Skip to main content
Search

Anglian Water Services Limited – AMP8 Ulceby Works GAC

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

Reference: ANH-2023-00018

Version Number: 1

Water undertaker as appointed under section 6 of the Water Industry Act 1991 (as amended): Anglian Water Services Limited, with registered number 02366656 (hereinafter called ‘the Company’).

Assets Affected:

Asset Name

Reference

Ulceby Source

CULC0WV

Ulceby Source Borehole 1

AULC1CV

Ulceby Source Bore 2

AULC2CV

Ulceby Source Bore 3

AULC3CV

Elsham Reservoir

TELS2

Winterton PWSZ

ZLN27

Harpswell PWSZ

ZLN45

Brigg PWSZ

ZLN65

Kirton In Lindsay PWSZ

ZLN76

Grimsby Skegness Supply System

YGRI

Barrow Supply System

YBAR

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 1 February 2023, which states that there is or has been a significant risk of supplying water from Ulceby Boresite (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

Inadequate treatment process to remove per and polyfluoroalkyle substances (PFAS)

PFAS

ANH-TELS2-H067-TR3605

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. Regularly review and update groundwater risk assessments.
    Date: Ongoing for the duration of this Notice.
  2. Continue to blend the higher PFAS Ulceby source with the lower PFAS sources at Elsham works, until the completion of the additional control measures.
    Date: Ongoing for the duration of this Notice.
  3. Operational and regulatory monitoring for PFAS at the raw water at the Ulceby source, Elsham source and Elsham final water.
    Date: Ongoing for the duration of this Notice.
  4. Investigate tier 2 sample results on the final water in line with company procedures.
    Date: Ongoing for the duration of this Notice.
  5. Review the PFAS risks from the catchment investigations and continue to understand catchment management opportunities and control measures.
    Date: Ongoing for the duration of this Notice.
  6. Take all reasonable steps to ensure that the PFAS levels do not exceed tier 3 on the final water and any steps necessary must be taken to protect public health. If the concentration in any water sample exceeds the tier 3, in water supplied to consumers, reasonable measures will be taken to protect public health in consultation with local health professionals.
    Date: Ongoing for the duration of this Notice.
  7. Report any tier 2 PFAS triggers on the Elsham final water to the Inspectorate, UKHSA and Local Authorities as per the reporting requirements.
    Date: Ongoing for the duration of this Notice.
  8. Continually appraise the risk of PFAS as a hazard as part of the Regulation 27 Risk Assessment for the supply systems supplied by Ulceby source, Elsham source and Elsham WTW, according to a Drinking Water Safety Plan approach, and ensure that Regulation 28 documents are regularly reviewed and updates provided as necessary.
    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. Installation of the chosen GAC treatment solution at the Ulceby boresite:
  • Complete the planning, design, and procurement arrangements, to provide a GAC treatment solution at the Ulceby boresite.
    Date: 29 February 2028.
  • Complete the construction, installation and commissioning of the GAC treatment solution at the Ulceby boresite.
    Date: 31 December 2029.

(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: 31 May 2024.
  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 the Ulceby boresite and associated assets, 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. A report to confirm the completion of the planning, design and procurement arrangements, as specified in measure b(1).
    Date: 31 March 2028.
  3. A report to confirm the completion of construction, installation, and commissioning of the GAC treatment solution at Ulceby boresite, as specified in measure b(1).
    Date: 31 January 2030.
  4. Submit the audit strategy for auditing the effectiveness of the measures, as specified in measure (c)1.
    Date: 30 June 2024.
  5. Submit any revisions of the audit strategy produced under measure (c)2.
    Date: Within 1 month of a revision
  6. 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
  7. Submit a satisfactory completion report accompanied by a revised regulation 28(1) report with Board level Director sign-off.
    Date: 31 January 2031.

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).

Signed

Nicholas Adjei
Deputy Chief Inspector, on behalf of the Secretary of State for Environment, Food and Rural Affairs
11 March 2024.
Reference: ANH-2023-00018

Back to top
Print page