According to the
IUCN the greatest threats to this species is pollution as well as residential and commercial development. In 1981 a pipeline broke causing ammonium fertilizer to leak into the
Maramec Spring, resulting in the death of thousands of individuals. According to the
Missouri department of conservation. Since the species is uncommon and has a limited range, it is therefore vulnerable to extirpation as well as
extinction. Keeping the groundwater clean is key to help the species survive. == References ==