A paved foot path extends from the parking lot approximately 250 yards to a concrete wildlife viewing blind. Interpretive signs can be found along the path and inside the blind.
The uplands are primarily composed of pinyon-juniper woodland. Paper-spined cactus occurs in the area.
The marsh attracts many species of waterfowl, with several hundred utilizing the area during the spring migration period. Other birds commonly seen or heard in the spring and summer include Virginia rail, Sora, yellow-winged blackbirds and American coots. Peregrine falcons often are observed in the spring pursuing ducks.
Common mammals in the area include elk, mule deer and pronghorn.
Allen Severson management emphasis is to maintain a marsh ecosystem utilizing treated effluent, primarily for nesting, feeding and resting of waterfowl and other wetland and riparian associated birds and terrestrial wildlife species. Emphasis is also placed on providing hunting and educational opportunities for the public. Future management will focus upon water quality and expansion of flows to reach full marsh capacity.