Aquatrine is the Ministry of Defence’s (MOD’s) GB-wide water and wastewater Public Private Partnership (PPP) contract. Aquatrine is a partnering contract bringing together the MOD’s department responsible for Aquatrine – Defence Infrastructure Organisation (DIO) with its three water and wastewater service providers (C2C, Kelda Water Services and Veolia Water Nevis), allowing the MOD to focus on its core duties.