Yorkshire Water Services Limited – Thorne and Hatfield Lead

Notice under regulation 28(4) of the Water Supply (Water Quality) Regulations 2016 (as amended)

Reference: YKS-2022-00007

Version Number: 1

Water undertaker as appointed under section 6 of the Water Industry Act 1991 (as amended): Yorkshire Water Services Limited, with registered number 02366682 (hereinafter called ‘the Company’).

Assets Affected:

Asset Name

Reference

Thorne and Hatfield WSZ

Z3807819

Table 1: List of assets affected and associated reference numbers

Details of this Notice:

  1. The Drinking Water Inspectorate (‘the Inspectorate’) has received a regulation 28(1) report of the Water Supply (Water Quality) Regulations 2016 (as amended) (‘the Regulations’) from the Company dated 13 October 2022, which states that there is or has been a significant risk of supplying water from Thorne and Hatfield (and associated assets as applicable) that could constitute a potential danger to human health or could be unwholesome.
  2. Consequently, this Notice is served on the Company by the Inspectorate on behalf of the Secretary of State, under regulation 28(4) for the assets listed above, for risks associated with:

Description of Risk

Hazard/ Hazardous Event/ Parameter

Hazard I D

Contamination due to lead pipework

Lead

42500

Contamination due to lead pipework

Lead

43793

Table 2: Table of the hazards, hazardous events, and/or parameters covered by this Notice, including the Hazard I D numbers and the description of risks.
  1. The Company are required to satisfy the following requirements.

The date given is that until or by which the requirements must be maintained or satisfied, as appropriate.

Requirements:

(a) To maintain the following measures for the period specified in each case:

  1. Ongoing liaison with the Local Authority and United Kingdom Health Security Agency (UKHSA) to agree actions to protect public health.
    Date: Ongoing for the duration of this Notice
  2. Keep in place appropriate reviews of health advice requirements to all affected consumers in order to protect public health.
    Date: Ongoing for the duration of this Notice
  3. Provide alternative supplies to consumers where necessary to protect public health.
    Date: Ongoing for the duration of this Notice
  4. Continue regulatory monitoring programme to monitor lead concentrations in the water quality zone.
    Date: Ongoing for the duration of this Notice
  5. Enhanced weekly monitoring of lead concentrations in the zone to supplement regulatory sampling programme and investigate the concentrations of lead within the company owned galvanised main.
    Date: Ongoing for the duration of this Notice
  6. Carry out investigations of customer supply pipes and company-owned communication pipes, to determine the construction material when lead levels exceed the PCV.
    Date: Ongoing for the duration of this Notice

(b) To review, revise or make operational the following measures, by the dates specified in each case:

  1. Replace the Company owned 1.4km galvanised steel main within Keadby (D583) DMA and transfer all properties impacted onto the new main.
    Date: 31 March 2023

(c) To audit whether the measures have been effective by the following means:

  1. Define an audit strategy to monitor the effectiveness of the measures specified in sections (a) and (b).
    Date: 15 January 2022
  2. Implement, and keep under continuous review, the audit strategy defined in measure (c)1.
    Date: Following completion of measure (c)1. onwards.

(d) Not to supply water for regulation 4(1) purposes from Thorne and Hatfield WSZ, or not to so supply unless the specified conditions below are satisfied:

  1. Not applicable

(e) To provide the following information in the time and manner specified below to enable monitoring of progress towards the mitigation of the risks:

  1. Provide a progress report annually.
    Date: by 31 January each year.
  2. Provide a report on the completion of (b) 1.
    Date: 30 April 2023
  3. Submit the audit strategy for auditing the effectiveness of the measures, as specified in measure (c)1.
    Date: 28 February 2023
  4. Submit any revisions of the audit strategy produced under measure (c)2.
    Date: Within 1 month of a revision
  5. Submit a report in the event that any completed measures of this Notice need to be altered in any way, for any reason.
    Date: Ongoing for the duration of this Notice
  6. Submit a satisfactory completion report accompanied by a revised regulation 28(1) report with Board level Director sign-off.
    Date: 30 April 2024

Further Details of this Notice:

  1. Any product or substance used as a result of the requirements in this Notice must comply with regulation 31.
  2. Under regulation 28(6) the Inspectorate, on behalf of the Secretary of State, may by notice served on the Company, revoke or vary this Notice.
  3. Failure by the Company to comply with this Notice may result in enforcement proceedings under section 18 of the Water Industry Act 1991 (as amended).

Nicholas Adjei
Deputy Chief Inspector, on behalf of the Secretary of State for Environment, Food and Rural Affairs
19 December 2022
Reference: YKS-2022-00007

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