Willow Creek Reservoir Water Quality Research and Evaluation Studies | Apply Online

Willow Creek Reservoir Water Quality Research and Evaluation Studies - FAQs

What is the Willow Creek Reservoir Water Quality Research and Evaluation Studies grant?

This is a targeted research and monitoring funding opportunity focused on improving water quality in Willow Creek Reservoir near Heppner, Oregon. The work is intended to build on prior studies and available datasets while adding new, high-quality field monitoring and analysis that can guide restoration planning for the reservoir and its upper basin.

Why is this project being funded now?

The reservoir has persistent, well-documented water quality problems, including severe cyanobacteria (blue-green algae) blooms, low dissolved oxygen, and elevated nutrient levels. These issues have led to recurring Oregon Health Authority public health advisories during the summer recreation season and are linked to fish kills, foul odors, and broader declines in ecological health and public enjoyment.

Is this project only about environmental research, or is there a public health purpose too?

It is framed as both an environmental study and a public health/community quality-of-life effort. Cyanobacteria blooms can produce harmful toxins that pose risks to people, pets, livestock, and wildlife. The notice also connects the work to recreation and tourism impacts and to protecting local natural resources.

Where is the project location?

The work centers on Willow Creek Reservoir near Heppner, Oregon, and includes consideration of restoration planning for the reservoir and its upper basin.

What are the main technical components of the work?

The opportunity is organized around four main research pillars: (1) empirical data acquisition and limnological analysis through consistent monitoring, including use of aeration as an experimental variable; (2) development of a whole-lake hydrodynamic model; (3) evaluation of mitigation strategies with attention to effectiveness and cost/benefit; and (4) knowledge dissemination and transparency through routine and annual reporting.

What does the monitoring and field data collection involve?

The notice describes monthly water sampling and in-place measurements of physical and chemical conditions in the reservoir. The intent is to track nutrient cycling, seasonal ecosystem changes, and long-term trends using consistent, high-resolution monitoring over time.

Are site visits simply for sampling, or do they include operational activities?

Site visits are explicitly not treated as simple maintenance trips. They are also used to operate and manage the reservoir aeration unit as an experimental variable. By adjusting aeration and observing outcomes, researchers can test how mechanically reducing thermal stratification influences internal nutrient loading and overall water quality.

What is meant by "limnological analysis" in this opportunity?

Based on the description provided, limnological analysis refers to studying the reservoir's physical and chemical conditions over time (including factors tied to nutrient cycling and seasonal ecosystem changes) using repeated sampling and in-place measurements.

What modeling is required under this grant?

The project calls for developing a whole-lake hydrodynamic model that integrates the monitoring data into a predictive tool. The model is intended to support simulations of "what-if" scenarios and forecasts of how water quality may respond to management approaches, environmental conditions, and operational decisions.

Who is expected to use the model results?

The modeling results are expected to inform the U.S. Army Corps of Engineers Portland District in future best management practices and dam operations. The model is also positioned as a broader scientific product that can be shared and applied to similar systems.

What kinds of "what-if" scenarios is the model intended to simulate?

The notice indicates the model will be used to simulate scenarios related to different management approaches, environmental conditions, and operational decisions, to help forecast potential water quality responses.

What mitigation strategies are included in the scope?

The opportunity includes evaluation of mitigation strategies, with an emphasis on determining what works best and what provides the greatest benefit for the cost. It specifically includes assessing performance of existing interventions such as the installed aeration system and water quality outlet operations, and also modeling or evaluating alternative approaches that could improve reservoir conditions.

How does the opportunity define successful mitigation approaches?

Based on the notice, strategies are intended to be both ecologically sound and practical, balancing effectiveness, feasibility, and public-interest outcomes such as safer recreation and reduced nuisance conditions (for example, odors and bloom-related impacts).

What reporting and communication products are expected?

The partner university is expected to provide routine communication products including monthly trip reports and a comprehensive annual report. The annual report is described as combining current results with historical data to create a clear record of reservoir conditions.

Why are the reporting requirements emphasized?

The reporting requirements are meant to ensure the data does not stay internal to agencies or researchers. Instead, the information is intended to become a community resource that supports public health protections, drinking water and recreational safety considerations, and locally driven restoration decision-making.

Does the opportunity mention specific water parameters tied to public health standards?

Yes. A key public benefit described is the provision of monitoring and reporting for water temperature and pH needed to help meet public health standards.

What is the funding mechanism for this opportunity?

This is a discretionary funding opportunity issued under a cooperative agreement by the U.S. Army Corps of Engineers Engineer Research and Development Center (ERDC).

What is the activity category for this opportunity?

The activity category is listed as science and technology and other research and development.

What is the opportunity number and CFDA association?

The opportunity number is W81EWF 26 SOI 0003, and it is associated with CFDA 12.630.

How much funding is available?

The award ceiling is $100,000.

How many awards are expected?

One award is expected.

What is the application deadline?

The application closing date is listed as July 9, 2026.

Who is eligible to apply?

Eligibility is restricted to non-federal partners of the Pacific Northwest Cooperative Ecosystems Studies Unit (CESU). That means applicants generally must be part of that cooperative research partnership framework rather than applying as an unaffiliated organization.

Can a non-partner organization apply if they are not part of the Pacific Northwest CESU?

Based on the information provided, eligibility is restricted to non-federal partners of the Pacific Northwest CESU, so an unaffiliated organization would not be eligible under the stated restriction.

What is the intended long-term value of the project outputs?

The notice positions the outputs as practical decision-support for restoration planning and reservoir management (including dam operations and best management practices), as well as a scientific product that can be shared, communicated in accessible formats, and potentially applied to similar systems.

What problems in the reservoir is the work trying to address?

The work targets severe cyanobacteria blooms, low dissolved oxygen, and elevated nutrient levels, which in turn are associated with public health advisories, fish kills, foul odors, and diminished ecological health and public enjoyment.

How does aeration factor into the research design?

The aeration unit is treated as an experimental variable. The project anticipates adjusting aeration and observing outcomes to test whether mechanically reducing thermal stratification influences internal nutrient loading and overall water quality.

How will results be shared with stakeholders and the scientific community?

The notice states that findings are expected to be communicated in accessible formats for both stakeholders and the scientific community, in addition to the routine monthly trip reports and the comprehensive annual report.