top of page
Search

Your Building Isn't a Hospital. Legionella Doesn't Care.

Chantil Cammack
1 minute ago
5 min read

Why hotels, apartment complexes, office buildings, resorts, military bases, correctional institutions, and commercial properties need to take water management seriously.


Legionella doesn't check the sign on the front of your building before moving in.


It doesn't care whether you're running a hospital, a five-star resort, a luxury apartment complex, or a corporate office tower.


It doesn't ask whether your facility has an infection prevention department, a water management program, or a maintenance guy named Bob who's been keeping everything running for 30 years.


It just needs the right conditions.


And unfortunately, those conditions can exist in just about any large building with a complex water system.


Somewhere Along the Way, We Made This a Hospital Problem


When most people hear about Legionella, they associate it with hospitals, nursing homes, or other healthcare facilities.


That makes sense. Healthcare facilities serve populations that may be particularly vulnerable to Legionnaires' disease, and water management has become an important part of their infection prevention strategies.


But here's something worth considering.


The bacteria that cause Legionnaires' disease don't behave differently because the building isn't a hospital.


The same conditions that allow Legionella to grow in hospital plumbing can exist in hotels, apartment buildings, resorts, office towers, and commercial properties.


Stagnant water. Biofilm. Inadequate disinfectant residuals. Favorable temperatures.


The bacteria don't need a hospital.


They need an opportunity.


Your Building Might Be Beautiful. Your Plumbing Might Tell

Another Story.


Imagine walking into a luxury hotel.


The lobby is immaculate. The rooms are spotless. The swimming pool sparkles. The staff is attentive.


Everything appears to be operating perfectly.


But behind the walls, hundreds of feet of plumbing distribute water throughout the property.


Some rooms haven't been occupied in weeks. Some fixtures rarely get used. Hot water temperatures vary throughout the system. Disinfectant residuals may decline as water travels farther from the municipal supply.


And inside sections of that plumbing, biofilm may be developing.


You won't necessarily see it.


You probably won't smell it.


And your guests certainly aren't going to ask about it when they check in.


But that doesn't mean it isn't there.


The CDC identifies biofilm, water stagnation, favorable temperatures, and inadequate disinfectant levels as important factors that can contribute to Legionella growth.


A clean building does not automatically mean a clean water system.


The City Treats the Water. Isn't That Enough?


This is one of the biggest misconceptions in commercial water management.


Municipal water providers treat water to meet drinking water regulations. That's essential, and it provides an important first line of protection.


But what happens after that water enters your building?


Water may travel through extensive piping networks, storage tanks, water heaters, mixing valves, and hundreds of fixtures.


Along the way, water temperature changes. Disinfectant residuals can decline. Sediment accumulates. Biofilm develops. Portions of the system may experience little or no flow.

The water entering a building can be very different from the water eventually reaching a showerhead on the twelfth floor.


The CDC specifically recommends evaluating disinfectant residuals both where water enters the building and at points of use.


The municipal water supplier treats the water coming into your property. Building owners and operators need to understand what happens to that water once it's inside.


Here's Something That Might Surprise You


Legionella prevention isn't exclusively a healthcare issue in the eyes of industry standards, either.


ANSI/ASHRAE Standard 188, Legionellosis: Risk Management for Building Water Systems, applies to certain commercial, institutional, multiunit residential, and industrial buildings.


The CDC also identifies hotels, high-rise apartment complexes, retirement facilities, and buildings with certain water systems and devices as potential candidates for water management programs.


Even a building that doesn't meet specific building-wide risk criteria may have equipment that warrants attention, including cooling towers, hot tubs, decorative fountains, and other aerosol-producing systems.


In other words, this isn't just something hospitals invented to give their maintenance departments more paperwork.


There is an established scientific and industry framework for managing Legionella risk in buildings well beyond healthcare.


Waiting for a Positive Test Isn't Much of a Strategy


Here's where things get interesting.


Many commercial property owners don't really think about Legionella until there's a reason to.


A positive laboratory result.

A complaint.

A suspected exposure.


Or, in the worst-case scenario, an illness associated with the property.


Suddenly, water management becomes a very high priority.


Emergency testing, remediation, operational disruption, and potentially significant legal exposure may follow.


But why wait?


You don't wait for a building fire before inspecting your fire suppression system.


You don't wait for an elevator accident before performing elevator maintenance.


And you probably shouldn't wait for a Legionella problem before understanding what's happening inside your water system.


Reactive remediation addresses a problem after it's discovered. Proactive water management is designed to help prevent that problem from developing in the first place.


Testing Is Important. Controlling the Conditions Is Better.


At Legionella Specialties, we believe effective water management requires more than collecting samples and filing reports.


Testing provides valuable information. But a laboratory result is a snapshot of what was found at a particular location and time.


Understanding the conditions throughout the system helps identify where problems may be developing.


That includes monitoring parameters such as:


  • Water temperature

  • Disinfectant residuals

  • Oxidation-reduction potential (ORP)

  • pH

  • Water movement and stagnation

  • Microbiological conditions and treatment performance


Not every building needs the same treatment approach. Some may benefit from operational changes, improved circulation, temperature adjustments, or more effective maintenance practices.


Others may require supplemental disinfection or a more comprehensive treatment strategy.


At Legionella Specialties, our services include system evaluation, water quality testing, remediation, ongoing monitoring, and continuous disinfection solutions, including our WaterGuard MO technology where appropriate.


Our objective is straightforward: identify the conditions that allow microbial contamination to develop, implement appropriate controls, and monitor their effectiveness.


Because maintaining water quality isn't a one-time event.


It's an ongoing responsibility.


Your Building Doesn't Have to Be a Hospital to Take Water Safety Seriously


Hotels have guests.


Apartment buildings have residents.


Office towers have employees.


Resorts have visitors.


And nearly every large commercial building has a water system that deserves attention.

Legionella doesn't distinguish between those buildings.


The real question is whether the people responsible for maintaining them understand the risks and have a plan to manage them.


You don't need to turn your hotel into a hospital.


You don't need to create unnecessary complexity or spend money on treatment your building doesn't need.


But you should know what's happening inside your water system.


Because Legionella doesn't care what kind of building you own.


And neither should your commitment to water safety.


Legionella Specialties | Chasing Zero


Legionella Specialties provides water quality testing, remediation, water management support, and ongoing treatment solutions for healthcare facilities and commercial properties.


Whether you operate a hotel, apartment complex, office building, resort, or other commercial facility, we can help you evaluate your water system and develop an appropriate strategy for managing microbial risk.




 
 
 

Comments


bottom of page