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re: Other ways to Fix the Pending Situation on Saltwater in the Lower Mississippi River

Posted on 9/22/23 at 11:02 am to
Posted by Tarps99
Lafourche Parish
Member since Apr 2017
12722 posts
Posted on 9/22/23 at 11:02 am to
quote:

Yes. Morgan City and surrounding areas pull water from the river and its tributaries. If they diverted the flow to the Mississippi we would have devastating saltwater intrusion in one of the only places in this state that is making land. Wouldn't be good.


I doesn’t need to be a complete diversion, it is a temporary reduction. Also, the Atchafalaya gets all the water from the Red River system which is probably pretty low too.

But with the water already low, any impacts to shipping in Morgan City are already being felt and they are constantly dredging to keep that open regardless of flow at times. With the low levels of flow no land is being built because the sediment will drop out before reaching the delta.

Portable Water could be a different story, I am not sure where the intakes for Berwick and Morgan City are and how much of a salt water wedge there is in the Atchafalaya. Maybe a sill can be built there too. There should be plenty of fresh water in the basin to last the region for a few weeks or months until we gets some rain in SELA or in the Midwest.
This post was edited on 9/22/23 at 11:05 am
Posted by TigerAllNightLong
Member since Jul 2023
1161 posts
Posted on 9/22/23 at 11:34 am to
quote:

New Orleans area is in a panic

I thought it was already understood that you don’t drink tap water in NOLA.
Posted by danilo
Member since Nov 2008
25743 posts
Posted on 9/22/23 at 11:42 am to
quote:

I thought it was already understood that you don’t drink tap water in NOLA.

Been doing it for decades. Ain’t dead yet, ya heard me

quote:

Right now the New Orleans area is in a panic

Meh. I am not too worried about it
This post was edited on 9/22/23 at 12:49 pm
Posted by Mr. Curious
Chocolate City
Member since Aug 2004
789 posts
Posted on 9/22/23 at 11:59 am to
Just got back from Costco in New Orleans. Mass hysteria going on. Everyone leaving the store had multiple cases of water. I was unable to find a parking spot so I left after trying for about 20 minutes.
Posted by DWaginHTown
Houston, TX
Member since Jan 2006
10204 posts
Posted on 9/22/23 at 12:05 pm to
Everyone in New Orleans should just flush at the same time.
Posted by CHEDBALLZ
South Central LA
Member since Dec 2009
23251 posts
Posted on 9/22/23 at 12:25 pm to
If the saltwater is heavier and is on the bottom, why not make the intakes for the water plant float on top the water column?
Posted by elprez00
Hammond, LA
Member since Sep 2011
31554 posts
Posted on 9/22/23 at 12:27 pm to
quote:

Well the interest is up and the stock market's down

And you definitely only get mugged if you go downtown.
Posted by Tarps99
Lafourche Parish
Member since Apr 2017
12722 posts
Posted on 9/22/23 at 12:30 pm to
quote:

If the saltwater is heavier and is on the bottom, why not make the intakes for the water plant float on top the water column?


I thought of that a few weeks ago when it was just impacting Venice.

They probably do this to not catch the surface water that may have more contamination. Things like crude oil will float on water so it is probably better to have the intakes lower.
Posted by Icansee4miles
Trolling the Tickfaw
Member since Jan 2007
32260 posts
Posted on 9/22/23 at 12:32 pm to
Water intakes are low so they don’t suck air during low river levels and to avoid affecting navigation. Most of the plants water intakes come off of, or are near, their docks.
Posted by bbarras85
Member since Jul 2021
2409 posts
Posted on 9/22/23 at 12:40 pm to
quote:

Water intakes are low so they don’t suck air during low river levels and to avoid affecting navigation. Most of the plants water intakes come off of, or are near, their docks.


This and I would be willing to bet money that water higher up in the column is harder to treat. Warmer, more algae. I would have to ask my dad. He has been a plant manager for 30 years.
Posted by Roux57
Da Boot
Member since Jul 2021
224 posts
Posted on 9/22/23 at 12:43 pm to
It can absolutely be closed. Lift gates are moved via track mounted gantry cranes on each side of the structure.
Posted by Roux57
Da Boot
Member since Jul 2021
224 posts
Posted on 9/22/23 at 12:46 pm to
but that being said, the likehood of them damming it off is very slim to none. Likely very minimal flow through the structure right now anyways. The Auxillary structure a little further downstream is likely closed first.
Posted by jaytothen
Member since Jan 2020
8690 posts
Posted on 9/22/23 at 12:50 pm to
quote:

Well the interest is up and the stock market's down


This country boy can survive.

I get my water from Costco.
Posted by OvertheDwayneBowe
Member since Sep 2016
3527 posts
Posted on 9/22/23 at 1:02 pm to
quote:

What did people do back in 1988 when this happened?


Regulations on what is considered safe drinking water are drastically stricter now. The lead and copper restrictions didn't start on a federal level until the 90s.
Posted by BurlesonCountyAg
Member since Jan 2014
4921 posts
Posted on 9/22/23 at 1:03 pm to
I think the most obvious thing we can do is mask up.
Posted by Penske File
Member since Jul 2019
213 posts
Posted on 9/22/23 at 1:06 pm to
I just like that we learned a new term. Salt water wedge.
Posted by RedPop4
Santiago de Compostela
Member since Jan 2005
15295 posts
Posted on 9/22/23 at 1:30 pm to
We are in a panic because it's one of the few things the news stations have to report. As usual, media is whipping up a good eco-frenzy.
Posted by supadave3
Houston, TX
Member since Dec 2005
32176 posts
Posted on 9/22/23 at 1:40 pm to
quote:

And you definitely only get mugged if you go downtown.


bullshite. You can get mugged in your own living room in NOLA
Posted by danilo
Member since Nov 2008
25743 posts
Posted on 9/22/23 at 1:43 pm to
quote:

Don't panic
New Orleans and Jefferson Parish leaders say water is safe to drink, and any potential risk to the supply is likely weeks away.

Trust your government officials!
Is my water about to get salty? 3 things to know about saltwater invading the Mississippi River
Posted by MrLSU
Yellowstone, Val d'isere
Member since Jan 2004
29741 posts
Posted on 9/22/23 at 1:45 pm to
quote:

upon further review the ORCS seeks to maintain a 70-30 split of the Mississippi flow at that point 70 down the miss Channel and 30 of the flow through the low sill and down the atchafalaya


This is a fluctuation average over the course of the year from what I understand. It does fluctuates depending on the water levels.
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