Risk of nitrate contamination in ground waters of the United States-- A national perspective
Entry ID: USGS_gwrisk

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Summary
Abstract: This map was designed to present patterns of risk for nitrate contamination at
large regional or national scales. Knowing where and what type of risks to
ground water exist can alert water-resources managers and private users of the
need to protect water supplies. By targeting regions with the highest risk of
nitrate contamination, resources can be directed to areas most likely to
benefit from ... View entire text
Geographic Coverage
Spatial coordinates   
  N: 48.63   S: 21.81   E: -64.44   W: -129.5

Data Set Citation
Dataset Originator/Creator: Nolan, B.T., Ruddy, B.C., Hitt, K.J., and Helsel, D.R.
Dataset Title: Risk of nitrate contamination in groundwaters of the United States-- A national perspective
Dataset Release Date: 1997-01-01
Dataset Release Place: Reston, Virginia, USA
Dataset Publisher: U.S. Geological Survey [Digital spatial data]
Version: 2
Data Presentation Form: Map
Other Citation Details: Environmental Science and Technology [Hard copy]
Online Resource: http://water.usgs.gov/lookup/getspatial?gwrisk
Temporal Coverage
Start Date: 1997-01-01
Stop Date: 1997-12-31
Data Resolution
Latitude Resolution: 1.0
Longitude Resolution: 1.0
Access Constraints None
Use Constraints None
Data Set Progress
COMPLETE
Originating Center
Data Center
Water Resources Maps and GIS Information, Water Resources Division, U.S. Geological Survey, U.S. Department of the Interior Supplemental Info
Data Center URL: http://water.usgs.gov/lookup/getgislist

Data Center Personnel
Name: KERRIE J. HITT
Phone: 703-648-6854
Email: kjhitt at usgs.gov
Contact Address:
U.S. Geological Survey
12201 Sunrise Valley Drive
City: Reston
Province or State: VA
Postal Code: 20192
Country: USA
Distribution
Distribution Media: ftp
Distribution Size: 2344333 bytes
Distribution Format: ArcInfo export format
Fees: No fees

Distribution Media: ftp
Distribution Size: 688538 bytes
Fees: No fees
Personnel
Role: DIF AUTHOR
Phone: 703-648-6854
Email: kjhitt at usgs.gov
Contact Address:
U.S. Geological Survey
12201 Sunrise Valley Drive
City: Reston
Province or State: VA
Postal Code: 20192
Country: USA
Publications/References
Nolan, B.T., and Ruddy, B.C., 1996, Nitrate in ground waters of the United
States--Assessing the risk: U.S. Geological Survey Fact Sheet FS-092-96,
Reston, Va. Available through the internet at URL:
http://pubs.usgs.gov/fs/1996/fs-092-96/fs092-96.html
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Extended Metadata Properties
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Creation and Review Dates
Last DIF Revision Date: 2011-07-01
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