Who can become a member?

Membership of IMPEL is open to public authorities that implement and enforce environmental legislation. It is not open to individuals. Typically, membership in IMPEL is taken up by EPA’s, inspectorates, permitting agencies and Ministries. Associations of organisations and authorities working on implementation and enforcement of environmental legislation can also become a member of IMPEL.

Benefits of being involved


Your organisation will be in a network of 50+ environmental authorities with the opportunity to work together on practical implementation issues through projects and activities. This will give your organisation extensive networking opportunities with other implementation and enforcement specialists from IMPEL member countries.

Joint learning

IMPEL projects and activities give your organisation the opportunity to work on common challenges of environmental authorities and produce new ideas and knowledge. IMPEL provides a platform for members to share ideas and experiences and learn from each other.

Sharing best practices

One of the main objectives of IMPEL is to share and develop guidance documents on best practices. This enables learning from experiences of experts in other environmental authorities.

Access to Basecamp

Basecamp is a web-based project management and communication platform. IMPEL uses this software to facilitate networking, interaction and sharing of information between members. Having access to this platform is one of the practical benefits of being a member of IMPEL.

Increased capacity

IMPEL enhances capacity building in your organisation by offering opportunities to learn through projects, conferences and trainings.

Taking part in projects

Your organisation will benefit from the opportunity to have staff take part in projects (with their flight, accommodation and basic catering costs included).

Taking part in expert teams

Expert Teams are thematic based forums for like-minded peers to share information about implementing and enforcing environmental legislation. As a member you will have the opportunity to have staff to take part in expert teams and make decisions on future projects.

Help organisations use their limited resources more effectively

By producing technical guidance and promoting the use of risk-based approaches to target efforts IMPEL can help member organisations strengthen the implementation of environmental law.

Collaboration between enforcement authorities

Collaboration between authorities is very important, especially for cross border issues. IMPEL strengthens cross border communications and links between experts and gives the opportunity for members to work together on common implementation challenges. This work strengthens the collaboration between enforcement authorities of different countries.

Peer reviews

IMPEL offers peer reviews called: ‘IMPEL Review Initiative’ (IRI). The IRI is a voluntary peer review where environmental authorities of IMPEL member countries help each other to improve the implementation of EU environmental law. By having an IRI, your organisation can get low cost advice for further improvement of your work.

Engagement with external partners

IMPEL is in close cooperation with several external networks such as the International Network for Environmental Compliance and Enforcement (INECE), European Network of the Heads of Environmental Protection Agencies (NEPA), European Network of Prosecutors for the Environment (ENPE) and European Network of Judges for the Environment (EUFJE). As an IMPEL member, your organisation will have the opportunity to meet and work with members of these networks too.


Being a member comes with responsibilities. IMPEL derives most of its income from the European Union but a significant portion (about 30%) comes from membership fees (€ 5,000 per member organisation). The network is only as successful as the participants themselves when they network and work together so taking part in decision making, projects and activities is also a key part of being a member.

How to proceed?

If your organisation is interested in becoming a member of IMPEL, please contact our Secretariat.

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