Notice of regulation: Southern Water – All Catchments

THE WATER SUPPLY (WATER QUALITY) REGULATIONS 2016

Regulation 27(2) of the Water Supply (Water Quality) Regulations 2016 (the “Regulations”) requires every water undertaker or combined licensee to carry out a risk assessment of each of its treatment works and connected supply system in order to establish whether there is a significant risk of supplying water from those works or supply system that would constitute a potential danger to human health. Regulation 27(3) requires every water undertaker or combined licensee to keep its risk assessments under review.
Annual risk assessment reports for all sites were received from Southern Water on 21 October 2016. The Drinking Water Inspectorate (the Inspectorate) on behalf of Secretary of State for the Environment, Food and Rural Affairs hereby gives Notice under Regulation 27(4) of the Regulations, to Southern Water to carry out a review of the risk assessments for all catchments by 30 June 2020. This must include a review of the risk assessment process and of the methodology used, as described in the cover letter to this notice.
As soon as reasonably practicable after carrying out the above mentioned risk assessment or review of a risk assessment (as applicable), Southern Water shall submit to the Inspectorate on behalf of the Secretary of State, reports of the risk assessments or of the review of risk assessments (as applicable) in accordance with Regulation 28.

Signed by authority of the Secretary of State.
Milo Purcell
Deputy Chief Inspector
13 January 2020