Our History
The company initially addressed the needs for modernizing the management of sanitation and drinking water networks in the areas surrounding Paris. Over time, its expertise and scope of action have continuously expanded.
1984
Foundation
- The creation of PROLOG INGENIERIE is part of the growing awareness of “Water as a common heritage of the Nation” (with the first water laws of 1964 and 1992).
1989
Creation of SIGT
- Specialized in IT studies and solutions for technical management.
1990
First modeling
- First modeling of the Bièvre valley floor networks for SIAAP Participation in the development of SPIDA, the predecessor of ICM
1990
First SDA (Sanitation Study)
- First SDA (Sanitation Study) for SIAAP
1992
Creation of SAGEE
- Creation of SAGEE (Société d’Aménagement et de Gestion de l’Eau et de l’Environnement), specializing in metrology studies
1992-1998
SEDIF
- SEDIF: Integration of a modeling tool into the supervision system at the Water Movement Center
1993
First SDA
- First SDA for Drinking Water
1998-2002
MOE (Project Management)
- Drinking water treatment station at Coulonges for the Syndicat de Damville (27)
2000
Design of EVE’m
- Design of EVE’m, a management tool for sanitation networks, wastewater treatment plants (WWTPs), natural environments, and drinking water networks
1999
SyAGE
- Implementation of a telemanagement system for regulating structures on the Yerres River
2003-2009
MOE (Project Management)
- Demidoff Basin (38,000 m³) in Le Havre
2008
Creation of the River Division
2010
Lyon
- Opening of a secondary office in Lyon
2013
Bordeaux
- Opening of an office in Bordeaux and the first PAPI (Flood Prevention Action Program) study
2015
Creation of the Innovation Division
- Creation of the Innovation Pole to continually offer high-value-added services and products
First 3D modelling study
2016
Swimming-related studies
- First study
2017
Certification ISO 9001-2015
2017-2019
MOE (Project Management)
- Design of the Austerlitz Basin (50,000 m³)
2019-2022
Innovation coupling TELEMAC 2D-3D with a bacteriological module
- Launch of the project
2020
Data mining
- First study
2020-2023
MOE (Project Management)
- Realization of the Austerlitz Basin project (€86M)
2024
Integration into the INFRANEO Group
AMO
- Flood protection system for the Greater Paris Metropolis