Expected Outcome:
Project results are expected to contribute to all of the following expected outcomes:
Scope:
The European Environment Agency (EEA)’s report on Europe's state of water (2024)[2] highlighted that 77% of groundwater, which supplies two thirds of the EU's drinking water, is in good chemical status. For groundwater not reaching good chemical status, the report identified nitrates, pesticides and pharmaceuticals among main issues. However, less is known about contaminants of emerging concern, such as perfluorinated substances (e.g. PFAS), microplastics and antimicrobial resistance. The Commission proposal[3] to revise the lists of surface- and groundwater pollutants and their standards in the Water Framework Directive, in the Groundwater Directive and in the Environmental Quality Standards Directive aims to address these concerns. Although freshwater standards can serve as a benchmark, standards that are protective for freshwater ecosystems may not be sufficiently protective for groundwater ecosystems.[4] Much stronger evidence on presence, functions and sensitivity of groundwater ecosystems is required for a reliable hazard assessment.
Significant knowledge gaps exist regarding groundwater ecosystems and their biodiversity in Europe, making it challenging to establish their effective protection. Proposals should address such gaps, which would ultimately lead to better protection of our precious drinking water resources, as well as groundwater biodiversity and geodiversity, but also groundwater (aquatic and terrestrial)-dependent ecosystems and biodiversity.
More specifically proposals under this topic should include all of the following activities:
Where relevant, activities should build and expand on the results of past and ongoing EU-funded projects and initiatives, for example projects funded by the co-funded partnership “Water4All”, with focus on groundwaters, to share experiences, reach synergies and avoid duplication.
Proposals are encouraged to combine inter-disciplinary expertise and integrate perspectives from different governance levels.
Concrete efforts should be made to ensure that the data produced in the context of the funded project is FAIR (Findable, Accessible, Interoperable and Re-usable), exploring workflows that can provide “FAIR-by-design” data, i.e., data that is FAIR from its generation. Possibilities offered by the European Open Science Cloud (EOSC) and by relevant European research infrastructures including the Catalogue of Life (COL), DiSSCo, LifeWatch ERIC, eLTER and MIRRI-ERIC (and any other relevant research infrastructure prioritised by the European Strategy Forum on Research Infrastructures (ESFRI)[5]) to store and give access to research data could be considered where relevant.
Proposals should foresee appropriate resources to ensure close cooperation with the EC Knowledge Centre for Biodiversity (KCBD) and its Science Service. The research actions are expected to yield valuable new insights and data, supporting and informing future assessments by IPBES.
The JRC can provide estimates of groundwater recharge and contribution of groundwater to streamflow, based on continental scale hydrological modelling, and consider testing the methods developed in the project, for the purposes of continental scale assessment of groundwater-dependent ecosystems.
International cooperation with Mediterranean countries is encouraged.
The EC is impact-driven: proposals must show how the project will:
Solve a major European or global societal challenge
Deliver measurable, lasting benefits for EU citizens
Produce outputs that can be used by policymakers, industry, or society
Align with Horizon Europe missions, priorities, and strategic agendas
Predictor: Clear, quantifiable, EU-level impact → strongest scoring factor.
Successful proposals show:
2–4 well-defined objectives linked to the Work Programme call text
Clearly articulated research questions or innovation goals
Logical, realistic expected outcomes and deliverables
Feasible scientific and technical approaches
Predictor: Balanced ambition + feasibility.
For RIA/IA/CSA or ERC-level grants, reviewers expect:
High novelty and innovation
Strong grounding in current state-of-the-art
Clear advancement beyond existing approaches
Solid theoretical or experimental foundations
Robust methodological design
Predictor: Scientific excellence is essential for competitive scoring.
EC proposals are consortium-driven (except ERC/EIC Accelerator).
High-scoring consortia:
Cover all needed competencies (science, industry, policy, ethics, dissemination)
Include SMEs, industry partners, NGOs, and public bodies when relevant
Are geographically diverse across EU Member States and Associated Countries
Demonstrate strong leadership and communication structures
Predictor: Well-constructed consortium with clear roles.
Evaluators look for a credible trajectory showing:
How research leads to specific outputs (data, tools, prototypes)
How outputs lead to uptake or use
How use produces societal, economic, scientific, or policy impact
Strong Key Performance Indicators (KPIs) and impact metrics
Predictor: Clearly mapped impact pathway.
Winning proposals have:
Well-designed Work Packages (WPs) with clear scope and responsibilities
Interdependencies identified and risk-mitigation strategies
Detailed milestones and deliverables
Feasible budget aligned with tasks
Strong project management plan
Predictor: High implementation quality boosts the “Excellence” and “Implementation” scores.
Especially critical for health, climate, digital, and social calls.
Proposals score higher when they link to:
EU Cancer Mission
EU Green Deal
Digital Europe strategy
EU Biodiversity Strategy
EU Health Union & One Health
Open Science & FAIR data mandates
Predictor: Clear alignment with EU policies.
EC values inclusivity:
Patient groups
Civil society organizations
Public sector bodies
Regulatory agencies
Citizen science components
Stakeholder letters of intent or commitment strengthen credibility.
Predictor: Engagement adds impact and relevance.
Mandatory components include:
FAIR Data Management Plan
Open access publications
Ethics self-assessment
GDPR compliance
Data security, governance, and ethical approvals
Animal-use reduction and justification (if applicable)
Predictor: Clear compliance with ethical and data obligations.
Budget must be:
Proportional to tasks
Transparent and reasonable
Efficiently distributed among partners
Free from padding or unjustified costs
Predictor: Realistic budgets improve Implementation scores.
| Pitfall | Why It Fails |
|---|---|
| Weak connection to Work Programme text | Immediate score reduction |
| Vague or generic impact statements | Poor Impact score |
| Overly ambitious, unrealistic scope | Feasibility concerns |
| Poorly structured consortium | Low Implementation score |
| No policy relevance | Weak strategic alignment |
| Lack of concrete KPIs or outcomes | Impact unclear |
| Weak data or ethics plan | Eligibility/score penalties |
| No exploitation or dissemination plan | Insufficient impact credibility |
| Budget misalignment | Reviewer distrust |
General conditions
1. Admissibility Conditions: Proposal page limit and layout
described in Annex A and Annex E of the Horizon Europe Work Programme General Annexes.
Proposal page limits and layout: described in Part B of the Application Form available in the Submission System.
2. Eligible Countries
described in Annex B of the Work Programme General Annexes.
A number of non-EU/non-Associated Countries that are not automatically eligible for funding have made specific provisions for making funding available for their participants in Horizon Europe projects. See the information in the Horizon Europe Programme Guide.
3. Other Eligible Conditions
The Joint Research Centre (JRC) may participate as member of the consortium selected for funding as a beneficiary with zero funding, or as an associated partner. The JRC will not participate in the preparation and submission of the proposal
Sponsor Institute/Organizations: European Commission
Sponsor Type: Government/Federal
Address: Berlaymont Building, Rue de la Loi 200, 1040 Brussels
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Sep 17, 2026
Sep 17, 2026
$5,000,000
Affiliation: European Commission
Address: Berlaymont Building, Rue de la Loi 200, 1040 Brussels
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