The Heinz Center's State of the Nation's Ecosystems
ecosystem: Farmlands
indicator Name: Pesticides in Farmland Streams and Groundwater:occurrence
page # in printed report: 97
location on page: top
data source: U.S. Geological Survey National Water Quality Assessment Program (NAWQA). Coverage: lower 48 states. Note: aquatic life standards are not currently applied to groundwater
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:% of sites with indicated numbers of pesticides detected
Farmland Streams
  1992-1998 Future
none detected 0  
1 or 2 8.1  
3 or 4 18.4  
5 or more 73.5  
Farmland Groundwater
  1992-1998 Future
none detected 39  
1 or 2 29  
3 or 4 21.4  
5 or more 10.6