- lot 3: East of the department - 10 communes - maximum amount 3 000 000 EUR HT over 3 years,
- lot 4 Royan: maximum amount 3 000 000 EUR excluding taxes over 3 years.
- small extensions of drinking water networks,
- installation of equipment on the works,
- installation of connections and / or manhole,
- upgrading of road works,
- displacement and development of drinking water networks.
- small extensions of drinking water networks,
- installation of equipment on the works,
- installation of branch and / or manhole,
- upgrading of road works,
- displacements and installations of drinking water networks.