ITT Residential & Commercial Water, along with foundation partner ITT Watermark, is seeking solutions to the problem of educating illiterate populations about the importance of purifying drinking water, offering a $5,000 prize for the best idea.

Issued through InnoCentive, an independent organization dedicated to connecting answer “Seekers” with problem “Solvers,” the “Ideation Challenge” is open to participants from any discipline or background. It will run until April 27. The winning solution will be announced in May.