AQA 7/17-2 - 4 INDUSTRIES WHICH REQUIRE WATER TEMPERATURE MONITORING
It is essential to monitor for abnormalities in water temperature, as the water chemistry can be signifi cantly affected by fl uctuations. Whether you are monitoring domestic or commercial water supplies, the temperature should be regularly checked. We would recommend regular water testing for all water supplies and, in agriculture, for continued monitoring of natural water formations.
Below are four different industries which benefi t from temperature monitoring, as well as why it is so important to do so.
1. Commercial and Domestic Aquatic Environments 2. In Public Environments
In accordance with Health and Safety and COSHH (control of substances hazardous to health) regulations, public building like schools must conduct a regular water temperature test for both hot water boilers and cold water storage, in accordance with Legionnaires legislation.
This is regularly stipulated in risk assessments for sites. In cold water storage tanks, the temperature should never exceed 20°C and it is recommended that only a day’s worth of water is stored at any one time. In hot water cylinders, the temperature must reach 60°C.
The temperature of water affects the environment which aquatic animals rely upon. The level of oxygen, photosynthesis and other elements of water quality are affected. Aquatic organisms use water temperature as an indicator of seasonal changes and therefore, also an indication of when to migrate and reproduce.
If the temperature of a water body varies dramatically from the AET October / November 2017
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stand temperature, this can severely affect aquatic ecosystems. Warm water holds less oxygen, effectively suffocating marine life.
Commercial and domestic fi sheries, or indeed any signifi cant aquatic habitat, should be tested to ensure that optimal conditions for life are being maintained.
Full records must be kept of all tests to comply with regulations. Deviation of temperature away from the accepted norm can lead to a more accepting environment for the breeding and growth of Legionella bacteria. It is not only the public sector that needs to be aware of this risk, and monitoring of water in any environment with hot or cold water storage is recommended.
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