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South Staffordshire Water Plc – AMP8 Fradley WTW Antimony

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

Reference: SST-2023-00005

Version Number: 1

Water undertaker as appointed under section 6 of the Water Industry Act 1991 (as amended): South Staffordshire Water Plc, with registered number 02662742 (hereinafter called ‘the Company’).

Assets Affected:

Asset Name

Reference

Fradley WTW

TFRPW

Burton 2 WQZ

ZBUR1

Burton 1 WQZ

ZBUR2

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 Fradley treatment works (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

Failure of blending regime to be able to maintain antimony levels below (5ug/l)

Antimony

TFRPW037

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. Sample raw water and final water for antimony at frequency defined in the audit strategy.
    Date: Ongoing for the duration of this Notice
  2. Continue to operate existing borehole arrangement outputs to minimise the levels of antimony in the final water leaving the works
    Date: Ongoing for the duration of this Notice
  3. Regularly appraise risks and put in place enhanced monitoring or measures as appropriate, where enhancements are made the audit strategy is to be updated and submitted to DWI as per (e)6.
    Date: Ongoing for the duration of this Notice
  4. Ongoing assessment of the risk of antimony as a hazard as part of the Regulation 27 risk assessment for the supply systems supplied by Fradley treatment works according to a Drinking Water Safety Planning approach and ensure that Regulation 28 documents are regularly reviewed, and updates provided as necessary.
    Date: Ongoing for the duration of this Notice
  5. Report any regulatory exceedances of the standards for the antimony parameter to DWI as part of the current monthly exception reporting process
    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. Carry out the feasibility and design of the chosen Antimony resilience solution identified at Fradley WTW.
    Date: 31 July 2027
  2. Complete the construction and installation of the Antimony resilience solution identified at Fradley WTW.
    Date: 31 August 2029
  3. Complete the commissioning into supply of the Antimony resilience solution identified at Fradley WTW.
    Date: 31 March 2030

(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 March 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 Fradley WTW, 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. Submit a report to evidence the feasibility and design of the chosen Antimony resilience solution identified at Fradley WTW.
    Date: 31 August 2027
  3. Submit a report to evidence the construction and installation of the chosen Antimony resilience solution identified at Fradley WTW.
    Date: 30 September 2029
  4. Submit a report to evidence commissioning into supply of chosen Antimony resilience solution identified at Fradley WTW.
    Date: 30 April 2030
  5. Submit the audit strategy for auditing the effectiveness of the measures, as specified in measure (c)1.
    Date: 30 April 2024
  6. Submit any revisions of the audit strategy produced under measure (c)2.
    Date: Within 1 month of a revision
  7. 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
  8. Submit a satisfactory completion report accompanied by a revised regulation 28(1) report with Board level Director sign-off.
    Date: 30 April 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
6 February 2024
Reference: SST-2023-00005 v1

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