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.
Timothy Wilson (Former Employee)
Science and Products
USGS on the Road: Doing Well in DC
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.
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.
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.
Science and Products
USGS on the Road: Doing Well in DC
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.
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.
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.
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.