SYMADREM

What SYMADREM does

SYMADREM (Syndicat Mixte pour la Défense contre les Inondations et la Gestion des Milieux Aquatiques du Rhône Delta Camargue) is a French public territorial cooperation entity established in 2006 and headquartered in Arles, France. It operates as the legally designated GEMAPI (Gestion des Milieux Aquatiques et Prévention des Inondations) authority for the Grand Delta du Rhône, holding an exclusive public mandate for flood prevention infrastructure and aquatic environment management across the Rhône delta territory spanning the Bouches-du-Rhône and Gard departments.

The organization's core operations encompass the construction, reinforcement, and maintenance of over 100 km of flood protection dikes along the Grand Rhône and Petit Rhône rivers, as well as coastal protection structures along the Camargue coastline (sea dikes, breakwaters, groynes, and dune restoration). Its technology stack includes the SIRS Digues geospatial information system for dike diagnostics, surveillance, and maintenance; a flood prediction software (Logiciel de prévision des crues) for crisis anticipation; a network of limnigraphs for continuous real-time water level monitoring; and a fiber optic auscultation system for structural surveillance of dikes. The organization also operates an interactive risk cartography tool accessible to the public, integrates with France's national Vigicrues flood monitoring service, and produces educational content including a periodic newsletter (La Lettre du SYMADREM) and documentary resources.

SYMADREM does not generate commercial revenue. As a public syndicat mixte, it is funded through multi-level territorial financing from the French State (30%+ share on major projects), regional councils (Provence-Alpes-Côte d'Azur, Languedoc-Roussillon, Rhône-Alpes), departmental councils (Bouches-du-Rhône, Gard), intermunicipal authorities (ACCM, Beaucaire Terre d'Argence), member municipalities (Arles, Beaucaire, Tarascon, Saintes-Maries-de-la-Mer), the Compagnie Nationale du Rhône (CNR), SNCF Réseau, water agencies (Agence de l'eau Rhône Méditerranée Corse), ADEME, and the European Regional Development Fund (FEDER). Its customers in the public-service sense are member territorial collectivities and the general public benefiting from flood protection infrastructure. Major completed projects include the €67.6M Tarascon-Arles dike (inaugurated 2021) and the €57.5M Beaucaire-Fourques dike reinforcement, protecting 8,000+ residents and preventing an estimated €350M in potential flood damages as occurred in the 2003 centennial flood.

Name

SYMADREM

Legal name

SYMADREM

Website

https://symadrem.fr

Company type

Private

Founded year

2006

Operating status

Operating

Headcount range

11–50 employees

Short description

SYMADREM is a French public syndicat mixte serving as the legally designated flood prevention and aquatic environment authority for the Grand Delta du Rhône, managing 100+ km of dikes and coastal protection infrastructure funded through multi-level public budgets.

Ownership category

akta.pro rank

Product category

Flood Protection and Water Management Services

NAICS

Administration of Air and Water Resource and Solid Waste Management Programs (924110)

SIC

Water, Sewer, Pipeline, Comm & Power Line Construction (1623)

akta.pro industry

PRIMARYAFAMAMAJ

Disaster Risk Reduction Services (Flood Mitigation, Erosion Control, Landslide Stabilization)

Agriculture & Food Production/Forestry & Logging/Forest Ecosystem Services

Keywords

• Flood protection infrastructure
• Aquatic environment management
• Dike construction maintenance
• Flood prediction surveillance
• Coastal protection services

Headquarters

HQ city

Arles

HQ country

France

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Infrastructure, Operations, Technology or R&D, Supply Chain

Distribution channels1 record

Marketing channels6 records

Core offering

SYMADREM is a French public mixed syndicate (syndicat mixte) responsible for flood prevention and aquatic environment management across the Grand Delta du Rhône (Camargue) territory. It builds, reinforces, and maintains fluvial dikes and coastal protection structures, conducts continuous surveillance of water levels and dike integrity, operates flood prediction and emergency response systems, and provides public risk information to residents and member municipalities. The organization manages over 100 km of protective dikes and serves as the legally designated GEMAPI authority for the Rhône delta.

Product overview

SYMADREM is a public intermunicipal association (syndicat mixte) responsible for aquatic environment management and flood prevention across the Grand Delta of the Rhône. The organization offers a portfolio of public information services including an interactive risk cartography tool, documentary resources, newsletters, and video content. Its core operational services encompass the construction, reinforcement, and maintenance of flood protection infrastructure—primarily dikes along the Rhône River (Grand Rhône and Petit Rhône) and coastal protection structures in the Camargue region. The organization also manages hydraulic infrastructure including sluices, pumping stations, and drainage systems, supplemented by flood simulation and management tools for emergency response during flood events.

Differentiator

Problem solved

Functional benefit

Products and services

• Flood Dike Management Services
• Coastal Protection Infrastructure
• Hydraulic Infrastructure Services
• Interactive Risk Cartography (Cartographie interactive)
• Flood Forecasting and Crisis Management Services

Quantifiable outcome

• Protected 8,000 people and prevented €350M in flood damages through the creation of the Tarascon-Arles dike (€67.6M project)
• +3 more outcomes

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration2 records

Feature5 records

Partnerships

Two partnerships are on record, tiered core.

• Voies Navigables de France (VNF)coreStrategic or Co-development PartnerSignatory of the Plan Rhône interregional project contract, VNF is responsible for France's navigable waterways and a partner in the coordinated management of the Rhône corridor.
• Parc Naturel Régional de Camargue (PNRC)coreStrategic or Co-development PartnerConducted the 2013 Camargue Insular ressuyage study that demonstrated the role of the Pertuis de la Comtesse in water evacuation from the Vaccarès system. Key partner in coastal strategy development.

Scale indicators7 records

Recent moves5 records

Expansion highlights5 records

Direct peers

• EPTB Seine Grands Lacs: French public territorial basin establishment (EPTB) responsible for flood prevention and water resource management in the Seine basin. Closest comparable French public authority operating dikes, reservoirs, and flood surveillance infrastructure under analogous public financing.
• SYMBHI (Syndicat Mixte des Bassins Hydrauliques de l'Isère): French mixed syndicate managing flood risk and hydraulic infrastructure in the Isère river system. Directly comparable in legal form (syndicat mixte), mandate scope (dike maintenance, surveillance, flood forecasting), and multi-collectivity governance model.

Emerging players

• DHI Group: Danish water and environment software/consulting firm specialized in flood modeling, hydraulic simulation, and real-time forecasting tools. Comparable on the technological dimension (SYMADREM's flood prediction software and limnigraph-driven monitoring mirrors DHI's MIKE platform offerings).
• HR Wallingford: UK-based civil engineering and hydraulics research organization delivering flood risk modeling, dike/breakwater design, and coastal protection consulting. Comparable expertise stack (coastal and river flood protection engineering, physical/numerical modeling) used by public flood authorities globally.

Broad incumbents

• Voies Navigables de France (VNF): French public operator of the navigable waterway network, including the Rhône. Signs of SYMADREM's Plan Rhône and co-management of waterway-adjacent flood assets make VNF a structural peer in public waterway and flood-domain stewardship.
• Suez Eau France: Commercial operator of municipal water and wastewater networks in France. Comparable in water infrastructure operating expertise and public-service orientation, but commercial and water-supply oriented rather than flood-defense focused.
• Environment Agency (UK): UK statutory body responsible for flood and coastal erosion risk management, operating a national flood warning infrastructure and asset base. Comparable in statutory mandate, flood forecasting, public communication, and infrastructure maintenance role, but at national scale.
• Rijkswaterstaat: Dutch national agency responsible for flood defense, water management, and major hydraulic infrastructure including the Delta Works. Comparable in operating system-scale coastal and riverine flood protection with advanced monitoring technology, though at national scale and not French.
• Compagnie Nationale du Rhône (CNR): French concession-holder operating Rhône river hydropower, navigation, and hydraulic infrastructure. Existing financial partner of SYMADREM with overlapping scope on the Rhône corridor; comparable in operating flood-relevant hydraulic structures but on a concession model rather than public mandate.

Regional players

• Institution Adour: French mixed syndicate organizing flood prevention and water management in the Adour basin (southwestern France). Directly comparable in legal form (syndicat mixte under GEMAPI), dike operation, and multi-collectivity governance, though serving a different geographic territory.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/symadrem

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about SYMADREM