| The Heinz
Center's State of the Nation's Ecosystems |
| ecosystem: |
Urban and Suburban Areas |
| indicator Name: |
Chemical Contamination:
Contaminant Occurrence in Urban/Suburban Streams |
| page # in printed
report: |
189 |
| location on page: |
upper |
| data source: |
Data Source: U.S. Geological
Survey, National Water Quality Assessment Program (NAWQA). Coverage:
lower 48 states. Note: Each sampling areas was sampled intensively
for approximately 2 years during 1992-1998. |
| 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) |