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HW Analysis Assessment

Legionella Sampling

We collect water samples to gather valuable data that allows us to optimize water management and actively prevent Legionella risks.

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Legionella sampling & analysis

Our water samples are taken to determine the presence of Legionella, total bacterial count, copper, silver, and other relevant parameters. The method, frequency, and number of samples are carefully tailored to comply with current regulations and your specific situation. This ensures you benefit from an approach that meets all legal requirements and matches your needs.

The sampling and laboratory analyses are carried out by accredited partners, ensuring reliable, validated results. Sampling and analysis are part of our holistic management solution: we provide vigilant monitoring and follow-up, supported by experienced Solution Managers who advise you based on the outcomes.

What is it?
  • Water samples for the detection of Legionella, total bacterial count, copper, silver, and more
  • Method, frequency, and quantity in accordance with applicable regulations and requirements
  • Analysis by accredited laboratories
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We're happy to listen to your story

Let's schedule an appointment to discuss your water management challenges and explore together whether Holland Water can be of value to you.

Why Holland Water?
  • Part of the holistic management solution
  • Vigilant monitoring and follow-up by a Solution Manager
  • Fair price
Are we required to carry out water sampling?

Sampling and analysis is a mandatory legionella control activity for priority drinking water installations and a highly recommended legionella control activity for non-priority institutions with a duty of care, as established in the Drinking Water Decree.

With the Sampling & Analysis service, your drinking water is analyzed four times a year. This ensures that you maintain control over the quality of your drinking water and comply with current regulations.

Are we required to carry out water sampling?

Sampling and analysis is a mandatory legionella control activity for priority drinking water installations and a highly recommended legionella control activity for non-priority institutions with a duty of care, as established in the Drinking Water Decree.

With the Sampling & Analysis service, your drinking water is analyzed four times a year. This ensures that you maintain control over the quality of your drinking water and comply with current regulations.

Are additional samples taken when water treatment technology is implemented?

Yes, when you implement a new water technology (for example, HW Bifipro or HW ProteQ), additional water samples are usually taken. This is done to monitor the effectiveness of the technology and to check whether the water quality meets the required standards. In the first year after installation, extra measurements are carried out in addition to the regular sampling. This intensive sampling program helps to quickly detect any legionella risks and to adjust the management plan where necessary.

The exact frequency and number of additional samples are tailored to your situation, the type of technology, and the applicable regulations. Our Solution Managers guide the process and provide advice based on the results.

What are the costs of water sampling and analysis?

The costs depend on the number of samples, the frequency, and any site visits. We would be happy to discuss this with you.

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Do you also take samples for pool water and cooling water?

Yes, in addition to drinking water, Holland Water also coordinates the sampling and analysis of swimming water and cooling water. 

For swimming water, parameters such as legionella, germ count, clarity, chlorine levels, and various microbiological and chemical values are analyzed.

For cooling water, the focus is on legionella, germ count, copper, zinc, and other relevant substances. The frequency and number of samples are determined based on the type of installation, the risk profile, and legal requirements.

Frequently Asked Questions

Questions about our water sampling?

You can find the answers to frequently asked questions about legionella sampling here. Is your question not listed? Then please contact us.

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Why is water sampling important?

  • Water safety and health: Regular sampling and analysis are essential to timely identify and control legionella risks and other water-related issues.
  • Legal compliance: Our approach is fully aligned with the Drinking Water Decree and other relevant laws and regulations. You fulfill your duty of care and avoid fines or sanctions.
  • Insight and control: The results of the analyses give you control over water quality. If necessary, our Solution Managers advise on additional measures or adjustments to the water control plan.
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We're happy to listen to your story

Let's schedule an appointment to discuss your water management challenges and explore together whether Holland Water can be of value to you.

Location Amersfoort

Holland Water B.V.
Wiekenweg 35 A
3815 KL Amersfoort
The Netherlands

Location Zelhem

Holland Water B.V.
Stikkenweg 48
7021 BN Zelhem
The Netherlands

Location Brecht

HW Belgium B.V.
Ringlaan 17/A
2960 Brecht
Belgium

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