloading of the treatment works.
To ask the Secretary of State for Environment, Food and Rural Affairs, how many sewage treatment works are operated by each water company in England; and how many of these have temporary storm storage tanks with sufficient capacity to prevent overloading of the treatment works.
At some sewage treatment works, where the permitted treatment capacity may be exceeded due to rainfall, storm tanks form part of the treatment process to limit spills of storm sewage (mixture of sewage and rainfall) to the water environment. These discharges are permitted by the Environment Agency under the Environmental Permitting Regulations.
The number of sewage treatment works and permitted storm tanks at sewage treatment works for each water and sewerage company in England are set out in the table below:
Name of Water Company | Number of Sewage Treatment Works1 | Number of Storm Tanks at Sewage Treatment Works2 |
Anglian | 1120 | 363 |
Northumbrian | 358 | 121 |
Severn Trent | 975 | 372 |
South West Water | 628 | 163 |
Southern | 382 | 181 |
Thames | 379 | 235 |
United Utilities | 562 | 187 |
Wessex | 397 | 189 |
Yorkshire | 594 | 177 |
Welsh Water (England) | 104 | 19 |
- Information from the Environment Agency Water Information Management System
- Information from the Event Duration Monitoring – storm overflow – annual returns published by the Environment Agency Event Duration Monitoring - Storm Overflows - Annual Returns - data.gov.uk
The requirement for storm tanks is that they must settle out solids and have a minimum capacity of 68litres/head served or a storage equivalent of 2 hours at the maximum flow rate to the storm tanks.
In the current water company investment programme for the period 2020 to 2025 there are 534 sewage treatment works where there will be upgrades to storm tanks to meet the requirements. Information on these upgrades from the published Environment Agency Water Industry National Environment Programme is summarised in the table below:
Name of Water Company | Number of Storm Tank Improvements |
Anglian | 217 |
Northumbrian | 24 |
Severn Trent | 39 |
South West Water | 74 |
Southern | Not Available |
Thames | 64 |
United Utilities | 4 |
Wessex | 31 |
Yorkshire | 69 |
Welsh Water (England) | 12 |
To ask the Secretary of State for Environment, Food and Rural Affairs, what the capacity is of temporary storm storage tanks at each sewage treatment works in England.
To ask the Secretary of State for Environment, Food and Rural Affairs, what the capacity is of temporary storm storage tanks at each sewage treatment works in England.
At some sewage treatment works, where the permitted treatment capacity may be exceeded due to rainfall, storm tanks form part of the treatment process to limit spills of storm sewage (mixture of sewage and rainfall) to the water environment. These discharges are permitted by the Environment Agency under the Environmental Permitting Regulations.
The requirement for storm tanks is that they must settle out solids and have a minimum capacity of 68litres/head served or a storage equivalent of 2 hours at the maximum flow rate to the storm tanks.
There are over 2,000 storm tanks at sewage treatment works. The required capacity of the storm tank is included within the permit, along with other requirements such as monitoring and reporting.
To ask the Secretary of State for Defence, what estimate his Department has made of the potential cost to the public purse of storing US nuclear weapons at USAF Lakenheath; and from which budget heading that funding would be drawn.
To ask the Secretary of State for Defence, what estimate his Department has made of the potential cost to the public purse of storing US nuclear weapons at USAF Lakenheath; and from which budget heading that funding would be drawn.
The Ministry of Defence is unable to comment on US spending decisions and capabilities, which are a matter for the US Government. It remains longstanding UK and NATO policy to neither confirm nor deny the presence of nuclear weapons at a given location.
To ask the Secretary of State for Defence, who will make the final decision on storage of US Nuclear Weapons at USAF Lakenheath.
To ask the Secretary of State for Defence, who will make the final decision on storage of US Nuclear Weapons at USAF Lakenheath.
The Ministry of Defence is unable to comment on US spending decisions and capabilities, which are a matter for the US Government. It remains longstanding UK and NATO policy to neither confirm nor deny the presence of nuclear weapons at a given location.
To ask the Secretary of State for Defence, what discussions he his Department has had with (a) Local Accident and Emergency Departments (b) Police, Fire and Ambulance Services and (c) the police regarding the planned storage of US nuclear weapons at USAF Lakenheath in Suffolk.
To ask the Secretary of State for Defence, what discussions he his Department has had with (a) Local Accident and Emergency Departments (b) Police, Fire and Ambulance Services and (c) the police regarding the planned storage of US nuclear weapons at USAF Lakenheath in Suffolk.
The Ministry of Defence is unable to comment on US spending decisions and capabilities, which are a matter for the US Government. It remains longstanding UK and NATO policy to neither confirm nor deny the presence of nuclear weapons at a given location.
To ask the Secretary of State for Defence, what discussions his Department has had with Emergency Contingency Planning Departments or Emergency Planning Officers regarding the planned storage of US nuclear weapons at USAF Lakenheath in Suffolk.
To ask the Secretary of State for Defence, what discussions his Department has had with Emergency Contingency Planning Departments or Emergency Planning Officers regarding the planned storage of US nuclear weapons at USAF Lakenheath in Suffolk.
The Ministry of Defence is unable to comment on US spending decisions and capabilities, which are a matter for the US Government. It remains longstanding UK and NATO policy to neither confirm nor deny the presence of nuclear weapons at a given location.
To ask the Secretary of State for Defence, what discussions he has had with (a) ministers and (b) hon Members regarding the planned storage of US nuclear weapons at USAF Lakenheath in Suffolk.
To ask the Secretary of State for Defence, what discussions he has had with (a) ministers and (b) hon Members regarding the planned storage of US nuclear weapons at USAF Lakenheath in Suffolk.
The Ministry of Defence is unable to comment on US spending decisions and capabilities, which are a matter for the US Government. It remains longstanding UK and NATO policy to neither confirm nor deny the presence of nuclear weapons at a given location.
To ask the Secretary of State for Defence, whether there are plans for US nuclear weapons to be stored at RAF Lakenheath.
To ask the Secretary of State for Defence, whether there are plans for US nuclear weapons to be stored at RAF Lakenheath.
The Ministry of Defence is unable to comment on US spending decisions and capabilities, which are a matter for the US Government. It remains longstanding UK and NATO policy to neither confirm nor deny the presence of nuclear weapons at a given location.