Alpes Maritimes offers big money subsidies for rainwater collection tanks

alpes maritimes rainwater collection

A new fund of up to €5,000 per project in the Alpes Maritimes could see hundreds if not thousands of rainwater collection tanks and cisterns installed or renovated in the region.  

The Alpes Maritimes’ local government has launched a new scheme to help people buy and install, as well as restore in certain cases, water collection cisterns on their properties, and residents could be in line for as much as €5,000 in financial aid if they take the department up on its offer.  


The programme is aimed at homeowners of both primary and secondary residences, Société Civile Immobilières (SCIs) with one or more of the shareholders living on site as their main residence, and usufructuaries. Social housing landlords are excluded from the deal.  

The funds can help cover tanks of a minimum of 3,000 litres that can be integrated into the crawl spaces or in a closed structure of homes, or fitted beneath the ground. Pumping equipment and filtration systems that are part of the system are eligible for coverage too, as well as any electrical connections that are required.   

If a home has a pre-existing tank of 3,000 litres or more that is no longer operational, the authorities may also help pay for the necessary renovations to allow the cistern to be used again as a “rainwater harvester”.  

The maximum amount of funds available per project is €5,000 or 50% of the total costs incurred capped at €10,000 and excluding tax.   


The first rule to abide by if you’re seeking financial support is that any work done or materials bought prior to the confirmed reception of an application could render assistance null and void. Essentially, make sure you file the complete dossier correctly before taking any further steps.  

Applicants must provide a raft of information, including bank details, house deeds, latest income tax returns and an estimate from a professional of the work to be undertaken as well as the type of cistern being used. A proof of purchase invoice will also be required further down the line. 

If a landlord is applying, they will be required to present a “current rental lease or document attesting to the desire to rent the accommodation as a primary residence within six months following the end of the work or a rental lease having ended less than three months prior to the submission of the application”.   

For further information, please click here.  


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Photo source: Delia Giandeini, Unsplash