Water and Air Quality Testing


We can undertake pre-treatment bacterial and fungal surveys to establish an effective cleaning program of ductwork using a variety of techniques.

Risk Assessments:

We can undertake Risk Assessments of all air ducted systems to HVCA, TR19 and BSRIA specifications.


Of indoor particulates, bacterial and fungal counts, carbon dioxide and monoxide levels and also temperature and humidity levels to ensure a safe and legal working and living environment. The consequences of contracting Legionella are serious and can be life-threatening. Most of us take for granted our Access to safe drinking and washing water within our offices or commercial premises, which isn't a guarantee. The owner of the building you reside in has the responsibility to ensure the water on their premises is safe to use, and drink and at a safe level for maintenance workers to safely work on. Water testing plays a big role in achieving this.


FAQ Title

Below are some frequently asked questions to provide you with further information about this service

Why is water quality testing important?

Regular water testing allows building owners and operators to:
• Perform tests to ensure their chosen compliance regime is fit for the purpose
• Ensure the building has suitable drinking water
• Track changes in water quality over time

What is the water tested for?

A good water testing programme may test all of the following:
• The chemical make-up of water 
• Legionella - the bacteria that causes Legionnaires’ disease
• Pseudomonas - bacteria that can lead to damaging blockages and corrosion of pipework
• Physical parameters - testing for total and suspended solids
• Metal parameters - testing for metals determines asset wear, system integrity and water quality
• Corrosion, scale and contaminants - reveal water quality, underlying system parameters and safety
• Total viable count (TVC) - estimates the total numbers of microorganisms, such as bacteria, yeast or mould species and gives an overall indication of the general water quality

What is the impact of poor indoor air quality?

In today’s world, a good majority of us now spend a large proportion of our time indoors. That means the air quality of our indoor workplace and home environments, including the air we breathe, is as clean and healthy as it can possibly be. The quality of indoor air is becoming far more important to homeowners, businesses and other organisations as it can significantly impact workplace health and well-being, employee comfort, attendance and productivity issues. Poor indoor air quality can result in significant numbers of occupants experiencing discomfort, increased work-related illness issues and reduced productivity at the extreme end of This is often referred to as Sick Building Syndrome and requires expert advice and evaluation if a solution is to be found.

What factors effect air quality?

Indoor air quality is now used by many organisations to evaluate indoor environments and how this impacts the health, comfort and productivity of their employees and other building occupants. The quality of the air inside an office, factory or home can be influenced by a range of factors, including air flows, ventilation, air conditioning, the accumulation of gases, odours, contaminants, and fluctuations in temperature and humidity.

Expert Water and Air Quality Services Assessments and Sampling

Expert Water and Air Quality Services Assessments and Sampling

Contact Green Zone Surveys today to find out more about our Water and Air Quality Services, monitoring and environmental evaluation solutions and how we can help improve domestic-residential and workplace health and well-being, employee comfort, attendance and productivity issues. We can provide advice and full support to help you identify the most appropriate strategies for managing your indoor air quality issues both in the workplace and at home.

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