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NWISWeb Tutorial How to access real-time water-quality data in your watershed |
Start at http://waterdata.usgs.gov (link opens in a new window) Step 1
Step 2
NOTE: Real-time water-quality data are currently not available in every state. Historical data are available, however. See Step 3 below. Step 3
You will get a list of stations, identified by name and number, where water quality is continually monitored. Also listed are current water-quality data from these stations. Typical data include pH, specific conductance, water temperature, and dissolved oxygen. What do these measurements mean? Some states currently have few or no stations with real-time water-quality data. Also note that ground-water stations may be included on this page. More water-quality data are in the historical water-quality database. Step 4
Step 5
You will get a graph like the one below, which shows 7 days of water
temperature data from this station on the Colorado River in Arizona: Step 6
I want historical water-quality data.
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