WPDGs provide eligible applicants an opportunity to conduct projects that promote the coordination and acceleration of research, investigations, experiments, training, demonstrations, surveys and studies relating to the causes, effects, extent, prevention, reduction and elimination of water pollution.
In 2023 there will be both a National WPDG RFA as well as a Regional WPDG RFA. The National RFA will be released soon (noted Feb 7, 2023) and the deadline here is a guess based on the timing of past year deadline. the Regional RFA will be announced in the next couple of months.