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Comite River Diversion Canal Project

Posted on 1/8/23 at 6:09 pm
Posted by oldskule
Down South
Member since Mar 2016
15476 posts
Posted on 1/8/23 at 6:09 pm


Any posters here knowledgeable about the net effect on flooding on the downstream Amite River bottomland?

Certainly, it has to help some, just curious if there are any predictable flood level comparisons before and after this project is complete....now late 2025.

TIA
This post was edited on 1/8/23 at 7:29 pm
Posted by goofball
Member since Mar 2015
16867 posts
Posted on 1/8/23 at 6:13 pm to
It will help. But it’s biggest impact will be on Central, Zachary, and Baton Rouge.

We need to get the Darlington Reservoir built.
Posted by Indefatigable
Member since Jan 2019
26434 posts
Posted on 1/8/23 at 6:15 pm to
Is this the one with a set-aside appropriation from 30 years ago and in traditional LA fashion still hasn’t been built?
Posted by Indefatigable
Member since Jan 2019
26434 posts
Posted on 1/8/23 at 6:16 pm to
quote:

We need to get the Darlington Reservoir built.

I’m sure some loser state rep has an uncle whose land that would impact, so nah.
Posted by SuperSaint
Sorting Out OT BS Since '2007'
Member since Sep 2007
140462 posts
Posted on 1/8/23 at 6:29 pm to
Pro tip: dong invest in bottomland unless it's used for hunting
Posted by fightin tigers
Downtown Prairieville
Member since Mar 2008
73681 posts
Posted on 1/8/23 at 6:31 pm to
Been decades since I had heard, but it seems like it was 1-2' @ Port Vincent when I researched years ago.
Posted by KLSU
Baton Rouge
Member since Sep 2003
10307 posts
Posted on 1/8/23 at 6:41 pm to
quote:

We need to get the Darlington Reservoir built


Would have been so great to have a reservoir that close to BR for fishing, boating, tourism, but mainly flood control.

Unfortunately, I think if it was going to happen it would have 30 years ago when price of real estate was still affordable.
Posted by Shaun176
Baton Rouge
Member since Aug 2008
2465 posts
Posted on 1/8/23 at 6:48 pm to
They said 2 feet in Denham Springs when they were selling it.
Posted by saint tiger225
San Diego
Member since Jan 2011
35541 posts
Posted on 1/8/23 at 6:54 pm to
quote:

Unfortunately, I think if it was going to happen it would have 30 years ago when price of real estate was still affordable.
Everyone who doesn't or wishes they had invested in a certain piece of land always says this 30 years later if it's anywhere remotely decent.
Posted by johnnyrocket
Ghetto once known as Baton Rouge
Member since Apr 2013
9790 posts
Posted on 1/8/23 at 7:09 pm to
They been talking about this since the flood of 1982.

One of the floods I came back to visit some friends.l to go fishing. The rain canceled our trip.

He lived in off Cherryl Drive which is the last neighborhood before Comite River on Greenwell Springs Road. Time period was the late 70’s or early 80’s.

We setup lawn chairs, got a cooler of beers, fixing to cook some steaks, and watched the water rise at first. Then it would not stop rising, so the joke was over and we got out of the neighborhood fast.
Posted by Macfly
BR & DS
Member since Jan 2016
8086 posts
Posted on 1/8/23 at 7:12 pm to
Our local friendly politicians can hang their hat on it to further their credibility, but the Corps will do what they will do at their own speed, which is next to geologic and legal time.
Posted by GeauxElliott
Louisiana
Member since Jun 2007
3695 posts
Posted on 1/8/23 at 7:21 pm to
link doesn't work.
Posted by tossedoff
LP
Member since May 2009
1520 posts
Posted on 1/8/23 at 7:24 pm to
One of two things that Jackson has that is better than BR...the Barnett Reservoir (for recreation and flood control) and planned suburbs (see Madison).
Posted by johnnyrocket
Ghetto once known as Baton Rouge
Member since Apr 2013
9790 posts
Posted on 1/8/23 at 9:02 pm to
Years ago when Edwin Edwards was in office I thought they did a study to do the Darlington Reservoir.



Posted by doubleb
Baton Rouge
Member since Aug 2006
36053 posts
Posted on 1/8/23 at 9:33 pm to
Local property owners there fought the project tooth and nail. They stifled all momentum and flood mitigation was limited to the Comite Diversion.
Posted by Cycledude
Member since Jul 2018
1718 posts
Posted on 1/8/23 at 10:42 pm to
Progress had pretty much stalled until the big flood of 2016. That kick started it back up and a lot of progress has been made since then. Lots of Federal dollars helped. I’m just guessing, but I think it’s about 80% completed.
Posted by The Boat
Member since Oct 2008
164168 posts
Posted on 1/8/23 at 10:45 pm to
It won’t do nearly enough for how hard they tout it. They act like it’s a cure all.
Posted by GFunk
Denham Springs
Member since Feb 2011
14966 posts
Posted on 1/8/23 at 11:20 pm to
The reason Denham and Northern LP Flood is because Comite’s capacity rises incredibly quickly. At the confluence of the Comite and Amite-right at the Amite River Bridge on Hwy 190/Florida Boulevard, when the Comite elevates, it essentially disallows the Amite North of the confluence to continue to properly drain.

This creates huge upstream issues through Denham, Watson and the area that drains into the Amite on both the EBR and LP side.

The Comite Diversion-when it’s finished-will divert water in sufficient amounts North of the confluence to the MS River that levels at the confluence will remain low enough for the Amite River to drain properly and reducing flooding significantly.

To my knowledge, it will not impact drainage in Port Vincent, French Settlement, etc. I’m not an Engineer, but even though flow will be reduced in the Comite, the Amite will still drain South to Port Vincent and the Lake. It will however potentially reduce the length or duration of elevated water levels and therefore reduce flooding in a different sense.

The USACE controls progress in a major way. State agencies have handled coordination on things like right of way access, utility relocation, and railroad discussions, etc. But unlike the multiple decades this project sat buried with USACE, it is moving forward with construction. Progress is being made.

It won’t be done tomorrow. Every day until it’s completed is a day it can’t provide the benefits it’s promised. But it’s much, much closer now than it’s ever been. For those who can remember the 1983 and 2016 Floods, that’s good news.
Posted by Tigerbythetale
Las Vegas
Member since Aug 2014
1458 posts
Posted on 1/9/23 at 4:22 am to


When originally planned we could have had ten guys with shovels actually work on it every day and it would long since been completed.
Posted by windmill
Prairieville, La
Member since Dec 2005
7018 posts
Posted on 1/9/23 at 4:36 am to
When originally planned we could have had ten guys with shovels actually work on it every day and it would long since been completed."

I understand your point;however, the project is massive. It is unfortunate that the reservoir at Darlington is not being done. Damned unfortunate.
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