Pipeline Condition Assessment in Water Networks
The Importance of Pipeline Condition Assessment for Efficient Water Network Management
Pipeline condition assessment has become a strategic priority for water utilities and network operators seeking to ensure the safety, efficiency and long-term sustainability of their water infrastructure.
Large water transmission pipelines, whether metallic, concrete or composite, are designed to operate for decades. However, their deterioration is rarely uniform or fully predictable. Localised corrosion, hydraulic stresses, pressure fluctuations and geological conditions can all lead to isolated failures with potentially critical consequences for water supply.
For this reason, pipeline condition assessment is no longer limited to reactive interventions after a pipe break occurs. The water sector is increasingly moving toward predictive management models based on pipeline inspection, data analytics and advanced structural diagnostics.
In this context, technologies capable of analysing the structural condition of pipelines while they remain in service allow operators to make informed decisions regarding maintenance, renewal and asset management.
At Aganova, we develop technologies that make it possible to see inside pipelines while they remain fully operational, without interruptions or excavations. Through intelligent inspection, utilities can detect leaks, gas pockets, obstructions and early signs of structural deterioration, gaining a comprehensive understanding of the real condition of their assets.
Why is Pipeline Condition Assessment Essential?
Drinking water networks represent one of the most valuable infrastructure assets of any city. However, much of this infrastructure was built decades ago and is now facing progressive ageing.
Pipeline condition assessment enables utilities to anticipate risks and optimise the management of water systems, preventing minor issues from evolving into major structural failures.
Key reasons for implementing water pipeline condition assessment programs include:
Prevention of catastrophic failures
Regular assessment allows operators to identify structural weaknesses before they lead to major pipe failures.
Optimized infrastructure investment
Not all ageing pipelines need to be replaced. Many still have significant remaining service life that can be extended through targeted maintenance.
Reduction of non-revenue water
Hidden leaks in transmission mains can remain active for years without being detected.
Improved system resilience
Networks that are regularly assessed and monitored present lower operational risk and greater supply reliability.
Data-driven planning
Modern infrastructure management requires decisions based on technical diagnostics rather than age-based assumptions.
Ultimately, pipeline condition assessment transforms reactive maintenance into a proactive, knowledge-driven strategy.
Structural Assessment vs Leak Detection
Although closely related, pipeline condition assessment and leak detection are not the same.
Both are part of comprehensive water network diagnostics, but they address different objectives.
Structural assessment
Structural evaluation focuses on analysing the physical integrity of the pipeline, including:
- Internal or external corrosion
- Wall thickness loss
- Cracks or deformation
- Material degradation
The goal is to estimate the remaining service life of the asset and prevent structural failure.
Leak detection
Leak detection focuses on identifying active water losses within the network.
These leaks may be visible or remain hidden for long periods, contributing significantly to non-revenue water.
A complementary approach
Modern infrastructure management combines both perspectives. Detecting leaks is essential, but understanding the structural condition of pipelines enables utilities to anticipate future failures and prioritise investments more effectively.
This integrated approach significantly improves network resilience and infrastructure planning.
Benefits for Utilities and Operators
Implementing advanced pipeline condition assessment programs generates significant operational, financial and environmental benefits.
With accurate information about the actual condition of infrastructure, organisations can move from a reactive model, repairing assets only after failures occur, to a predictive and strategic asset management approach.
Maintenance optimisation
Information obtained through pipeline inspection allows utilities to prioritise interventions based on real risk levels.
Cost reduction
Avoiding unnecessary large-scale pipe replacement significantly reduces capital expenditure.
Many ageing pipelines still retain useful service life that can be preserved through targeted maintenance strategies.
Improved operational reliability
Identifying vulnerable sections of the network reduces the risk of major failures and emergency interventions.
Reduction of water losses
Early leak detection directly contributes to reducing the volume of non-revenue water within the system.
Long-term infrastructure planning
Utilities can develop renewal strategies based on actual pipeline condition data rather than assumptions.
Enhanced sustainability
Efficient network management reduces energy consumption, resource losses and the environmental footprint of water systems.
How Aganova Contributes to Pipeline Condition Assessment
Nautilus
Nautilus is one of the most advanced technologies available for in-line inspection of large-diameter pressurised pipelines.
The system uses a smart spherical device that travels through the pipeline propelled by the natural flow of water.
During its journey, Nautilus records high-sensitivity acoustic data as well as hydraulic and movement parameters. These measurements allow the system to detect:
- Hidden leaks
- Gas pockets
- Obstructions
- Hydraulic anomalies
All of this is achieved without shutting down the pipeline or performing excavations, making it an ideal solution for critical infrastructure within water transmission networks.
By travelling long distances within the pipeline, Nautilus provides a continuous view of pipeline behaviour, delivering valuable insights for water network diagnostics and maintenance planning.
Advanced data analysis with Nemo
Pipeline condition assessment does not end with data collection. The real value emerges when that data is transformed into actionable insights.
Nemo is Aganova’s digital platform designed to process inspection data and generate detailed diagnostics about pipeline condition.
Through this platform, operators can:
- Georeference detected incidents
- Analyse hydraulic profiles
- Identify anomaly patterns
- Support data-driven decision-making
By turning inspection data into operational intelligence, Nemo helps utilities integrate pipeline diagnostics into modern data-driven asset management strategies.
High-precision leak location with Jabega
In complex urban environments where networks contain multiple materials and connections, pinpointing leaks can be challenging.
Jabega combines acoustic and electromagnetic technologies to locate leaks with extremely high precision.
This system allows operators to identify the exact location of a leak, significantly reducing repair times and minimising unnecessary excavations.
Its application complements inspection and diagnostic technologies, strengthening the overall water pipeline condition assessment process.
Our approach: intelligent inspection for resilient water networks
Aganova’s strategy is built on five key pillars:
1
In-service inspection without disruptions
We explore the interior of pipelines while water continues to flow, avoiding supply interruptions and invasive interventions.
2
Advanced data diagnostics
Inspection data is processed through advanced analytics and artificial intelligence, generating risk maps that prioritise areas requiring attention
3
Risk- and condition-based strategy
Following industry best practices, we do not recommend replacing pipelines solely based on age. Instead, we assess failure probability and prioritise the most critical sections.
4
Flexible and scalable capabilities
Depending on risk level or infrastructure criticality, we deploy different technologies—from rapid health checks to advanced internal structural assessment tools.
5
Intelligent intervention planning
With reliable diagnostic data, operators can confidently decide which pipelines to intervene, when to act and which rehabilitation strategy to apply.
This approach transforms pipeline condition assessment into a strategic tool for modern and resilient water network management.
FAQ — Pipeline Condition Assessment
How often should water pipelines be assessed?
The recommended frequency depends on several factors, including infrastructure age, pipe material, soil conditions and hydraulic criticality.
For strategic transmission pipelines, many utilities implement pipeline condition assessment programs every 5 to 10 years, combined with continuous monitoring of critical sections.
What is the difference between inspection and assessment?
Pipeline inspection involves collecting technical information about the condition of infrastructure using specialised technologies.
Pipeline condition assessment, on the other hand, analyses that information to determine risk levels, structural integrity and intervention priorities.
In simple terms, inspection generates data, while assessment transforms that data into operational decisions.
What non-invasive technologies exist to assess pipelines?
In recent years, several technologies have emerged that enable pipeline condition assessment without interrupting water service, including:
- In-line acoustic inspection
- Electromagnetic sensors
- Ultrasonic inspection technologies
- Digital hydraulic monitoring systems
- Smart devices that travel inside pipelines
These solutions allow utilities to obtain accurate information about infrastructure condition without excavation or service disruption.
How does pipeline condition affect non-revenue water?
Structural deterioration in pipelines is one of the main causes of real water losses within water networks.
Small leaks can remain active for long periods without detection, contributing significantly to non-revenue water levels.
A robust pipeline condition assessment strategy enables utilities to detect leaks early and prioritise repairs, reducing both economic losses and environmental impact.