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TVC measures the total bacteria in your water, not Legionella. Learn what a rising aerobic colony count signals, why 22C and 37C matter, and when to act.
Measure free and total chlorine the right way, read the residual at the far tap, and confirm your dosing or chlorine dioxide system reaches every outlet.
Yes, Legionnaires' disease is notifiable, but the clinician notifies UKHSA, not you. See exactly when a RIDDOR report to HSE is the duty holder's job.
A Legionella death can put the organisation itself in the dock. Learn the corporate-manslaughter threshold and how it differs from an HSE prosecution.
Your warm, bubbling spa is a textbook Legionella risk. How homeowners and holiday-let hosts should drain, clean, filter and disinfect a hot tub safely.
When can you safely cut Legionella monitoring? How HSG274 supports extending intervals after sustained in-range results, plus a simple test to justify it.
Does your village hall, church or scout hut need a Legionella risk assessment? Who the duty holder is, the stagnation risk, and the few controls that matter.
Only a kitchen tap and a WC, no showers? You still have a Legionella duty. Here is the simple, proportionate assessment low-risk premises actually need.
Hotels, cruise ships and spa pools abroad are classic Legionnaires' sources. Learn how travel clusters are spotted, and what to do if you suspect one.
On a Quooker or Zip-style tap the near-boiling tank self-disinfects; the filtered and chilled side, the filter and any tepid dwell are the real watch-points.
A portable evaporative cooler's tank can grow Legionella when left warm and stagnant. Here's why it isn't a cooling tower, and how to empty and dry it safely.
Most landlords treat Legionella as an HSE matter only. Housing law gives tenants and councils a separate route, here is how the Homes Act and HHSRS apply.
The cooling tower records a water logbook never covers: biocide dosing, dip-slide counts, drift-eliminator checks and clean dates, and how often to log each.
Plumbed-in coffee and vending machines hold warm water in tanks and feed lines. Here are the flush, descale and service controls that keep the break room safe.
Legionnaires' disease is uncommon in healthy children but not impossible. The real exceptions, newborns, immunocompromised kids and birth pools, explained.
Are school, gym and park drinking fountains a Legionella risk? They are low-aerosol, but the nozzle and quiet ones still need flushing and a clean.
CDM 2015 puts duties on clients, designers and contractors to reduce foreseeable risk, Legionella included. What designing out dead legs and stagnation means.
How monochloramine controls Legionella: a stable residual to far outlets and into biofilm, the nitrification catch, and how it compares with chlorine dioxide.
Surface swabs sample biofilm; water samples measure the water itself. Learn when each Legionella test is used, what results mean, and why swabs are diagnostic.
Hydrobaths, hydrotherapy pools, wash-down hoses and idle kennel taps all aerosolise water. Here is where the Legionella duty bites in animal-care premises.
A Legionnaires' victim can sue for damages in civil court even when the HSE never prosecutes. How the claim works and what duty holders must evidence.
No, there is no licensed vaccine for Legionnaires' disease. Here's why a jab is so hard to make, and why controlling your water system is the real protection.
Having had Legionnaires' disease gives no reliable immunity. Here is why you can be reinfected from a fresh water source, and what that means for control.
Courts size a Legionella fine by culpability, harm category and your turnover band. See the mechanism that puts a large business in six or seven figures.
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