WaterWatch -- Current Water Resources Conditions

Current Maps/Graphs:
Flood Watch:
Drought Watch:
Recent/Historical Maps/Graphs:

WaterWatch -- Past streamflow conditions

Map of computed historical runoff for hydrologic units (United States)

Time Period :
Map:
  Year:  
  Month:
 
help
View mode:

Explanation -- Percentile Range
               
Lowest  < 10 10 - 24  25 - 75 76 - 90 >90 Highest No data
Explanation -- Runoff in mm
                   
Annual 0 - 49 50 - 99 100 -199 200 - 299 300 - 399 400 - 499 500 - 749 750 - 999 >1000
Month 0 - 4 5 - 9 10 -19 20 - 29 30 - 39 40 - 49 50 - 74 75 - 100 >100

Statistics of long-term annual water-year runoff by huc-8 are available.

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://water.usgs.gov/waterwatch
Page Contact Information: Contact USGS
Page Last Modified: Thursday, January 15, 2009