These resources are brought to you by the Cooperative Extension System and your Local Institution
eXtension is an interactive learning environment delivering the best, most researched knowledge from the smartest land-grant university minds across America.
eXtension: more mind reachHave a question? Try asking one of our Experts
There is no good answer. Crayfish chimneys in lawns are associated with a high water table or heavy, low-lying soils around ponds and streams. Problems are worse in wet seasons or years. Anything that reduces soil moisture or water retention, such as draining and tiling, may help. In areas with a high water table, there is not an alternative.
There are no pesticides registered for crayfish control because of concerns about ground water contamination.
Unlike most other resources on the web, we have experts from Universities around the country ready to answer your questions.
