BS EN 1717:2025+A1:2026

This standard BS EN 1717:2025+A1:2026 Protection against pollution of water intended for human consumption in potable water installations and general requirements for devices to prevent pollution by backflow is classified in these ICS categories:

• 13.060.20 Drinking water
• 91.140.60 Water supply systems
• 23.060.01 Valves in general

BS EN 1717:2025+A1:2026

Protection against Pollution of Water Intended for Human Consumption in Potable Water Installations

Ensure the safety and purity of your water supply with the BS EN 1717:2025+A1:2026 standard. This comprehensive document provides essential guidelines and requirements to protect potable water installations from pollution, ensuring that water intended for human consumption remains uncontaminated and safe.

Key Features:

• Standard Number: BS EN 1717:2025+A1:2026
• Pages: 70
• Release Date: July 15, 2026
• ISBN: 978 0 539 43001 1
• Status: Standard

Comprehensive Protection Against Water Pollution

The BS EN 1717:2025+A1:2026 standard is an essential resource for anyone involved in the design, installation, and maintenance of potable water systems. It provides detailed requirements and guidelines to prevent backflow, a common cause of water pollution. By adhering to this standard, you can ensure that your water systems are protected against contamination, safeguarding public health and complying with regulatory requirements.

Why is Backflow Prevention Important?

Backflow occurs when the normal flow of water is reversed, potentially allowing contaminants to enter the potable water supply. This can happen due to changes in pressure within the water system, such as during a drop in supply pressure or an increase in downstream pressure. The consequences of backflow can be severe, leading to the introduction of harmful substances into the water supply, posing significant health risks.

The BS EN 1717:2025+A1:2026 standard outlines the necessary measures to prevent backflow, including the use of appropriate devices and installation practices. By implementing these measures, you can protect your water supply from contamination and ensure that it remains safe for human consumption.

General Requirements for Devices

This standard also provides general requirements for devices designed to prevent pollution by backflow. It covers a range of devices, including air gaps, check valves, and backflow preventers, ensuring that they meet the necessary performance and safety criteria. By following these guidelines, you can select and install the appropriate devices for your water system, providing an additional layer of protection against contamination.

Who Should Use This Standard?

The BS EN 1717:2025+A1:2026 standard is an invaluable resource for a wide range of professionals, including:

• Plumbers and plumbing contractors
• Water system designers and engineers
• Facility managers and maintenance personnel
• Regulatory authorities and inspectors

By incorporating the guidelines and requirements outlined in this standard, these professionals can ensure that potable water systems are designed, installed, and maintained to the highest standards of safety and quality.

Stay Compliant and Protect Public Health

Compliance with the BS EN 1717:2025+A1:2026 standard is not only a regulatory requirement but also a critical step in protecting public health. By preventing backflow and ensuring the purity of potable water, you can contribute to a safer and healthier environment for everyone.

Invest in the safety and reliability of your water systems by adhering to the BS EN 1717:2025+A1:2026 standard. With its comprehensive guidelines and requirements, you can be confident that your water supply is protected against pollution and safe for human consumption.