IP16 4UR, NNB Generation Company (SZC) Ltd: environmental permit application advertisement
Published 6 July 2020
Applies to England
© Crown copyright 2020
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Details of the application
The Environment Agency has received a new bespoke application for an environmental permit under the Environmental Permitting (England and Wales) Regulations 2016 from NNB Generation Company (SZC) Ltd.
Application number
EPR/CB3997AD/A001
Regulated facility type
Water Discharge Activities
Regulated facility address
Sizewell C Power Station
Sizewell
Suffolk
IP16 4UR
National grid reference (NGR) discharge points
• Two cooling water (CW) discharge points at 1. TM 51080 64125 and 2. TM 51155 64125 for the discharge of the combined waste streams A to G
• Two fish recover and return (FRR) discharge points at 1. TM 47980 64000 and 2. TM 47980 64254 for the discharge of waste stream H
Receiving environment
Greater Sizewell Bay
Effluent types
• Waste stream A: Trade effluent composed of returned abstracted cooling water
• Waste stream B: Trade effluent from operations within the nuclear island waste monitoring and discharge system
• Waste stream C: Trade effluent from the steam generator blowdown system
• Waste stream D: Trade effluent from the turbine hall and uncontrolled area floor drains (excluding blowdown from the steam generator blowdown system)
• Waste stream E: Trade effluent from the site drainage system (including drainage from road and roof surfaces, uncontaminated water from oily water network and atmospheric condensate from chillers).
• Waste stream F: Trade effluent from the production of demineralised water
• Waste stream G: Treated domestic sewage effluent from the site’s administration and mess facilities.
• Waste stream H: Trade effluent composed of returned abstracted water from the fish recovery and return (FRR) system.
Volumes
• Waste stream A: Maximum of 11,404,800 cubic metres per day
• Waste stream B and C: Maximum of 1,500 cubic metres per day
• Waste stream D: Maximum of 1,500 cubic metres per day
• Waste stream E: Maximum of 35,000 cubic metres per day
• Waste stream F: Maximum of 4,000 cubic metres per day
• Waste stream G: Maximum of 190 cubic metres per day
• Waste stream H: Maximum of 25,920 cubic metres per day via FRR discharge point 1 and maximum of 25,920 cubic metres per day via FRR discharge point 2
How to view and comment on the application
If you have any comments on the application send these by 2 October 2020.
We are following Government advice to manage the risks of Coronavirus to our organisation, to protect the health, safety and wellbeing of our staff and sustain our critical operations. As a result, please contact us;
Online: view and comment on the application using Citizen Space
Via email: pscwaterquality@environment-agency.gov.uk
The Environment Agency will normally put any comments it receives on the public register. This includes your name but not your personal contact details. Please tell us if you do not want your response to be public.