|
The Heinz Center's State of the Nation's Ecosystems
|
| ecosystem: |
Core National Indicators |
| indicator Name: |
Chemical Contamination:Occurrence |
| page # in printed report: |
48 |
| location on page: |
na |
| data source: |
U.S. Geological Survey National Water Quality
Assessment (NAWQA) Program. Coverage: lower 48 states |
| notes: |
please see technical notes for further
details on accessing these data from their original source; this data
table comes from a specific graphic in The State of the Nation's Ecosystems
report (www.heinzctr.org/ecosystems) |
| |
| units: |
Percent of stream sites with indicated number
of contaminants detected |