Leep Networks (Water) Limited: All Assets Risk Assessment Review and Methodology Update
Notice under regulation 27(4) of the Water Supply (Water Quality) Regulations 2016 (as amended)
Reference: LNW-2023-00001
Version Number: 2
Water undertaker as appointed under section 6 of the Water Industry Act 1991 (as amended): Leep Networks (Water) Limited, with registered number 06021063 (hereinafter called ‘the Company’).
Assets affected:
All water quality zones listed in Annex 1.
Details of this Notice:
- This Notice is served on the Company by the Drinking Water Inspectorate on behalf of the Secretary of State, under regulation 27(4) of the Water Supply (Water Quality) Regulations 2016 (as amended) for the assets listed above, for risks associated with:
- Drinking water safety plan processes, procedures, and documentation.
- Drinking water safety plan training.
- Drinking water safety plan scoring.
- All risks in Schedules 1 and 2 of the Water Supply (Water Quality) Regulations 2016 (as amended).
- All risks assessed under regulation 4 of the Water Supply (Water Quality) Regulations 2016 (as amended).
Requirements:
- The Company is required to satisfy the following:
(a) Review of a risk assessment:
- Carry out a review of all of the risk assessments submitted to the Inspectorate under regulation 28(1), for the assets listed in Annex 1. This will include;
- Stage and asset definition.
- Expansion of hazardous event and hazards lists to include;
- All regulatory parameters and those which are assessed to comply with regulation 4.
- Hazardous events and hazards associated with new mains connections and developments.
- Hazardous events associated with consumer properties and plumbing.
- Inclusion of chlorate in the drinking water safety plan.
- Inclusion of PFAS in the drinking water safety plan.
- Inclusion of Cryptosporidium spp. At all stages.
Date: 31 December 2024
- Review current DWSP methodology to identify gaps in processes including capture of all hazard and hazardous event identification, asset data, risk scoring, application of DWI categories, control and verification and documentation.
Date: 31 December 2024 - Taking the outcome of the step above, revise and update methodology and ensure all aspects of DWSP best practice are included.
- Trigger points for DWSP update and review.
- Hazard ID creation.
- Monthly and annual submission content.
- Review process for methodology and DWSP content.
- Sign off process for methodology and DWSP content.
- Submission process for methodology and DWSP content.
- Communication and data sharing with bulk suppliers.
Date: 30 April 2025
- Fully document the process and procedures associated with the risk assessment process, developing additional processes and procedures for drinking water safety plans including:
- Develop processes and procedures to ensure that water quality risk is assessed proactively as part of the drinking water safety plan approach and is not scored just on samples results.
- Determine risk scores before sites go live, so sites do not require an information gathering period in order to be scored once live.
- Develop a process for carrying forward risks, including those from bulk supply water.
- Develop a process for using DWI categories, and detail why categories are not used if they are not used. Provide specific detail for category X.
- Develop a minimum review frequency for each stage and for the methodology document.
- Risk assessment process for private water supplies which fall or may fall under regulation 8 of The Private Water Supplies (England) Regulations 2016 (as amended).
Date: 31 July 2025
- As part of the update to the risk assessment methodology, develop an internal audit and assurance process for approval, sign off and submission of the regulation 28 risk assessment reporting, the DWSP methodology and all associated processes.
Date: 30 September 2025 - Implement training and competency approach that can be used by the Company to upskill all relevant personnel, to include;
- Development of training material.
- Development of a competency requirements matrix.
- Development of a procedure, detailing how assessments of competency are undertaken, how sign off occurs and the validity.
Date: 30 September 2025
(b) Reporting:
- Submit the revised or new risk assessments (as appropriate) as outlined in section a, accompanied by a Board level Director sign-off.
Date by which requirement must be satisfied: 21 October 2025
Signed
Nicholas Adjei
Deputy Chief Inspector, on behalf of the Secretary of State for Environment, Food and Rural Affairs
30 September 2024
Reference: LNW-2023-00001 v2
Annex 1 – Assets affected:
|
Site Reference |
Site Name |
|
S0001BS1 |
WSX Bulk Supply to LNW Z0001 |
|
S0002BS1 |
DWR Bulk Supply to LNW Z0002 |
|
S0003BS1 |
TMS Bulk Supply to LNW Z0003 |
|
S0004BS1 |
TMS Bulk Supply to LNW Z0004 |
|
S0005BS1 |
TMS Bulk Supply to LNW Z0005 |
|
S0006BS1 |
SES Bulk Supply to LNW Z0006 |
|
S0007BS1 |
PRT Bulk Supply to LNW Z0007 |
|
S0008BS1 |
TMS Bulk Supply to LNW Z0008 |
|
S0009BS1 |
TMS Bulk Supply to LNW Z0009 |
|
S0010BS1 |
TMS Bulk Supply to LNW Z0010 |
|
S0011BS1 |
ESK Bulk Supply to LNW Z0011 |
|
S0012BS1 |
SVT Buk Supply to LNW Z0012 |
|
S0013BS1 |
WSX Bulk Supply to LNW Z0013 |
|
S0014BS1 |
TMS Bulk Supply to LNW Z0014 |
|
S0015BS1 |
TMS Bulk Supply to LNW Z0015 |
|
S0017BS2 |
ANG Bulk Supply to LNW Z0017 |
|
S0018BS1 |
SRN Bulk Supply to LNW Z0018 |
|
S0020BS1 |
TMS Bulk Supply to LNW Z0020 |
|
S0021BS1 |
PRT Bulk Supply to LNW Z0021 |
|
S0025BS1 |
BSL Bulk Supply to LNW Z0025 |
|
S0026BS1 |
TMS Bulk Supply to LNW Z0026 |
|
S0027BS1 |
TMS Bulk Supply to LNW Z0027 |
|
S0028BS1 |
TMS Bulk Supply to LNW Z0028 |
|
S0029BS1 |
TMS Bulk Supply to LNW Z0029 |
|
S0030BS1 |
TMS Bulk Supply to LNW Z0030 |
|
S0032BS1 |
UUT Bulk Supply 1 to LNW Z0032 |
|
S0032BS2 |
UUT Bulk Supply 2 to LNW Z0032 |
|
S0032BS2 |
UUT Bulk Supply 5 to LNW Z0032 |
|
S0032BS3 |
UUT Bulk Supply 3 to LNW Z0032 |
|
S0032BS4 |
UUT Bulk Supply 4 to LNW Z0032 |
|
S0032BS5 |
UUT Bulk Supply 5 to LNW Z0032 |
|
S0033BS1 |
SRN Bulk Supply to LNW Z0033 |
|
S0034BS1 |
UUT Bulk Supply to LNW Z0034 |
|
S0036BS1 |
UUT Bulk Supply to LNW Z0036 |
|
S0039BS1 |
SES Bulk Supply to LNW Z0039 |
|
S0040BS1 |
UUT Bulk Supply to LNW Z0040 |
|
S0041BS1 |
SVT Bulk Supply to LNW Z0041 |
|
S0042BS1 |
UUT Bulk Supply to LNW Z0042 |
|
S0043BS1 |
ANH Bulk Supply to LNW Z0043 |
|
S0044BS2 |
UUT Bulk Supply to LNW Z0044 |
|
S0045BS1 |
SVT Bulk Supply to LNW Z0045 |
|
S0046BS1 |
YKS Bulk Supply to LNW Z0046 |
|
S0047BS1 |
SRN Bulk Supply to LNW Z0047 |
|
S0050BS1 |
SVT Bulk Supply to LNW Z0050 |
|
S0053BS1 |
SVT Bulk Supply to LNW Z0053 |
|
S0057BS1 |
ANH Bulk Supply to LNW Z0057 |
|
S0060BS1 |
SST Bulk Supply to LNW Z0060 |
|
Z0001 |
Old Sarum WSZ (Salisbury) |
|
Z0002 |
Llanilid Park WSZ (nr Bridgend) |
|
Z0003 |
Hale Village WSZ (Tottenham) |
|
Z0004 |
Kennet Island WSZ (Reading) |
|
Z0005 |
Bromley Common WSZ (Bromley) |
|
Z0006 |
Park Views WSZ (Epsom) |
|
Z0007 |
Graylingwell Park WSZ (Chichester) |
|
Z0008 |
Kingsmere WSZ (Bicester) |
|
Z0009 |
Great Western Park WSZ (Didcot) |
|
Z0010 |
New South Quarter WSZ (Croydon) |
|
Z0011 |
Barking Riverside WSZ (Barking) |
|
Z0012 |
Farndon Road WSZ (Market Harborough) |
|
Z0013 |
Brewery Square WSZ (Dorchester) |
|
Z0014 |
Marine Wharf WSZ (Deptford) |
|
Z0015 |
Nine Elms WSZ (Battersea) |
|
Z0017 |
Norwich Common WSZ (Wynmondham) |
|
Z0018 |
Hills Farm Lane WSZ (Horsham) |
|
Z0020 |
Heart of East Greenwich WSZ (Greenwich) |
|
Z0021 |
Newlands WSZ (Waterlooville) |
|
Z0025 |
Emersons Green WSZ (Bristol) |
|
Z0026 |
RAM Quarter WSZ (Wandsworth) |
|
Z0027 |
Kingsbrook WSZ (Aylesbury) |
|
Z0028 |
Millharbour WSZ (Tower Hamlets) |
|
Z0029 |
Prince of Wales WSZ (Battersea) |
|
Z0030 |
White City WSZ (Hammersmith) |
|
Z0032 |
Media City WSZ (Salford) |
|
Z0033 |
Chatham Waters WSZ (Medway) |
|
Z0034 |
Manchester South & West WSZ |
|
Z0036 |
Liverpool John Lennon Airport WSZ |
|
Z0039 |
Oxted WSZ |
|
Z0040 |
Preston WSZ |
|
Z0041 |
Telford WSZ |
|
Z0042 |
Birkenhead WSZ |
|
Z0043 |
Bedford WSZ |
|
Z0044 |
Liverpool Central WSZ |
|
Z0045 |
Derby WSZ |
|
Z0046 |
Leeds WSZ |
|
Z0047 |
Winchester WSZ |
|
Z0050 |
Rugby WSZ |
|
Z0053 |
Pilsey Derbyshire WSZ |
|
Z0057 |
Wellingborough WSZ |
|
Z0060 |
Burton-on-Trent WSZ |