Water Temperature Testing For Legionella

The water management program team should regularly monitor water quality parameters such as disinfectant and temperature levels.

Water temperature testing for legionella.

The prime temperature for the bacteria to proliferate at is between 20 45 degrees celsius 68 113 f. The thermometer pocket at the top of the cylinder and on the return leg if fitted is a useful point for accurate. Hot water should be stored at 60 c at least in order to kill legionella bacteria. This is why the hse s guidance recommends keeping hot water above 50 c 55 c in healthcare and cold water below 20 c.

Legionella bacteria thrives at temperatures between 20 c and 50 c so one of the key control measures for minimising the risk is to ensure that your cold water is cold i e. Water services should be operated at temperatures that prevent legionella growth. Hot water storage cylinders calorifiers should store water at 60 c or higher hot water should be distributed at. Water testing is the only way to determine whether legionella is present in a water system.

By monitoring these parameters the team can ensure that building water systems are operating in a way to minimize hazardous conditions that could encourage legionella and other waterborne pathogens to grow. Controlling legionella using water temperature thermal control legionella bacteria thrives in temperatures between 20 c and 45 c. When state regulations or codes do not allow hot water temperatures above the range of 105 f 120 f 40 6 c 49 c for hospitals or 95 f 110 f 35 c 43 3 c for nursing care facilities or when buildings cannot be retrofitted for. Water temperature thermometer for legionella monitoring control legionella control internationals range of professional water temperature thermometers and legionella testing kits have been carefully selected to help those with responsibility for the routine monitoring and control of legionella bacteria in water systems.

Below 20 c and the hot water is hot above 50 c. Learn more about ukas laboratory legionella testing how to check water temperatures hot and cold water temperatures.