USGS on the Road: Doing Well in DC
Detailed Description
How do we know if D.C. aquifers are protected from human contamination? The USGS samples groundwater for the presence or absence of specific chemical markers known to be of human origin. If we don’t find these markers, it’s a good indication the water is protected.
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Video is Public Domain. Some content is used with permission.
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USGS on the Road: Doing Well in DC (AD)
How do we know if D.C. aquifers are protected from human contamination? The USGS samples groundwater for the presence or absence of specific chemical markers known to be of human origin. If we don’t find these markers, it’s a good indication the water is protected.
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- Multimedia
USGS on the Road: Doing Well in DC (AD)
How do we know if D.C. aquifers are protected from human contamination? The USGS samples groundwater for the presence or absence of specific chemical markers known to be of human origin. If we don’t find these markers, it’s a good indication the water is protected.