USGS - Harvey High Water Marks

During and after Hurricane Harvey, the US Geological Survey recorded high water marks across southeast Texas, as they do for every major storm. The files in this dataset provide 2123 high water marks for Hurricane Harvey flooding, among 1258 sites. These files were downloaded following the steps below. If you'd like to check the original sources again, or search for HWM for a different storm, you may find these directions helpful.

Finding, Downloading and Filtering USGS High Water Marks (HWM)
1. Visit USGS website: https://water.usgs.gov/floods/history.html, which lets you…
2. Click on Hurricane Harvey: https://www.usgs.gov/harvey, which lets you…
3. Click on green button Get Data: https://stn.wim.usgs.gov/fev/#HarveyAug2017
4. In left margin menu of resulting page, click a second Get Data link. This will open up the remaining options below.
5. Click each data type you want, such as High-Water Mark, Peak Summary, or Sensor Data. It’s only csv or REST (json or xml).

* I downloaded the HWM as csv, opened in Excel, clicked the Sort & Filter tool in Excel toolbar, clicked Filter, then filtered on \"Harvey Aug 2017” in the popup list for column E (Event Name). I saved the result to a new spreadsheet which now has 2123 records, plus column labels in row 1.

* To understand the fields or columns of this table, see HWM_Peaks_Sensors_Data_Dictionary_20180329.xslx in the contents below.