Portsmouth Water marks major milestone at Havant Thicket Reservoir

Portsmouth Water marks major milestone at Havant Thicket Reservoir

Portsmouth Water, which supplies drinking water to customers in Chichester and parts of West Sussex, is celebrating the successful completion of a key milestone at Havant Thicket Reservoir, the first major new UK reservoir in over 30 years.

Portsmouth Water marks major milestone at Havant Thicket Reservoir with UK first engineering achievement - Water Magazine

Portsmouth Water is celebrating the successful completion of a key milestone at Havant Thicket Reservoir, the first major new UK reservoir in over 30 years. At the start of 2026, the project team worked continuously for 72 hours to complete the first stage of the Culvert Cut Off Wall, a 20 tonne steel wall designed to make sure the reservoir holds water safely and securely. The milestone marks a UK first in engineering and highlights the strong …