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Anglian Water Services Limited – Ipswich Park Road 2 Reservoir Inspection

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

Reference: ANH-2026-00005

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:

  • Ipswich Park Road 2 Reservoir (RPKR3)
  • Ipswich Supply system (IPS)

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 20 May 2026, which states that there is or has been a significant risk of supplying water from Ipswich Park Road 2 Reservoir (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

Internal inspection overdue

E. coli

ANH-RPKR3-C002-ST0191

Internal inspection overdue

Total coliforms

ANH-RPKR3-C001-ST0120

Internal inspection overdue

Enterococci

ANH-RPKR3-C003-ST0210

Internal inspection overdue

Colony counts

ANH-RPKR3-C007-ST0494

Table 1: 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. Operate all tanks in accordance with current company policy, standards and procedures.
    Date: Ongoing for the duration of this Notice
  2. Maintain proactive external site inspections, grounds maintenance, site security and asset maintenance.
    Date: Ongoing for the duration of this Notice
  3. Maintain appropriate contingency plans and procedures (including liaison with relevant stakeholders as appropriate) to protect human health.
    Date: Ongoing for the duration of this Notice
  4. Maintain enhanced (in addition to statutory sampling) sampling. This must include, as a minimum, colony counts, E. coli and coliforms at a frequency set out in the audit strategy.
    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. Complete the planned removal of Ipswich Park Road 2 Reservoir to allow for internal inspection and the completion of any remedial works.
    Date: 3 January 2028
  2. Complete physical internal inspection, cleaning, robust ingression testing (e.g. flood/inundation) and completion of any remedial work of Ipswich Park Road 2 Reservoir.
    Date: 31 January 2028

(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 December 2026

(d) Not to supply water for regulation 4(1) purposes from Park Road 2 Reservoir, 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 milestone report confirming completion of the internal inspection and summarising findings, remedial actions and current asset status.
    Date: 29 February 2028
  3. Submit the audit strategy for auditing the effectiveness of the measures, as specified in measure (c)1. Date: 31 January 2027
  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: 2 months from inspection or 13 months if remedial work required, no later than 28 February 2029

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
3 November 2026
Reference: ANH-2026-00005

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