Water and sewers
In 2025, the City of Paris signed 12 contracts in water and sewers, for €59.2M in maximum amounts, 1% of the year's contracts.
Source: City of Paris and DECP, data as of 29 September 2026.
Year by year
The same domain across every published year, whatever the source.
€€12.3M in 2013 · €€184.8M in 2022 (the highest) · €€59.2M in 2025
Click a year to see its amount.
The largest contracts in 2025
Cleaning of the sewerage networks, left bank, lot 2Ortec Industrie€15.3MCleaning out of sewerage networks, eastern right bank, lot 1Curage Industriel de Gonesse€12MCleaning of the sewerage networks, right bank west, lot 3Curage Industriel de Gonesse€10.3MRehabilitation of the Asnières sewer, Paris 8thSade - Compagnie Générale de€10.2MRenovation works on the Watt plant and associated equipment, Paris 13thEhtp€6.8MRenovation works on the Siphon-Versailles local management station, Paris 15thUrbaine de Travaux€2.3MSee more
Modernisation of the Wattignies management station, 12th arrondissementEhtp€1.4MReplacement of the Mazas screen cleaner, lot 2PRS€582kReplacement of the Blanqui screen cleaner, lot 1PRS€294kRemoval of wrecks and waste from the Seine, BercyOcelian€39kRemoval of bulky waste on the Seine, bras de Marie (4th arrondissement)Ocelian€36kWaste removal, bras de Grenelle (15th arrondissement)Ocelian€33kThe main holders in 2025
Curage Industriel de Gonesse2 contracts€22.3MOrtec Industrie1 contracts€15.3MSade - Compagnie Générale de1 contracts€10.2MEhtp2 contracts€8.1MUrbaine de Travaux1 contracts€2.3MPRS2 contracts€876kOcelian3 contracts€108kThe domain is a Qipu reading: each contract is filed by the City’s category (2013-2024) or the DECP’s CPV family (2024-2025), so that years compare despite the change of source. A shared lot counts once. Source: City of Paris, DECP.