Regulatory contextItalian Legionella regulations at a glance
All documents in this library are designed against the following primary legal references.
State-Regions Agreement — 7 May 2015
The primary national guideline for Legionella risk assessment and control in Italian facilities. Sets sampling frequencies, action thresholds (100 / 1,000 / 10,000 CFU/L) and minimum documentation requirements.
Legislative Decree 81/2008 — Title X
Italian workplace safety law requiring a written Risk Assessment Document (DVR) for all facilities with employees. Legionella falls under biological risk assessment obligations.
ISS National Guidelines 2024
Updated technical guidelines from the Italian National Institute of Health, refining sampling methodology, action thresholds for healthcare settings and self-monitoring plan requirements.
UNI EN ISO 11731:2017
International standard for the detection and enumeration of Legionella in water samples. All qualified Italian laboratories must use this method.
Legislative Decree 31/2001
Italian regulation on drinking water quality. Requires water system monitoring and documentation for facilities supplying water to the public.
EU Drinking Water Directive 2020/2184
European directive transposed into Italian law (D.Lgs. 18/2023). Introduces risk-based approaches for distribution systems and extends Legionella monitoring obligations.