Risks and Aquatic Environments Division

The prevention of natural risks, balanced resource management, restoration of aquatic environments, coastline management, climate change adaptation, crisis management, resilience all critical challenges are closely linked to the life and development of territories. These issues require strong, multidisciplinary technical expertise, ambition, transparency, as well as solid skills in communication, pedagogy, and knowledge transfer skills, to find fully-adapted solutions at various scales, oriented to local stakeholders. The Risks and Aquatic Environments department offers high-quality technical services and supports territories in their adaptation and sustainable development efforts.

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Our Activity Sectors

Flood Risk Assessment and Management

Hazard assessment, identification of stakes, vulnerability diagnostics, development of Local Strategies and Prevention Action Plans, Cost/Benefit analyses, Multi-Criteria analyses, crisis management tools and guides, flood forecasting and alert systems, etc. These services are essential for understanding and managing the risks that affect territories. They enable decision-makers to implement effective measures to protect people, property, and the environment while promoting long-term sustainability.

Restoration of Aquatic Environments

Global or specific studies on restoring ecological and morphological continuity, studies related to the assessment of point-source and diffuse pollution impacts, studies on chemical and microbiological risks for drinking water supply, evaluation of cumulative effects on aquatic environments, swimming water quality studies, etc.

Safety of Hydraulic Structures

PROLOG INGENIERIE is accredited as an authorized participant for the safety of hydraulic structures in the category “Class C dams and levees – studies and diagnostics.” This accreditation was published by decree on 24/10/2018 in the Official Journal of the French Republic.

Coastal Risks

Assessment of marine submersion risks, coastline management, hydro-sedimentary studies, etc.

Elaboration PPRi

Complete process: history, hazards, issues, regulatory file, assistance with official consultation and public inquiry, consultation, education, etc. (Clients: DDTM59/62/80, DDT69, etc.)

Aquatic Environments

Comprehensive studies for morphological restoration, restoration of ecological continuity, etc. (Customers : SyAGE (91), Pays de Montbéliard (25), SIRRA (38), Métropole du Grand Paris (75) …)

Safety Structures

In-depth technical inspections, hazard studies, safety diagnostics, etc. (Customers : Métropole Grand Paris (75), SyAGE (91), SIAGAR (26), Métropole de Lyon (69), Syndicat Mixte des Rivières du Beaujolais (69) …)

Risk forecasting

Development of flood monitoring and forecasting systems, mapping of forecast flooded areas, RDI missions, pollution alert tools, etc. (Customers : SIAVB (91), SyAGE (91), DDTM62 …)

Project management / Consultation

Assistance with project management, consultation procedures, communication media, education, mapping platforms, PAPI / PPRI procedures, PLU …(Clients : Metropole de Lyon (69), CD91, SIRRA (38) …)

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Presentation of Activities and References

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Animated Mapping of Forecasted Flooded Areas