STE ETUD TRAV HYDRAULIQUES ADDUCTIO
In 2018, STE ETUD TRAV HYDRAULIQUES ADDUCTIO signed €34.6M of contracts with the City of Paris (maximum amounts), mostly in sewer network works.
Source: the City's contract list (opendata.paris.fr) and the DECP (data.gouv.fr), data as of 29 September 2026.
Société d Etudes, de Travaux Hydrauliques et d'Adduction d'Eau
registered office in Bobigny (93000) · headcount 100 to 199 employees · founded in 1974 · SIREN 301291738 · view on annuaire-entreprises.data.gouv.fr ↗
The contracts signed
Largest first.
Sewerage works, lot 1: 3rd, 4th, 10th and 19th arrondissementssigned on 8 Dec 2022€20MSewerage works, lot 5: 5th, 13th and 14th arrondissementssigned on 8 Dec 2022€20MTvxd'entre. Repara. Ouvra. Assaini A3,4,10,19e lot 01.signed on 20 Dec 2018€17MMaintenance and repair works on sewerage structures, 5th, 13th and 14th arrondissements, lot 5signed on 20 Dec 2018€17MMaintenance, repair and improvement works on sewerage structures, lot 3signed on 7 Jan 2015€16MMaintenance of compressor and air-ejector installations, lot 3signed on 17 Feb 2025€7.2MMaintenance and installation of compressors and air ejectors, lot 2signed on 4 Jan 2021€5.4MMaintenance of water networks, lot 2: green spaces of Paris intramurossigned on 19 Apr 2022€4M14 more contracts
Works to replace access hatches to the sewerage networksigned on 6 Jul 2015€2.4MTravaux de fontainerie, d’entretien, de réparation…Travaux de fontainerie, d’entretien, de réparation… · signed on 10 Mar 2026€2MMaintenance of water networks, lot 3: Paris cemeteriessigned on 19 Apr 2022€1MReplacement of the knife gate valves at the Mazas plantsigned on 6 Jan 2026€1MTravx de Fontainerie et D'entretienCimetièreS · signed on 15 Apr 2014€640kTravaux D'eau Espaces Verts et Cimetières de Paris lot 2signed on 26 Apr 2018€640kReplacement of valve seals in the Paris sewerage network, lot 5signed on 11 Feb 2025€600kMaintenance Disconnecteurs Fourniture, Pose Dépose lot 2signed on 17 Jul 2017€500kFountain-making and maintenance works on water supply networks in cemeteries inside and outside…signed on 10 Mar 2026€500kControle et Reparation Disconnecteurs -lot 2signed on 27 Jul 2013€480kTravaux Réparat° Et/ou Remplacement Ensembles Disco lot 2signed on 9 Feb 2022€400kTravaux Entretien Repar.amelior.ouvr.assainissement-lot 3-DEPsigned on 7 Jan 2015€300kMaintenance-remplacemt Bloqueurs de Tiges Hydrauliqsigned on 12 Jun 2023€215kCSP EP Maintenance & Remplacement Bloqueurs Tige Hydrauliquesigned on 3 Jun 2019€200kYear by year
€€480k in 2013 · €€45.4M in 2022 (the highest) · €€3.5M in 2026
Click a year to see its amount.
What for
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Maximum contract amounts: what the City paid the company, contract by contract, is not published. A shared lot shows the whole lot’s amount. Source: City of Paris, DECP.