BS EN 805:2025 - Water Supply: Requirements for Systems and Components Outside Buildings

Introducing the BS EN 805:2025, the definitive standard for water supply systems and components located outside buildings. This comprehensive document is essential for professionals in the water supply industry, providing detailed requirements and guidelines to ensure the highest quality and efficiency in water distribution systems.

Overview

The BS EN 805:2025 standard is a crucial resource for engineers, architects, and construction professionals involved in the design, installation, and maintenance of water supply systems. Released on April 28, 2025, this standard encompasses a wide range of specifications and best practices to ensure that water supply systems are safe, reliable, and efficient.

Key Features

• Comprehensive Coverage: With 92 pages of detailed information, this standard covers all aspects of water supply systems outside buildings, from design and materials to installation and maintenance.
• Up-to-Date Information: As a 2025 release, this standard reflects the latest advancements and innovations in water supply technology, ensuring that your systems are built to modern standards.
• International Recognition: The BS EN 805:2025 is recognized globally, making it an essential document for projects that require compliance with international standards.

Why Choose BS EN 805:2025?

Choosing the BS EN 805:2025 standard ensures that your water supply systems are designed and implemented according to the highest industry standards. This not only guarantees the safety and reliability of the systems but also enhances their efficiency and longevity. By adhering to this standard, you can minimize the risk of system failures and ensure a consistent and safe water supply.

Technical Specifications

• Standard Number: BS EN 805:2025
• ISBN: 978 0 539 16827 3
• Status: Standard

Who Should Use This Standard?

The BS EN 805:2025 is designed for a wide range of professionals, including:

• Engineers: Ensure that your designs meet the latest standards for safety and efficiency.
• Architects: Integrate compliant water supply systems into your building designs.
• Construction Managers: Oversee the installation of water supply systems that adhere to international standards.
• Regulatory Authorities: Use this standard as a benchmark for evaluating water supply systems.

Benefits of Compliance

Compliance with the BS EN 805:2025 standard offers numerous benefits, including:

• Enhanced Safety: Reduce the risk of water contamination and system failures.
• Improved Efficiency: Optimize water distribution and reduce waste.
• Cost Savings: Minimize maintenance costs and extend the lifespan of your systems.
• Environmental Responsibility: Implement sustainable practices in water supply management.

Conclusion

The BS EN 805:2025 is an indispensable resource for anyone involved in the planning, design, and implementation of water supply systems outside buildings. By adhering to this standard, you ensure that your projects meet the highest levels of safety, efficiency, and sustainability. Invest in the future of your water supply systems with the BS EN 805:2025 standard.

BS EN 805:2025

This standard BS EN 805:2025 Water supply. Requirements for systems and components outside buildings is classified in these ICS categories:

• 13.060.01 Water quality in general
• 91.140.60 Water supply systems
• 23.040.01 Pipeline components and pipelines in general
• 93.025 External water conveyance systems

This document specifies: - general requirements for water supply systems outside buildings including potable water mains and service pipes, service reservoirs, other facilities and raw water mains but excluding treatment works and water resources development; - general requirements for components; - general requirements for inclusion in product standards which can include specifications which are more stringent; - general requirements for installation, site testing and commissioning. The requirements of this document apply to: - the design and construction of new water supply systems; - the extension of significant areas forming a coherent part of an existing water supply system; - interconnections between water supply systems; - significant modification and/or rehabilitation of existing water supply systems. NOTE It is not intended that existing water supply systems are altered to comply with this document, provided that there are no significant detrimental effects on water quantity, security, reliability and adequacy of the supply. However, this document is intended to cover all water infrastructure systems mentioned above since they are key to meet the sustainable goals of the cities and to show the urgent need to invest in them in order to consider fundamental aspects, such as resilience or mitigation/adaptation to climate change.