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Mios, in Communauté d'agglomération du Bassin d'Arcachon Nord
Photo (Mios): Gitouche, CC BY-SA 4.0

Gironde · Nouvelle-Aquitaine · 73,982 residents · Chair: Philippe De Gonneville

Communauté d'agglomération du Bassin d'Arcachon Nord

€26.2 million spent in 2025.

€355 per resident · Urban-area groupings of the same size: €662

What Communauté d'agglomération du Bassin d'Arcachon Nord spends, by policy

  • Streets and transport34%€8.8M
  • Administration and shared services19%€5.1M

    Bodies do not all file the same costs here: some put all their staff under it.

  • Economy and trade7%€1.8M
  • Public safety5%€1.4M
  • Waste, water and environment5%€1.3M
  • Town planning and housing5%€1.3M
  • Health and social care3%€782k
  • Passed on to other bodies19%€5.1M
The 4 other items (3%)
  • Culture, sport and youth2%€408k
  • Education1%€200k
  • Loans: repayments and interest< 1%€105k
  • Not assigned to a policy< 1%€438

Source: 2025 accounts of Communauté d'agglomération du Bassin d'Arcachon Nord (DGFiP), by public policy.

Suppliers and recipients

The same €26.2M, by recipient.

  • Grants and contributions32%€8.3M
  • Companies and contractors26%€6.9M

    See the names ↓

  • Joint bodies and syndicates19%€5.1M
  • Staff14%€3.7M

    Pay and contributions.

  • Compulsory contributions5%€1.4M
  • Banks and lenders< 1%€105k
  • Benefits paid to people< 1%€25k
  • Other3%€752k

    Councillors’ allowances, taxes paid, other costs.

Source: 2025 accounts of Communauté d'agglomération du Bassin d'Arcachon Nord (DGFiP).

Contracts state a maximum amount for their whole term, often several years. That amount differs from what was paid. Purchases, services and works paid to companies by the intercommunality in 2025: €6.9M (its accounts).

46 contracts signed in 2025 · €17M before tax

Why this total differs from the €6.9M of purchases, services and works paid to companies

These are the amounts of the contracts signed in the year, over their whole length, not what was paid. The money paid in a year also goes to older contracts and to purchases too small to be published (under €40,000 excl. VAT). For a framework agreement, the amount is a ceiling.

Investment and works

€4.3M of capital spending in 2025 (building, renovation, equipment), €58 per resident. Urban-area groupings of the same size: €101.

Click a building site to see the contract

Largest works contracted since 2023, among published contracts. Amounts planned at signature, often spread over several years.

On top of that, €1.3M paid to other bodies for their own equipment (towns, intercommunalities, associations…).

Source: 2025 accounts of Communauté d'agglomération du Bassin d'Arcachon Nord (DGFiP), by public policy.

Revenue and financing

Revenue: €24.1M · spending: €26.2M.

Breakdown of resources

  • Taxes (business and household taxes, VAT share)58%€15.2M
  • State and other contributions18%€4.7M
  • Capital receipts: grants for works, VAT refunds, sales of property…10%€2.7M
  • Users and rents4%€1.2M
  • Other receipts1%€390k
  • Drawn from reserves8%€2.1M

Source: OFGL, 2025 accounts of the main budget.

Debt and taxes

€128 of debt per resident

Urban-area groupings of the same size: €559

1.3 year of savings to repay it

€139 of local taxes per resident

Urban-area groupings of the same size: €51

2025 accounts. Debt and taxes: OFGL, consolidated (main and side budgets). Per resident: amount divided by the population (Insee). “Urban-area groupings of the same size”: median of the 117 urban-area groupings of 50,000 to 100,000 residents.

The levels above Communauté d'agglomération du Bassin d'Arcachon Nord

Spending per resident in 2025, and what each level pays for.

  • IntercommunalityCommunauté d'agglomération du Bassin d'Arcachon NordWaste, water, urban transport, economic development
    €355
  • DépartementGirondeMinimum income, elderly and disability care, middle schools, county roads
    €1,191
  • RegionNouvelle-AquitaineHigh schools, regional trains, training, business support
    €519

Each row: the body’s own spending per resident, the figure at the top of its page (DGFiP). Not to be added up: a grant from one level is spent by another.

Who is part of Communauté d'agglomération du Bassin d'Arcachon Nord

Understanding these figures

Who does what

The intercommunality collects and treats waste, often runs water and sanitation, organises urban transport, and pays part of its revenue back to its member towns.

Official table of responsibilities (July 2025)

Why the levels are not added up

The same euro can appear twice: once when a region or a département pays a grant, again when the town spends it. Each page shows its own body’s spending.

Where these figures come from

Spending: the accounts of the main budget published by the DGFiP, by public policy. Revenue, debt and taxes: OFGL. Contracts: published contract data (DECP), amounts planned at signing.

Elected officials and staff of Communauté d'agglomération du Bassin d'Arcachon Nord: to report a figure to correct or add context, write to Qipu.

Page edited by Qipu, independent of Communauté d'agglomération du Bassin d'Arcachon Nord · Sources and method

Accounts 2025 (DGFiP, OFGL). The method · See the source