Overview
ISO 20380:2017 specifies minimum operational, performance and safety requirements and test methods for computer vision systems used to detect drowning accidents in public swimming pools. The standard covers system design, installation planning, performance metrics, alarm handling, data management, testing and regular verification. It does not apply to domestic pools or pool basins with a surface area less than 150 m².
Keywords: ISO 20380, computer vision systems, drowning detection, public swimming pools, safety requirements, test methods
Key topics and technical requirements
- Scope and definitions: clear terms such as detection (stationary solid mass on pool bottom), alarm, trained staff and competent person.
- System role: designed to complement (not replace) lifeguard surveillance; cannot automatically justify reducing staffing without a robust risk assessment.
- Technical study before installation: suppliers must perform a site-specific study detailing camera/CU placement, areas covered, minimum lighting (lux) above and below water, and expected alarm set off time. A technical drawing must show coverage and non-coverage zones.
- Performance requirements: includes alarm set off time, areas covered, detection performance and false alarm rates (measured and constrained by the standard).
- Environmental and hardware requirements: equipment must suit humid/chemical environments; enclosures in ≥60% hygrometry environments should be at least IP65, submerged components IP68 (see IEC 60529).
- Data communication & management: requirements for alarm data and operational logging to support response and maintenance.
- Test methods: defined procedures for detection tests and non‑detection tests, measurement protocols and required test reporting.
- Regular testing and maintenance: daily and half-yearly checks, trained staff manuals and maintenance regimes to ensure ongoing reliability.
Practical applications - who uses ISO 20380
- Pool operators and facility managers implementing or procuring drowning-detection systems for public pools.
- System manufacturers and integrators designing, installing and commissioning computer vision surveillance for pools.
- Safety officers and lifeguard supervisors defining operational procedures and training for trained staff.
- Test laboratories and certification bodies performing detection/non-detection tests and producing test reports.
- Architects and consultants integrating detection systems during pool design or retrofit planning.
Benefits and implementation tips
- Use ISO 20380 to define procurement specifications, acceptance testing and maintenance schedules for pool surveillance systems.
- Conduct the required technical study early-preferably at design stage-to optimize camera placement and coverage.
- Integrate the system into operational protocols so alarms reach trained staff with clear response procedures; reinforce that human rescue action is always required.
Related standards and references
- IEC 60529 (degrees of protection - IP codes) referenced for enclosure ratings (IP65/IP68).
- WHO definition of drowning is used for terminology within the standard.
ISO 20380 provides a practical, testable framework to improve drowning detection in public pools using computer vision-supporting faster lifeguard response while defining limits, verification and ongoing reliability measures.