Man brought this fish here to control mosquitos in ponds and lakes and it has since migrated into many other bodies of water. This fish eats the larvea of mosquitos floating on the surface of the water. There are too many hazards to recommend entering the water here. Hot springs discharge boiling water up through the sandy stream bottom. It is possible to walk across the bottom of the stream and accidently step directly into a boiling spring.
Swimmers can get serious burns on their feet and legs.
The chemical content of the water is not monitored. The last tests of the water in the early 1 980's indicated arsenic levels of 250 parts per million. The bacterial content of the water is not monitored, however, tests in the early 80's suggested that the water is subject to periodic high bacterial levels. Entering the water is not recommended but is noth'bit cf. Persons are not prohibited from entering the water but do so at their own risk after being informed, through signing, of the hazards present here.