The two gages below are on separate tributaries upstream of Indian River and Woronoco; the inflow includes the sum of both plus a third tributary, which is the outflow from the Army Corps of Engineers' Littleville Lake:
![USGS Water-data graph for Westfield River at Knightville, Massachusetts](http://waterdata.usgs.gov/nwisweb/graph?site_no=01179500&parm_cd=00060)
![USGS Water-data graph for West Branch Westfield River at Huntington, Massachusetts](http://waterdata.usgs.gov/nwisweb/graph?site_no=01181000&parm_cd=00060)
The gage below is on the Westfield River downstream of Woronoco:
![USGS Water-data graph for Westfield River near Westfield, Massachusetts](http://waterdata.usgs.gov/nwisweb/graph?site_no=01183500&parm_cd=00060)