trackerbacker
Well-known member
- Joined
- Jun 30, 2023
- Messages
- 464
How's the water level been?
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I hear people complain about it daily! It’s ticked up about 1/2 a foot this week.How's the water level been?
Putting in Friday pm/sat am south of gutterburg. 3-4 weeks ago she was low.I hear people complain about it daily! It’s ticked up about 1/2 a foot this week.
I hear people complain about it daily! It’s ticked up about 1/2 a foot this week.
Lansing has been between 6.0 and 6.5 all summer. It dipped below 6 briefly during the last heat wave. But those numbers have nothing to do with the depth of the river channel. For example, lynxville stage is currently at 612’ and Mcgregor is at 6.4’. The stage refers to datum or a fixed starting point. The datum for lynxville is sea level, so that means the river surface is 612’ above sea level.Correct me if I'm wrong but I think lansing tries to hold 9 ft?
Lansing has been between 6.0 and 6.5 all summer. It dipped below 6 briefly during the last heat wave. But those numbers have nothing to do with the depth of the river channel. For example, lynxville stage is currently at 612’ and Mcgregor is at 6.4’. The stage refers to datum or a fixed starting point. The datum for lynxville is sea level, so that means the river surface is 612’ above sea level.
9’ is how deep a fully loaded barge drafts so that is what depth the Army Corps maintains between the navigational buoys whether it’s through wing dams, lock and dams, dredging, or a combination of all 3. Some navigational
The navigational channel project began in 1865 on the Mississippi River when wing dams were built using willow mats and rock. The original wing dams were designed to bring the channel to 5’ deep as paddle wheelers were getting bigger and running aground. As ships continued to get bigger the wing dams were built up and finally the first lock and dam was built in Keokuk, Iowa in 1912. Today there are 29 dams from st Anthony falls to St. Louis. Many of the original wing dams are still in place today.