CASE HUB ARCHIVED–this archived case hub reflects the position at the date of the decision of 5 November 2011; it is no longer maintained. See further, timeline, commentary and related cases. Case facts Outline UK merger investigation into the completed acquisition of Sembcorp Bournemouth Water Investments Limited by Pennon Group. Under its duty to refer all mergers involving water companies for phase 2 investigations if the parties have a UK turnover of more than £10m, the CMA carried out a phase 2 investigation . Latest developments On 5 November 2015, the CMA unconditionally cleared the transaction, confirming its provisional findings. Parties Pennon Group is a water utility and waste company which is based in the UK. It is one of the largest environmental and resource management companies in the UK, holding assets worth around £5bn. One of its subsidiaries is South West Water, one of the UK's ten water and sewerage companies, providing water and sewerage services throughout Cornwall and Devon and in small areas of Dorset and Somerset. in the year to 31 March