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How to obtain rainwater management aid

Reduce at source the volume of runoff collected in networks (at least zero discharge for ordinary rainfall) by infiltrating rain as close as possible to where it falls, diffusely and at the surface (in the open). Beneficiaries indicated: businesses. Catalogue amount: a grant of up to €25/m² to €100/m² depending on the ambition of the project. The official conditions and the opening of the scheme remain to be checked.

Rainwater management aid aims to reduce at source the volume of runoff collected in networks (at least zero discharge for ordinary rainfall) by infiltrating rain as close as possible to where it falls, diffusely and at the surface (in the open); and maintain and if possible increase planted open-ground areas. To find out whether your project can benefit, first check the applicant’s profile, the nature of the costs and the funder’s conditions. The information below comes from the catalogue and flags the points to confirm before any commitment.

Funded by Agence de l'Eau Seine-Normandie

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Who can apply

The reference information indicates: businesses. Final eligibility depends on the territory, the applicant’s status, the activity and the applicable rules.

Eligibility conditions

The detailed conditions are not given in the conditions field of the catalogue. Before incurring expenditure, confirm with the funder the geographical scope, business criteria, sector exclusions, State aid rules and any obligation to apply before starting.

What the scheme covers

Operations or expenditure described: studies (preliminary studies for the works and project management studies) and works for: de-sealing soils by creating planted open-ground surfaces — car parks, swales, ditches, permeable roadways, etc., contributing to green corridors for better terrestrial ecological continuity; disconnecting rainwater from sewer networks and managing water through infiltration by maintaining or increasing planted open-ground areas. Have the quote and expenditure base validated by the funder; do not assume that related costs or expenditure already committed will be accepted.

Amount and funding terms

A grant of up to €25/m² to €100/m² depending on the ambition of the project. The amounts and rates should be confirmed in the official rules in force before drawing up a financing plan.

How to apply

Prepare a project description, a timetable, unsigned quotes if required, a provisional budget, the financing plan and the administrative documents. Consult the official rules, discuss the project with the reviewing department and submit the application before operations start where this rule applies. Keep the acknowledgement of receipt and wait for the award decision before committing expenditure if the rules require it.

Timeline

The catalogue entry shows the date 31 December 2030, which on its own does not prove that the aid is open or closed. Check campaign dates, any selection committees and the availability of funds directly with the funder before applying.

Key facts

Funder
Agence de l'Eau Seine-Normandie
Type of funding
Grant
Status
Open
Maximum amount
€100
Automatically extracted — check the official source
Minimum amount
€25
Automatically extracted — check the official source
Closes
31 December 2030
Geographic scope
Not specified

Frequently asked questions

Which rainwater management works are targeted?

The Seine-Normandy Water Agency notably targets de-sealing, planted open-ground surfaces, swales, ditches, permeable roadways and disconnecting rainwater from networks.

What amount can be granted?

The official page indicates aid of €25 to €100/m² depending on the ambition of the project, for works and linked studies.

Can a study alone be funded?

Preliminary studies and project management studies can be funded when they are linked to the works concerned.

What was the application deadline for review in 2026?

The official page consulted asked for complete applications to be submitted before 30 September 2026 to guarantee review in 2026; this date has passed. Confirm the next application window and eligibility with the Agency.

Official source

No official URL is available in our data for this grant.

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