Percentage of Non-Revenue Water
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Percentage of Non-Revenue Water

What is Percentage of Non-Revenue Water?
The proportion of water produced that is not billed to customers, due to leaks, theft, or metering inaccuracies, indicating potential areas for operational improvement.

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Percentage of Non-Revenue Water (NRW) is a critical KPI that measures the efficiency of water utilities in managing their resources.

High NRW levels can lead to significant financial losses, impacting operational efficiency and overall financial health.

By tracking this metric, organizations can identify leakage points, optimize resource allocation, and enhance customer satisfaction.

Reducing NRW not only improves cash flow but also aligns with sustainability goals, making it a key figure in strategic planning.

Effective management of NRW can directly influence ROI metrics and long-term business outcomes.

Percentage of Non-Revenue Water Interpretation

High NRW percentages indicate substantial water loss, often due to leaks or inefficient systems. Conversely, low NRW values reflect strong operational controls and effective maintenance practices. Ideal targets typically fall below 15% for most utilities.

  • <10% – Exemplary performance; minimal losses
  • 10–15% – Acceptable range; consider improvement initiatives
  • >15% – Urgent attention required; investigate causes

Percentage of Non-Revenue Water Benchmarks

We have 6 relevant benchmark(s) in our benchmarks database.

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Value Unit Type Company Size Time Period Population Industry Geography Sample Size
Subscribers only percent threshold water utilities developing countries

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Source: Subscribers only

Source Excerpt: Subscribers only

Additional Comments: Subscribers only

Value Unit Type Company Size Time Period Population Industry Geography Sample Size
Subscribers only percent average water utilities developing countries 900 utilities

Benchmark data is only available to KPI Depot subscribers. The full benchmark database contains 22,567 benchmarks.

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Source: Subscribers only

Source Excerpt: Subscribers only

Additional Comments: Subscribers only

Value Unit Type Company Size Time Period Population Industry Geography Sample Size
Subscribers only percent average water utilities global

Benchmark data is only available to KPI Depot subscribers. The full benchmark database contains 22,567 benchmarks.

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Source: Subscribers only

Source Excerpt: Subscribers only

Additional Comments: Subscribers only

Value Unit Type Company Size Time Period Population Industry Geography Sample Size
Subscribers only percent average water utilities Europe

Benchmark data is only available to KPI Depot subscribers. The full benchmark database contains 22,567 benchmarks.

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Source: Subscribers only

Source Excerpt: Subscribers only

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Value Unit Type Company Size Time Period Population Industry Geography Sample Size
Subscribers only percent average 2005 water utilities South Africa

Benchmark data is only available to KPI Depot subscribers. The full benchmark database contains 22,567 benchmarks.

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Source: Subscribers only

Source Excerpt: Subscribers only

Additional Comments: Subscribers only

Value Unit Type Company Size Time Period Population Industry Geography Sample Size
Subscribers only percent average 2013–2014 water utilities Kenya

Benchmark data is only available to KPI Depot subscribers. The full benchmark database contains 22,567 benchmarks.

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Common Pitfalls

Many utilities underestimate the impact of NRW on their financial health and operational efficiency.

  • Ignoring regular maintenance schedules can exacerbate leakage issues. Without proactive measures, small leaks can escalate into major losses, affecting service delivery and costs.
  • Failing to invest in modern technology limits the ability to detect and address NRW. Outdated systems often lack the capability for real-time monitoring, leading to delayed responses to leaks and inefficiencies.
  • Neglecting staff training on NRW management practices can create knowledge gaps. Employees may not be equipped to identify issues or implement best practices, resulting in persistent inefficiencies.
  • Overlooking customer feedback on service quality can mask underlying NRW problems. Without insights from users, utilities may miss critical indicators of service failures linked to water loss.

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Improvement Levers

Reducing NRW requires a multifaceted approach focused on technology, training, and process optimization.

  • Implement advanced metering infrastructure to enhance monitoring capabilities. Smart meters provide real-time data, enabling quicker identification of leaks and inefficiencies.
  • Conduct regular audits of water distribution systems to pinpoint vulnerabilities. Systematic assessments help prioritize repairs and upgrades, reducing long-term losses.
  • Invest in employee training programs to build expertise in NRW management. Knowledgeable staff can better identify issues and implement effective solutions, driving performance improvements.
  • Enhance customer engagement initiatives to gather feedback on service quality. Actively seeking input can reveal areas for improvement and foster trust in the utility’s commitment to service excellence.

Percentage of Non-Revenue Water Case Study Example

A regional water utility faced a staggering NRW rate of 30%, resulting in substantial revenue losses and customer dissatisfaction. The executive team recognized that addressing this issue was critical for both financial stability and community trust. They initiated a comprehensive NRW reduction program, focusing on technology upgrades and employee training.

The utility invested in a state-of-the-art leak detection system, which utilized acoustic sensors to identify hidden leaks in real time. Additionally, they implemented a training program for field staff, equipping them with the skills to effectively manage and respond to NRW issues. Over the course of 18 months, these initiatives led to a significant reduction in NRW, dropping it to 15%.

As a result, the utility recovered over $2MM in lost revenue, which was reinvested into infrastructure improvements. Customer satisfaction scores improved markedly, as residents experienced fewer service interruptions and better water quality. The successful NRW reduction program not only enhanced operational efficiency but also positioned the utility as a leader in sustainable water management practices.

Related KPIs


What is the standard formula?
(Total Non-Revenue Water Volume / Total System Input Volume) * 100


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FAQs

What is Non-Revenue Water?

Non-Revenue Water refers to water that is produced but not billed to customers. This includes water lost through leaks, unauthorized consumption, and metering inaccuracies.

How can NRW impact financial performance?

High NRW levels can lead to significant revenue losses, affecting overall financial health. Reducing NRW improves cash flow and allows for better resource allocation.

What are the main causes of high NRW?

Common causes include leaks in the distribution system, unauthorized connections, and inaccuracies in metering. Addressing these issues is crucial for reducing NRW levels.

How often should NRW be monitored?

Regular monitoring is essential, with many utilities conducting monthly assessments. Frequent checks help identify trends and facilitate timely interventions.

Can technology help reduce NRW?

Yes, advanced technologies like smart meters and leak detection systems significantly enhance monitoring capabilities. These tools enable quicker identification of issues and more effective management.

What role does customer feedback play in managing NRW?

Customer feedback provides valuable insights into service quality and potential issues. Engaging with customers can help utilities identify problems related to NRW and improve overall service delivery.


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