Portsmouth Water Limited: All Catchments Risk Assessments

Notice under regulation 27(4) of the Water Supply (Water Quality) Regulations 2016 (as amended)

Reference: PRT-2020-00002

Version Number: 2

Water undertaker as appointed under section 6 of the Water Industry Act 1991 (as amended): Portsmouth Water Limited, with registered number 02536455 (hereinafter called ‘the Company’).

Assets affected:

Asset Name

Asset Reference

Corresponding Water Supply System Reference

Aldingbourne catchment

CALD

YWSP-BOG

Havant and Bedhampton Springs catchment

CHAS and CBH

YWSP-POS

Brickkiln catchment

CBKK

YWSP-CHI

Eastergate catchment

CEGT

YWSP-BOG

Fishbourne catchment

CFSH

YWSP-CHI

Funtington catchment

CFUN

YWSP-CHI

River Itchen (Gators Mill) catchment

CGAM

YWSP-HSH

Lavant catchment

CLAV

YWSP-CHI

Lovedean catchment

CLOV

YWSP-LOV

Lower Upham catchment

CLUP

YWSP-HSH

Maindell catchment

CMAI

YWSP-HSH

Northbrook catchment

CNBK

YWSP-HSH, YWSP-NBK

Newtown catchment

CNEW

YWSP-FDR

Slindon catchment

CSLN

YWSP-BOG

Soberton catchment

CSOB

YWSP-FDR, YWSP-HSH

Walderton catchment

CWAL

YWSP-WAL

Westergate catchment

CWGT

YWSP-BOG

Worlds End catchment

CWND

YWSP-WND

West Street catchment

CWST

YWSP-FDR, YWSP-HSH

Woodmancote and West Meon catchments are not included as the Company have indicated these are long term out of supply; the Company should notify the Inspectorate as soon as reasonably practicable if this changes and comply with requirements necessary under regulation 15.

Assets covered by this notice

Details of this Notice:

  1. 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 the following risks.
  • Ground truthing/site walkovers of hazards;
  • Review of land usage hazards;
  • Source-pathway risk analysis of identified catchment hazards;
  • Risk from Cryptosporidium and turbidity;
  • Risk from proximity or Source Protection Zone 1 hazards;
  • Abstraction point site inspections: risk to borehole headworks (including flooding (pluvial and fluvial), ingress, borehole integrity and air vents), including review of the suitability of control measures in place (such as site drainage and maintenance inspections); and
  • Risk from on-site stores of effluent (e.g. cess pits/septic tanks), including suitability of any control measures in place.

Requirements:

  1. The Company are required to satisfy the following:

(a) Review of a risk assessment:

  1. Carry out a review of the risk assessments for all of the Company’s catchments. The review or completion of new risk assessments (as applicable where risk assessments are found to be absent) must include the risks as outlined In section 1, that the Inspectorate has found to be deficient.
    Date by which requirement must be satisfied: 31 March 2025

(b) Reporting:

  1. Submit the revised or new risk assessment (as appropriate) as outlined in section 1 and 2, accompanied by a Board level Director sign-off.
    Date by which requirement must be satisfied: As soon as reasonably practicable upon completion. It is anticipated this would be by 30 April 2025

Signed

Nicholas Adjei

Deputy Chief Inspector, on behalf of the Secretary of State for Environment, Food and Rural Affairs

2 April 2024

Reference: PRT-2020-00002 v2

Back to top