USGS Home
Contact USGS
Search USGS
National Water Information System: Web Interface
USGS Water Resources
Data Category:
Home
Real-time
Site Information
Surface Water
Ground Water
Water Quality
Geographic Area:
United States
Alabama
Alaska
American Samoa
Arizona
Arkansas
California
Colorado
Connecticut
Delaware
Dist. of Columbia
Florida
Georgia
Guam
Hawaii
Idaho
Illinois
Indiana
Iowa
Kansas
Kentucky
Louisiana
Maine
Maryland
Massachusetts
Michigan
Minnesota
Mississippi
Missouri
Montana
Nebraska
Nevada
New Hampshire
New Jersey
New Mexico
New York
North Carolina
North Dakota
Northern Mariana Islands
Ohio
Oklahoma
Oregon
Pennsylvania
Puerto Rico
Rhode Island
South Carolina
South Dakota
Tennessee
Texas
Utah
Vermont
Virgin Islands
Virginia
Washington
West Virginia
Wisconsin
Wyoming
News:
Recent changes
Parameter Code Definition
Retrieve definitions of parameter codes and parameter groupings.
Search Criteria
Parameter groupings
-- List all parameters in a group
All -- include all parameter groups
Information
Biological
Nutrients
Organics
Major Inorganics
Minor and Trace Inorganics
Physical Property
Radiochemicals
Sediment
Stable Isotopes
Taxonomic enumeration
Other
Parameter code/name
-- Enter a code or name
Choose output format
Parameter code information displayed in
table format
tab-separated format
--saved to file
--saved to compressed file
Select fields to include with the parameter code output
Group the parameter code is associated with
Text description of the parameter code (170 char max)
Questions about sites/data?
Top
Feedback on this web site
Explanation of terms
Subscribe to NWISWeb notifications
Automated retrievals