Current Radioactivity Notices by Company

Radioactivity notices are issued to companies where sufficient risk assessment and sample analysis demonstrates a low risk. This is allowed under regulation 6(12) of the Water Supply (Water Quality) Regulations 2016 (as amended) and 6(14) of the Water Supply (Water Quality) Regulations (Wales) 2018.

If you require an accessible version of any of the below radioactivity notices, please contact DWI.Enforcement@defra.gov.uk

Affinity Water

Reference

Parameter(s)

Expiry Date

RAW_AFW_005 (V2)

Radon, Indicative Dose, Tritium

31/12/2021

Albion Eco Ltd.

Reference

Parameter(s)

Expiry Date

ALE3711

Radon, Indicative Dose, Tritium (where specified)

31/12/2021

Albion Water Ltd.

Reference

Parameter(s)

Expiry Date

RAW.ALB.019

Radon, Indicative Dose, Tritium (where specified)

31/12/2021

ALB-2019-00001

Radon, Indicative Dose, Tritium (where specified)

28/01/2024

Anglian Water

Reference

Parameter(s)

Expiry Date

RAW.ANG.013

Radon, Indicative Dose, Tritium

31/12/2021

RAW.HPL.033

Radon, Indicative Dose, Tritium

31/12/2021

Bristol Water

Reference

Parameter(s)

Expiry Date

RAW.BRL.016

Radon, Indicative Dose, Tritium

31/12/2021

Cambridge Water

Reference

Parameter(s)

Expiry Date

CAM-2021-00001

Radon; Indicative Dose; Tritium (where specified)

28/02/2026

Dŵr Cymru Welsh Water

Reference

Parameter(s)

Expiry Date

RAW.DWR.037

Radon, Indicative Dose, Tritium (where specified)

04/05/2022

Hafren Dyfrdwy

Reference

Parameter(s)

Expiry Date

HDC-2019-00001

Radon, Indicative Dose, Tritium (where specified)

30/09/2023

Icosa Water

Reference

Parameter(s)

Expiry Date

ICW-2020-00001

Radon, Indicative Dose, Tritium (where specified)

31/12/2024

ICW-2021-00002

Radon, Indicative Dose, Tritium (where specified)

06/07/2026

ICW-2019-00001

Radon, Indicative Dose, Tritium (where specified)

14/04/2024

RAW.ICW.041

Radon, Indicative Dose, Tritium (where specified)

31/12/2021

ICW-2021-00003

Radon, Indicative Dose, Tritium (where specified)

09/08/2026

Independent Water Networks Ltd

Reference

Parameter(s)

Expiry Date

IWN-2020-00004

Radon, Indicative Dose, Tritium (where specified)

04/02/2026

RAW.IWN.024

Radon, Indicative Dose, Tritium (where specified)

31/12/2021

Leep Networks Water

Reference

Parameter(s)

Expiry Date

SSE-2019-00001

Radon, Indicative Dose, Tritium (where specified)

26/09/2024

RAW.SSE.034

Radon, Indicative Dose, Tritium (where specified)

31/12/2021

SSE-2018-00001

Radon, Indicative Dose, Tritium (where specified)

30/09/2023

Northumbrian, Essex and Suffolk Water

Reference

Parameter(s)

Expiry Date

RAW.NNE.012

Radon, Indicative Dose, Tritium (where required) 

31/12/2021

NNE-2018-00004

Radon, Indicative Dose, Tritium (where specified)

10/12/2023

ESK-2018-00002

Radon, Indicative Dose, Tritium (where specified)

10/12/2023

ESK3715

Radon, Indicative Dose, Tritium (where specified)

01/03/2022

Portsmouth Water

Reference

Parameter(s)

Expiry Date

RAW.PRT.004

Radon, Indicative Dose, Tritium

31/12/2021

SES Water

Reference

Parameter(s)

Expiry Date

RAW.SES.011

Radon, Indicative Dose, Tritium (where specified)

31/12/2021

Severn Trent Water

Reference

Parameter(s)

Expiry Date

SVT-2019-00004 (V2)

Radon, Indicative Dose (Gross Alpha and Gross Beta), Tritium

30/09/2023

South East Water

Reference

Parameter(s)

Expiry Date

RAW.SEW.009 (V2)

Radon, Indicative Dose (Gross Alpha and Gross Beta), Tritium

31/12/2021

South Staffordshire Water

Reference

Parameter(s)

Expiry Date

RAW.SST.029

Radon, Indicative Dose, Tritium (where specified)

31/12/2021

South West and Bournemouth Water

Reference

Parameter(s)

Expiry Date

SWT3720

Radon, Indicative Dose, Tritium (where specified)

31/12/2021

SBW3931

Radon, Indicative Dose, Tritium (where specified)

31/12/2021

Southern Water

Reference

Parameter(s)

Expiry Date

RAW.SRN.018

Radon, Indicative Dose, Tritium (where specified)

31/12/2021

Thames Water

Reference

Parameter(s)

Expiry Date

RAW.TMS.030

Radon, Indicative Dose, Tritium (where specified)

31/12/2021

United Utilities Water

Reference

Parameter(s)

Expiry Date

RAW.UUT.025

Radon, Indicative Dose, Tritium (where specified)

31/12/2022

Wessex Water

Reference

Parameter(s)

Expiry Date

WSX3903 (V2)

Radon, Indicative Dose, Tritium (where specified)

31/12/2021

Yorkshire Water

Reference

Parameter(s)

Expiry Date

RAW.YKS.022 (V2)

Radon, Indicative Dose, Tritium (where specified)

31/12/2021

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