South West Water Improvement Programmes

South West Water Limited is the licenced company for South West Water, Isles of Scilly, Bournemouth Water and Bristol Water.


Restormel works SWT-2018-00002 v3

St Cleer works SWT-2018-00003 v3

Discolouration SWT-2018-00004 v2

Stithians WTW Taste and Odour SWT-2018-00006 v4

Littlehempston works SWT-2018-00005 v3

Maintenance and Resilience Hazard Review SWB-2020-00002 v1

Alderney Water Treatment Works Disinfection Improvements SWB-2020-00007 v1

Knapp Mill Treatment Works Disinfection Improvements SWB-2020-00008 v1

Service reservoir and tank inspection SWB-2020-00009 v7

Scientific Investigations SWB-2020-00010 v3

Alderney Works Replacement Treatment Process SWB-2021-00008 v1

Prewley works and supply system SWB-2021-00009 v1

Knapp Mill Works Replacement Treatment Process SWB-2021-00010 v1

Lanner Service Reservoir SWB-2022-00008 v1

Bristol Water (South West Water Ltd) Notices*

*On 01 February 2023, Ofwat varied the licence of South West Water Ltd to include the Bristol Water area. Consequently, Bristol Water Plc’s licence was revoked.

Clevedon Water Treatment Works BRL4092 v6

Alderley Water Treatment Works BRL-2020-00001 v4

UV Biofilm Notice BRL-2020-00004 v4

Cheddar Water Treatment Works BRL-2021-00001 v2

Discolouration: Various Supply Zones BRL-2021-00003 v4

Blackdown Service Reservoir BRL-2022-00003 v1

Isles of Scilly (South West Water Ltd) Notices**

** Water supplies on the Isles of Scilly became public supplies on 01 April 2020. South West Water Ltd has the operating licence for these supplies. These improvement programmes represent work being undertaken by South West Water Ltd to secure wholesome public water supplies on the Islands.

St Agnes Water Quality Improvements ISC-2021-00006 v5

St Martins Water Quality Improvements ISC-2021-00007 v7

St Marys Water Quality Improvements ISC-2021-00008 v7

Tresco Water Quality Improvements ISC-2021-00009 v7

Bryher Water Quality Improvements ISC-2021-00010 v5


Lead BRL-2023-00003 v1


Notice Reference: SWB-2021-00011 v1

Notice Reference: BRL-2021-00005 v1

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