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South West Water is a key provider of water and wastewater services in Cornwall, Devon, and parts of Somerset and Dorset. The company is focused on delivering reliable, high-quality drinking water and treating wastewater to protect the environment. It serves approximately 1.8 million customers for water and 2.2 million for wastewater services across a geographically diverse region. South West Water is a subsidiary of Pennon Group PLC and is committed to significant investment in its infrastructure to improve services, environmental performance, and resilience against climate change.
The headquarters serves as the central administrative and operational hub, overseeing strategic planning, customer services, financial operations, and regulatory compliance for the entire service region.
Peninsula House is a modern office building designed to support a large workforce and facilitate efficient operations. It likely incorporates sustainable design features aligned with the company's environmental commitments.
The work culture at South West Water's headquarters is likely professional, collaborative, and focused on public service, environmental stewardship, and engineering excellence. There is a strong emphasis on health and safety, given the nature of their operations.
The headquarters is significant as it's the command center for ensuring the delivery of essential water and wastewater services to millions of people and for managing a vast network of infrastructure across the South West.
South West Water's operations are primarily focused on the South West of England (Devon, Cornwall, and parts of Somerset and Dorset). As a regional UK utility, it does not have a direct global operational presence under its own name. Its parent company, Pennon Group Plc, is UK-focused but may engage in international knowledge sharing or partnerships related to water management best practices.
Peninsula House, Rydon Lane
Exeter
Devon
United Kingdom
Address: Crownhill Water Treatment Works, Plymouth (Operational Site)
To ensure a safe, reliable, and continuous supply of drinking water to customers in the Plymouth area, and to serve as a hub for local network operations, maintenance, and incident response teams.
Address: Various operational depots and smaller offices in and around Truro (Operational Site)
To provide localized operational support, ensure rapid response to issues within Cornwall, manage local infrastructure projects, and maintain close contact with the communities served in this part of the region.
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As of April 2025, South West Water' leadership includes:
South West Water has been backed by several prominent investors over the years, including:
Key executive leadership at Pennon Group and South West Water has seen some strategic appointments and transitions to strengthen its operational and financial capabilities. Notable changes include appointments focused on operations and specific strategic areas like drought resilience.
Discover the tools South West Water uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.
South West Water commonly uses the firstname.lastname email format for its employees. Variations might exist, but this is a widely adopted structure in many UK corporations.
firstname.lastname@southwestwater.co.uk
Format
jane.doe@southwestwater.co.uk
Example
80%
Success rate
South West Water Website • February 27, 2024
South West Water hosted a WaterFit Live event outlining their plans and progress in protecting and enhancing water quality in the region. This included discussions on investments to reduce storm overflow use and improve bathing water quality....more
Insider Media Limited • November 29, 2023
Pennon Group announced a further £125m investment in South West Water for its K5 period (2020-2025), focusing on improving environmental performance and resilience, including reducing pollution incidents and leakage....more
BBC News • October 5, 2023
South West Water was fined £2.1m for illegal sewage discharges and other pollution offences across Cornwall and Devon spanning several years. The company expressed its apologies and commitment to improvements....more
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