Opportunity Information: Apply for G25AS00340
This opportunity (Funding Opportunity Number G25AS00340) is a USGS-issued cooperative agreement aimed specifically at partners affiliated with the Great Rivers Cooperative Ecosystem Studies Unit (CESU). It is being offered through the USGS Central Midwest Water Science Center and is focused on advancing regional water-availability assessments for the Illinois River Basin (ILRB). The ILRB is defined here as the watershed upstream of the Mississippi River confluence at Grafton, Illinois, and it has been selected as a Midwestern regional basin for the USGS Integrated Water Availability Assessments (IWAAs), with particular attention on nutrient-related problems and harmful algal blooms (HABs). The larger USGS goal behind IWAAs is to build stakeholder-driven capabilities that provide near real-time accounting and prediction of water availability for both human needs and ecological health across regional and national scales, where "water availability" is understood broadly to include not just the amount of water, but also its timing, quality, and how it is used.
The funded work is meant to be collaborative, pairing USGS scientists with a CESU-affiliated partner to support both local and basin-wide assessment needs. The specific research emphasis is on an existing Illinois River Basin groundwater model built in MODFLOW 6. The project is expected to support finalizing and publishing that initial groundwater flow model, and then extending its application to simulate subsurface nitrate. In practice, that points to work that strengthens the scientific foundation for understanding groundwater contributions to nutrient loading and related water-quality outcomes, which connects directly to the basin focus on nutrients and HABs. Because these regional assessments are also intended to serve as "reference basin" efforts, the outputs are meant to feed into broader USGS capacity building, helping improve how integrated assessment and prediction tools are developed and applied nationwide, in coordination with the USGS Integrated Water Science (IWS) Basin planning process.
Administratively, this is a discretionary funding opportunity under a cooperative agreement mechanism, categorized under Science and Technology and other Research and Development, with CFDA number 15.808. Eligibility is limited to entities that are participating partners in the Great Rivers CESU Program (listed under "Eligible Applicants: Others," but constrained by the CESU partnership requirement). The posted award ceiling is $50,000, and the opportunity listing does not specify a set number of expected awards. The opportunity was created on 2025-08-08, and the original closing date is 2025-09-08.Apply for G25AS00340
- The Geological Survey in the science and technology and other research and development sector is offering a public funding opportunity titled "Cooperative Agreement for affiliated Partner with the Great Rivers Cooperative Ecosystem Studies Unit (CESU)" and is now available to receive applicants.
- Interested and eligible applicants and submit their applications by referencing the CFDA number(s): 15.808.
- This funding opportunity was created on 2025-08-08.
- Applicants must submit their applications by 2025-09-08. (Agency may still review applications by suitable applicants for the remaining/unused allocated funding in 2026.)
- Each selected applicant is eligible to receive up to $50,000.00 in funding.
- Eligible applicants include: Others.
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