Types of Biofilms

Legionella – Biofilm in Plumbing Systems

Legionella – Biofilm in Plumbing Systems

Jun 27, 2025 | ,

Naturally forming biofilm and its role in shaping water quality has become increasingly accepted in the drinking water industry.  ASHRAE (American Society of Heating, Refrigerating, and Air-Conditioning Engineers) Guideline 12-2023, the premiere Guideline for managing the risk of Legionellosis associated with building water systems, mentions biofilm 34 times.

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Gloved hand showing the "hard" biofilm often confused as mineral scale

Not All Biofilms Are The Same

Nov 11, 2019 |

Bacteria create biofilms as a habitat to live in a location which challenges their survival. Biofilms allow bacteria to take in and store nutrients from their surroundings, be protected, and continue reproducing. You may wonder, “Are biofilms a health hazard because...

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