USGS Frequently Asked Questions

FAQ's about Environment

Where does our household water go after we are done with it?

Why can't we use zebra mussels' filtering abilities to our advantage by using them to help clean our water? Are they edible? Can zebra mussels be of benefit to humans in any way?

Why do animals become endangered?

What elements are harmful to living organisms and how do they get into our environment?

I read in the paper that frogs and toads are becoming scarce and that many of them have extra legs and other deformities. Is this a sign of disease that is causing them to die?

Why are some lakes I see full of algae and thick plants?

What is Radon?

What is the U.S. Geological Survey's responsibility related to mining and the environment?

What is mine drainage?

Where can I obtain information about radon in my area?

What problems are associated with mine drainage?

How does mine drainage occur?

Is it true that water coming out of sewage treatment plants is used for other purposes?

Are there regulatory limits for safe levels of elements in our environment?

What can be done to prevent or clean up mine drainage?

Could you provide me with information on the problems in the Salton Sea?

Should I be concerned about radon in my house?

Why is radon considered a health hazard?

What should I do if tests show elevated radon levels in my home?

How does radon get into buildings?

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