What is the reference radon regulation in Veneto?

In Veneto, Legislative Decree 101/2020 applies, specifically implemented with DGR No. 464 of May 2, 2025, which identified the first Priority Areas.

When does the radon testing obligation expire in Veneto?

For activities located in Priority Areas (and for all underground workplaces), measurements must be started by November 19, 2025, and concluded by November 19, 2026.

Which municipalities are at radon risk in Veneto?

DGR 464/2025 identified 21 priority municipalities in the provinces of Belluno, Padova, Treviso, Vicenza, and Verona. See the full list on this page.

Do schools in Veneto have to test for radon?

Yes, all schools of every level, including kindergartens, are required to test as they are workplaces and environments with minors present, regardless of geographic area for underground/semi-underground rooms and ground floor in priority areas.

What happens if 300 Bq/m³ is exceeded?

Corrective measures (radon remediation) must be implemented within 24 months, utilizing a qualified Radon Remediation Expert (surveyor, engineer, or architect).

Does basement recovery in Veneto require testing?

Yes, Legislative Decree 101/2020 requires that every underground workplace complies with concentration limits. Even for residential change of use, it is crucial to guarantee air healthiness by certifying radon levels below limits.

Who should I contact for measurements in Veneto?

Measurements must be carried out exclusively by accredited dosimetry services issuing a legally valid report. DIY dosimeters are not valid for regulatory compliance.

How often must measurements be repeated?

If values are below 300 Bq/m³, measurement must be repeated every 8 years or after any structural building intervention modifying ground contact or thermal insulation.

San Vito di Cadore - Belluno Dolomites panorama, radon risk area

San Vito di Cadore and the Belluno Dolomites: here the karstic and fractured nature of the rocks, combined with uranium in the subsoil, creates preferential pathways for radon gas ascent.

Regional Regulations

Radon Veneto: Regulations, Priority Areas and Deadlines

Q: Do private homes have a testing obligation?

In Veneto, there is currently no legal obligation for existing private homes, unless they undergo major renovations or are new constructions. However, testing is strongly recommended to protect family health.

Regulations have changed: with DGR 464/2025, Veneto has defined new Priority Areas. Find out if your business falls within the 21 high-risk Municipalities, what the mandatory deadlines are for schools and workplaces, and how to protect health from the invisible dangers of radon gas with certified measurements.

View Municipalities List

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Updated on January 22, 2026

Radon Legislation in Veneto

From National Law to Regional Decree: the complete framework.

Veneto Legal References

Regional Board Resolution DGR No. 464 of 02/05/2025

BUR Publication BUR No. 60 of 13/05/2025

National Law D.Lgs 101/2020

EU Directive 2013/59/Euratom

Consult the ARPA Veneto portal dedicated to physical agents and radon.

ARPAV Radon Portal

Download the DGR 464/2025 text from Veneto BUR.

Download PDF

Regional Implementation & DGR 464/2025

The Veneto Region fully implemented Legislative Decree 101/2020 with Regional Board Resolution No. 464 of May 2, 2025. This fundamental act approved the document "Indoor Radon – First identification of priority areas in Veneto", published in BUR No. 60 of May 13, 2025.

Unlike other regions, Veneto identified a restricted and very specific number of municipalities (21 in total) as Priority Areas, based on decades of measurements conducted by ARPAV. In these zones, the testing obligation extends to all work activities located on the ground floor.

The Role of ARPA Veneto

ARPA Veneto plays a crucial role in managing radon risk. Through constant territory monitoring, the Agency has mapped radioactive gas concentrations, identifying the most critical geological zones (Dolomites, Euganean Hills, Upper Vicenza area). ARPAV also manages the regional measurement database and provides technical support for remediation.

Public Health Objectives

The primary objective is protecting health from risks deriving from exposure to natural ionizing radiation. Radon gas is classified as a Group 1 confirmed carcinogen by IARC and is the second leading cause of lung cancer after smoking. Regulations require employers to perform risk assessment by measuring the annual average concentration.

Radon Regulations Timeline

From 2013 European Directive to 2025 Veneto Resolution: evolution of the legal framework.

2013 - EUROPEAN UNION

Directive 2013/59/Euratom

The BSS Directive establishes basic safety standards for protection against ionizing radiation. It introduces the reference level of 300 Bq/m³ for workplaces and dwellings at European level.

Read on EUR-Lex

2020 - ITALY

Legislative Decree 101/2020

The Consolidated Radiation Protection Act implements the Euratom Directive. It introduces mandatory obligations for employers, defines Priority Areas, establishes the National Radon Action Plan, and provides criminal penalties (Art. 205).

2013-2024 - VENETO

ARPA Veneto Campaigns

ARPA Veneto conducted extensive measurement campaigns. This decadal scientific data allowed the Region to scientifically identify the 21 Priority Area municipalities.

2024 - NATIONAL

National Radon Action Plan (PNAR)

The PNAR is the national strategic document defining objectives and resources for radon risk reduction for 2023-2032.

MAY 2025 - VENETO

DGR No. 464 of 02/05/2025

With the Resolution published in BUR No. 60, Priority Areas in Veneto are officially identified. Mandatory measurement deadlines start from this publication date.

Download DGR 464 (PDF)

Veneto Priority Area Municipalities

Official map and list of 21 Municipalities identified by DGR 464/2025.

The selection of the 21 Municipalities shown in yellow on the map below is based on extensive monitoring campaigns. Territories where the probability of exceeding the 300 Bq/m³ threshold was greater than 10% were identified as Priority Areas. This is strictly linked to local geology: uranium-rich dolomitic rocks, volcanic origins of Euganean Hills, and high permeability of gravelly soils in Treviso/Vicenza plains favor radon ascent.

Veneto Municipalities Map, yellow indicates Priority Areas.

Click to enlarge

Map Legend

Priority Areas (21 Municipalities) Ground floor testing obligation

Rest of Territory Basement/Semi-basement obligation only

If your workplace, school, or hospital is located on the ground floor in one of these municipalities, radon testing is mandatory. For underground or semi-underground rooms, the obligation applies throughout Veneto.

Priority Area Municipalities List

Source: DGR 464/2025 - Veneto Region

Municipality	Prov	Inhabitants
BORCA DI CADORE	BL	840
CIBIANA DI CADORE	BL	331
CINTO EUGANEO	PD	1,906
DUEVILLE	VI	13,616
FONTE	TV	6,010
FOZA	VI	652
LUSIANA CONCO	VI	4,550
OSPITALE DI CADORE	BL	261
PERAROLO DI CADORE	BL	368
PONZANO VENETO	TV	12,995
RIVAMONTE AGORDINO	BL	622
SAN VITO DI CADORE	BL	1,940
SCHIO	VI	38,647
SELVA DI PROGNO	VR	904
TAMBRE	BL	1,299
TORREGLIA	PD	6,015
VALDAGNO	VI	25,652
VALDASTICO	VI	1,156
VALLI DEL PASUBIO	VI	3,051
VEDELAGO	TV	16,468
VO'	PD	3,268

Municipality	Prov	Inhabitants	Municipality	Prov	Inhabitants
BORCA DI CADORE	BL	840	SAN VITO DI CADORE	BL	1,940
CIBIANA DI CADORE	BL	331	SCHIO	VI	38,647
CINTO EUGANEO	PD	1,906	SELVA DI PROGNO	VR	904
DUEVILLE	VI	13,616	TAMBRE	BL	1,299
FONTE	TV	6,010	TORREGLIA	PD	6,015
FOZA	VI	652	VALDAGNO	VI	25,652
LUSIANA CONCO	VI	4,550	VALDASTICO	VI	1,156
OSPITALE DI CADORE	BL	261	VALLI DEL PASUBIO	VI	3,051
PERAROLO DI CADORE	BL	368	VEDELAGO	TV	16,468
PONZANO VENETO	TV	12,995	VO'	PD	3,268
RIVAMONTE AGORDINO	BL	622

Municipality	Prov	Inhabitants	Municipality	Prov	Inhabitants	Municipality	Prov	Inhabitants
BORCA DI CADORE	BL	840	OSPITALE DI CADORE	BL	261	TAMBRE	BL	1,299
CIBIANA DI CADORE	BL	331	PERAROLO DI CADORE	BL	368	TORREGLIA	PD	6,015
CINTO EUGANEO	PD	1,906	PONZANO VENETO	TV	12,995	VALDAGNO	VI	25,652
DUEVILLE	VI	13,616	RIVAMONTE AGORDINO	BL	622	VALDASTICO	VI	1,156
FONTE	TV	6,010	SAN VITO DI CADORE	BL	1,940	VALLI DEL PASUBIO	VI	3,051
FOZA	VI	652	SCHIO	VI	38,647	VEDELAGO	TV	16,468
LUSIANA CONCO	VI	4,550	SELVA DI PROGNO	VR	904	VO'	PD	3,268

Source: Annex to DGR 464 of 02/05/2025 - Veneto Region

Why these specific areas?

The link between geology and radon gas in Veneto.

Dolomitic Formations

Belluno province hosts volcanic and metamorphic rocks with high uranium and thorium content. Radioactive decay of these elements generates radon, which rises easily through rock fractures typical of the Dolomitic area.

Euganean Volcanism

The Euganean Hills are a volcanic geological island in the Venetian plain. Magmatic rocks (rhyolite, trachyte) are naturally rich in radionuclides, causing ground radon concentrations significantly above average.

High Gravelly Plain

In the high plains of Treviso and Vicenza, gravelly alluvial soils are extremely permeable. This allows radon gas to migrate quickly from the subsoil to the surface and infiltrate buildings through cracks.

Construction Materials

Local use of natural materials like volcanic tuff, porphyry, granites, or pozzolans in construction can contribute to indoor exposure. These materials, if not certified, can exhale radon directly into rooms.

Prevention Techniques

New constructions in these areas must include aerated crawl spaces or radon-proof membranes. For existing buildings, crawl spaces alone do not guarantee safety; testing remains the only verification tool.

Accredited Laboratory

Valid measurements for Decree 101/2020 must be analyzed exclusively by ISO 17025 accredited laboratories. DIY devices have no legal value for risk assessment documents.

Business Obligations & DVR

Including radon assessment in workplace safety.

Mandatory Risk Assessment

Employers have a legal obligation to assess radon risk. This is not optional but must be integrated into the Risk Assessment Document (DVR). Missing measurements make the DVR incomplete, exposing the company to sanctions and civil/criminal liability.

300 Bq/m³ Limit & Remediation

Regulations set 300 Bq/m³ as the maximum annual average concentration. If measurements exceed this, corrective measures (remediation) are mandatory within 24 months, using a qualified expert as per Decree 101/2020.

Criminal Penalties

Failure to comply with testing and remediation obligations is severely punished by Art. 205. Criminal penalties include arrest from 1 to 6 months or fines from 2,000 to 15,000 euros for the employer. SPISAL and ARPAV enforce compliance.

FAQ: Frequently Asked Questions

Answers to common questions about regional regulations.

What is the reference regulation in Veneto?

The reference is Legislative Decree 101/2020. Regionally, DGR No. 464 of 02/05/2025 identified priority areas. Technical guidelines are provided by ARPA Veneto.

Who must perform mandatory testing?

The obligation applies to:

All underground workplaces (basement/semi-basement) throughout Veneto.
Ground floor workplaces located in the 21 Priority Area municipalities.
Schools and kindergartens (all levels).

What are the deadlines?

Measurements (lasting one year) must start by November 19, 2025, and the final report containing risk assessment must be ready by May 20, 2027.

How much does testing cost?

Cost varies by area size and number of measurement points. It typically starts from a few hundred euros for small offices. Using certified dosimeters analyzed by an accredited lab is essential.

What happens if I don't test?

Severe penalties apply: arrest from 1 to 6 months or fines from 2,000 to 10,000 euros for the defaulting employer. Missing assessment also invalidates the DVR.

What are the health risks?

Radon is the second leading cause of lung cancer. Prolonged exposure to high concentrations statistically increases the risk of pulmonary neoplasms, with synergistic effects for smokers.

How is a high-radon room remediated?

Main techniques include soil depressurization, mechanical ventilation (VMC), or building pressurization. Interventions must be designed by a qualified expert.

Do private homes have a testing obligation?

Currently in Veneto there is no legal obligation for existing private homes, unless under major renovation. However, given the geological risk, testing is strongly recommended for family health.

How often must testing be repeated?

If levels are below 300 Bq/m³, testing should be repeated every 8 years or after structural renovations affecting ground connection or insulation.

Who is the Radon Remediation Expert?

A technical professional (engineer, architect, surveyor) who passed specific 60-hour training. They are the only figure legally authorized to design remediation if limits are exceeded.

Go to Full FAQ Section

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