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”’Havant Thicket Reservoir”’ is a [[reservoir]] currently (as of July 2025<ref>https://havant-thicket-reservoir.uk.engagementhq.com/water-minister-emma-hardy-mp-visits-first-major-new-uk-reservoir-in-over-three-decades</ref>) under construction to the north of the town of [[Havant]] in [[Hampshire]], [[England]]. The reservoir is a joint initiative between two water companies, [[Portsmouth Water]] and [[Southern Water]] and, when completed (expected to be 2029),<ref>{{cite web |title=Latest News |url=https://havant-thicket-reservoir.uk.engagementhq.com/what-the-reservoir-will-look-like/widgets/44595/faqs#13367 |publisher=Portsmouth Water |access-date=13 August 2022}}</ref> will span 160 |
”’Havant Thicket Reservoir”’ is a [[reservoir]] currently (as of July 2025<ref>https://havant-thicket-reservoir.uk.engagementhq.com/water-minister-emma-hardy-mp-visits-first-major-new-uk-reservoir-in-over-three-decades</ref>) under construction to the north of the town of [[Havant]] in [[Hampshire]], [[England]]. The reservoir is a joint initiative between two water companies, [[Portsmouth Water]] and [[Southern Water]] and, when completed (expected to be 2029),<ref>{{cite web |title=Latest News |url=https://havant-thicket-reservoir.uk.engagementhq.com/what-the-reservoir-will-look-like/widgets/44595/faqs#13367 |publisher=Portsmouth Water |access-date=13 August 2022}}</ref> will span 160 with an anticipated capacity of 8.<ref>{{cite web |title=Havant Thicket Reservoir |url=https://www.havant.gov.uk/havant-thicket-reservoir |publisher=Havant Borough Council |access-date=13 August 2022}}</ref> It will supply an average of 21 million litres of water per day and allow Southern Water to reduce the volume it extracts from the rivers [[River Test|Test]] and [[River Itchen, Hampshire|Itchen]].<ref>{{cite web |title=Q&A |url=https://havant-thicket-reservoir.uk.engagementhq.com/about-havant-thicket-reservoir/widgets/44490/faqs#12511 |publisher=Portsmouth Water |access-date=13 August 2022}}</ref> |
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The site is bounded to the north by [[Forest of Bere|Havant Thicket]], an area of forestry managed by [[Forestry England]], to the east by [[Staunton Country Park]] and by the Leigh Park area of Havant to the south. It will straddle the border between the [[Borough of Havant]] and [[East Hampshire]] District. The site is underlain by [[clay]], [[silt]] and [[sand]] of the [[London Clay Formation]] and, in small part, of the [[Lambeth Group]]. The current valley floor is characterised by [[head (geology)|head]] deposits.<ref>{{cite web |title=GeoIndex Onshore |url=https://mapapps2.bgs.ac.uk/geoindex/home.html |publisher=British Geological Survey |access-date=13 August 2022}}</ref> |
The site is bounded to the north by [[Forest of Bere|Havant Thicket]], an area of forestry managed by [[Forestry England]], to the east by [[Staunton Country Park]] and by the Leigh Park area of Havant to the south. It will straddle the border between the [[Borough of Havant]] and [[East Hampshire]] District. The site is underlain by [[clay]], [[silt]] and [[sand]] of the [[London Clay Formation]] and, in small part, of the [[Lambeth Group]]. The current valley floor is characterised by [[head (geology)|head]] deposits.<ref>{{cite web |title=GeoIndex Onshore |url=https://mapapps2.bgs.ac.uk/geoindex/home.html |publisher=British Geological Survey |access-date=13 August 2022}}</ref> |
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Revision as of 12:51, 5 February 2026
Havant Thicket Reservoir is a reservoir currently (as of July 2025[1]) under construction to the north of the town of Havant in Hampshire, England. The reservoir is a joint initiative between two water companies, Portsmouth Water and Southern Water and, when completed (expected to be 2029),[2] will span 160 hectares (400 acres) with an anticipated capacity of 8,700,000,000 litres (1.9×109 imp gal; 2.3×109 US gal).[3] It will supply an average of 21 million litres of water per day and allow Southern Water to reduce the volume it extracts from the rivers Test and Itchen.[4]
The site is bounded to the north by Havant Thicket, an area of forestry managed by Forestry England, to the east by Staunton Country Park and by the Leigh Park area of Havant to the south. It will straddle the border between the Borough of Havant and East Hampshire District. The site is underlain by clay, silt and sand of the London Clay Formation and, in small part, of the Lambeth Group. The current valley floor is characterised by head deposits.[5]
