The Potter is dredging the locations shown below to provide 12 feet of depth at LWRP (St Louis stage = -3.2 )
There won’t be 12 feet everywhere at that stage.
The system is designed to provide a nine foot channel at LWRP.
USACE STL 28 day forecast here: https://www.mvs-wc.usace.army.mil/trans/MvsInternalLongRangeRiverForecast.htm
Finish 173 this Saturday.
Mile 171 – 172: 31 Jul – 13 August.
Mile 167: 14-20 August.