Enter the USGS Station ID and this plugin provides you with river name, currently water level, graph and station url via a widget or shortcode.
Finding the USGS Station ID There are two ways to find the data you can either use the USGS Station Finding Site or use google (google is much easier).
To Find on Google
Shortcode Cookbook Note: # refers to the usgs id number
[river id='#'] Displays all of the information based on the configuration options set on the settings page. See “Settings” -> “River Options” to change.
[river id='#' config='#'] Enter in the optional configuration number (1,2,3) to use one the the three options.
[river_name id='#'] Displays the name of the station.
[river_level id='#'] Displays the current water level of the station.
[river_gage id='#'] Displays the current gage height in feet.
[river_station id='#'] Displays the URL of the station.
[river_graph id='#'] Displays the url of the image graph. Ex:
[river_gage_graph id='#'] Displays the url of the gage height graph. Ex: