Selected Sources of Data on Watersheds

Alex Mayer

Great Lakes Watershed Investigations Summer Teacher Institute

June 25-29, 2012


A.      Surf Your Watershed

1.       Find your watershed

a.       Pick your geographic unit

b.      Enter your geographic information

c.       Or choose a state and “zoom” in

Note that watershed units are Hydrological Unit Code 8 (HUC-8)

For more information on HUCs, see

Description: imagemap


2.       Citizen-based Groups at work in this watershed

3.       Water quality monitoring data from this watershed (Provided by STORET)

4.       Environmental Websites Involving this Watershed

5.       Assessments of Watershed Health

a.       Impaired Water for this watershed

                                                               i.      Listed Waters Summary

·         Listed waters ® Click on map ® My WATERS Mapper

                                                             ii.      Causes of Impairment

                                                            iii.      Cumulative TMDLs by Pollutant

6.       Information provided by the United States Geological Survey (USGS) Exit EPA Disclaimer

a.       Stream Flow (Source: USGS)

                                                               i.      Station Number

·         Discharge; other parameters

·         Graph; Graph w/ stats; Table

·         Begin date/End Date

·         Station location information and 2010 data link

7.       Science in Your Watershed

·         Lots of stuff

8.       Water use data (1985-2000[2005!])    Selected USGS Abstracts Water Quality Data (date- and point-wise)

a.       Estimated Use of Water in the United States in 2005

                                                               i.      Download 2005 data for counties or selected watersheds

·         [HUC-8 Watersheds] Data Files ® State ® Excel File ®

·         Complied by county for 2005 ® State ® Excel File ®

·         Data Dictionaries: Appendix 1B

9.       Selected USGS Abstracts

a.       Educational Resources

b.      Lots more stuff


B.      NWIS (USGS) Tutorial

1.       What is my watershed address, and how will it help me find USGS data?

a.       How can my watershed address help me find USGS data?

                                                               i.      Same as in Surf Your Watershed

                                                             ii.      Lots of other good stuff, including Watershed Academy Web

2.       How to access streamflow data

a.       Current Conditions

b.      Observe conditions as percentiles, then click on Daily Streamflow Conditions map

                                                               i.      Discharge; other parameters

c.       Groundwater [!]

                                                               i.      Field Measurements

·         Groundwater levels for the Nation ® State/Territory ® Show sites on a map

3.       How to access water-quality data

a.       Current Conditions

b.      State (scroll to State)

c.       Station Number

                                                               i.      Parameters



C.      National Climatic Data Center (NCDC)

1.       Go to map application

a.       Hourly Global

                                                               i.      Zoom in on site

                                                             ii.      Hand icon shifts map

                                                            iii.      “i” icon selects station

                                                           iv.      Click checkbox (on left hand side) to access data for station; Click Get Selected Data (lower right hand side)

                                                             v.      Simplified

                                                           vi.      Select Date Range

                                                          vii.      Continue

                                                        viii.      Links to data sent to email address


D.      Great Lakes water data: temperature, winds, currents: