Source: https://tendernation.io/opportunities/01a13bcc-3ae9-7206-94c4-0a8272acd8e2/defence-water-services-programme-uk4 closed GB restricted procedure Suitable for SMEs # Defence Water Services Programme - UK4 [Defence Infrastructure Organisation](https://tendernation.io/buyers/defence-infrastructure-organisation) Open field Estimated value £2,300,000,000 Published 7 Jan 2026 Deadline Rolling deadline ## Who can bid - Buyer says suitable for SMEs The buyer ticked “suitable for SMEs” on the notice. Anyone can still bid. - Buyer says suitable for VCSEs The buyer ticked “suitable for voluntary, community and social enterprises” on the notice. [More contracts for small businesses and VCSEs](https://tendernation.io/opportunities/for-small-businesses) ## About this tender The Defence Infrastructure Organisation (DIO) on behalf of the Ministry of Defence (MOD), is looking to secure the provision of end-to-end WWW services for the MOD’s specified estate in England and Wales, through a single Managed Service Provider (MSP). MOD has a significant and geographically dispersed WWW estate in England and Wales with a combination of public supply and its own private water network. The Contract will go-live in 2 main stages with Wales and South-West England going first on 01 Dec 2028, with the rest of England on 30 Mar 2030, with the other smaller requirements going live as the Authority’s other contracts and agreements expire or earlier with the agreement of the MSP. The Defence Water Services Programme (DWSP) will deliver a single contract to effectively support, manage and assure supply chain WWW service provision, delivering a common user experience across the England and Wales estate. Due to the extent and dispersed nature of MOD WWW assets, the MSP will need to demonstrate all technical competencies required to deliver the full spectrum of WWW services which may include but may not be limited to: ### Operational Water and Wastewater Services Water Abstraction & Treatment Water Abstraction & Treatment Abstraction licensing management ### Water resource management Operation and maintenance of raw water reservoirs and water treatment works Provision of emergency water supplies and alternative supplies for security and resilience ### Long-term asset management planning Potable Water Distribution & Measurement Maintenance of water mains and service pipes ### Lead pipe replacement Operation and maintenance of service reservoirs, booster pumps and Pressure Reducing Valves (PRVs) ### Additional dosing ### Metering and measurement Pre-planned maintenance and reactive repairs ### Proactive investment planning ### Long-term asset management planning Non-Potable Water Systems (e.g. Fire Mains) Operation and maintenance of emergency water storage, dedicated fire mains, valves and hydrants, softened water systems and saltwater systems Pre-planned maintenance and reactive repairs ### Proactive investment planning Wastewater Collection (Sewerage & Pumping) Sewage collection and sewerage systems Operation and maintenance of sewage pumping stations, rising mains, combined sewer overflows Resolve sewer blockages and flooding ### Long-term asset management planning Wastewater Treatment & Discharge Sewage treatment Management of discharge consents/permits MCERTS calibration and reporting ### Sludge treatment and disposal Pre-planned maintenance and reactive repairs ### Proactive investment ### Long-term asset management planning Surface Water Systems Operation and maintenance of oil water interceptors, surface water sewers and surface water discharges Flood defences and surface water flooding management ### Reactive repairs ### Proactive investment ### Long-term asset management planning ### Helpdesk & Stakeholder Management 24/7 omnichannel helpdesk Incident management and emergency Water and Wastewater services Job triage, scheduling, and feedback ### Complaints resolution ### Performance management Water and Wastewater Sampling & Analysis Water and Wastewater quality sampling Specialist laboratory and testing ### Reporting ### Specific sampling and analysis services ### Water and Wastewater Management Services Statutory Undertaker (SU) & Retailer Charges SU relationship management ### Cost forecasting ### SU annual negotiations ### Maximum Daily Demand (MDD) tariffs management Management of trade effluent discharge consents Retailer contract negotiation ### Issue resolution Estate Development & Change Liaison with estate development teams and developers ### Approvals for WWW connections ### Acceptance and management of third-party assets Management of MOD Third-Party agreements Easements and access rights ### MOD customer management and charging ### Third party agreements and base separations Supplier Management Appointment and management of suppliers Small to medium sized enterprise (SME) analysis ### Other Services Energy management Implementation of an energy management strategy Network optimisation Advise MOD on asset optimisation ### Identify over/under capacity ### Recommend removal of surplus or redundant assets Security and Resilience of Supply Collaborate with MOD to mitigate security and supply resilience issues Demand Supply Balancing Ensure a sustainable water supply that meets actual and forecasted demand Meter Calibration Verify and adjust water meter accuracy ### Anomaly Investigation Detection of unusual behaviours in water systems Analysis of deviations from normal operations ### Response to anomalies across the water cycle Licensing and Permit Management Management of licenses and permits Innovation Support MOD in driving and implementing innovation Further information regarding the scope of the contract and the key features of the future arrangements can be found in the DWSP Concept Paper. During the life of the contract there may be growth or reduction in estate driven by changes in defence outputs and requirements. Read full description ## CPV classification Water distribution Repair and maintenance services of firefighting equipment Repair and maintenance services of water meters Drainage construction works Laboratory services Fire hydrants Billing system Pipes Building and facilities management services Water meters Source Find a Tender (UK) · Notice ocds-h6vhtk-050318-2026-01-07T17:08:39Z [View official notice](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-050318-2026-01-07T17:08:39Z) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. 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