Meramec River Gage - Arnold, MO
Posted by: 
Wampa-One
N 38° 27.479 W 090° 21.620
15S E 730325 N 4259931
Corps of Engineers gage on the St. Louis County side of the Highway 61-67 bridge over the Meramec River.
Waymark Code: WM51WV
Location: Missouri, United States
Date Posted: 10/27/2008
Views: 13
Meramec River at Arnold, MO
Stream Name: Meramec
Gage Zero: 373.21 Ft. NGVD 1929
Flood Stage:24 Ft.
Record High Stage:45.3 Ft. Longitude: -90.36055556
Latitude: 38.45666667
River Mile: 6.0 miles above the mouth of the Meramec River
Record High Stage Date: 08/01/1993
Drainage Area : 3930.00 Mi2
Location of Gage :
At the St. Louis Jefferson County Line, on US route 61-67, on downstream side of center pier at mile 6.0.
This gage is owned and operated by the St. Louis District, Corps of Engineers. Maintained in conjunction with the U.S. Geological Survey.
~ from Rivergages.com (
visit link)
As Arnold is the furthest gage downstream before the Meramec drains into the Mississippi, it is normally the last to crest during flooding. Often the flooding is caused more by the Mississippi River backing up into the Meramec rather than by drainage of the Meramec's basin.