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Is the port of NOLA putting our water supply at risk?

Posted on 4/12/26 at 5:05 pm
Posted by chalmetteowl
Chalmette
Member since Jan 2008
54620 posts
Posted on 4/12/26 at 5:05 pm
From Ron Chapman, a columnist for the St. Bernard Voice

quote:

Is No One Listening???

Egypt has thrived for thousands of years for one reason…the Nile River. Were it not for that waterway flourishing the desert with fresh water the region would be sand. Fresh water is the elixir of life. Without it man cannot survive. Southeast Louisiana suffers from the same dependency.

This Easter Sunday the local city newspaper had an extended article on the United States Corps of Engineers struggling to prevent the salt waters of the Gulf of Mexico from traveling up the Mississippi River and polluting the fresh water intakes of St. Bernard, Orleans, and Jefferson parishes. Should that occur all human activities would be threatened. Salt water contamination would destroy nearly every enterprise that uses fresh water… homes, industry, businesses, hospitals, schools, government buildings, everything! It's the Corps duty to prevent this from happening.

The article goes to great lengths mentioning the contributing factors that generate the salt water infusion. The crevasses that drain water from the river slow it down. The forever dredging to deepen the river for shipping increases the problem. Sea level rise accelerates the process.

Building an underwater levee, a sill, fifty feet below the river's surface was deemed a temporary solution. Although intended to be used maybe once a decade it has now been used each of the past four years. This sill is a critical component for our regional security.

In 2023, the threat of salt water intrusion caused the corps to raise the sill to 30 feet below the surface. This will be done every time the river lacks volume and speed. Likely, this will remain a persistent problem and the consequences of failure are dire.

Which brings us back to the Louisiana International Terminal (LIT). No where in this research study was mention made of the impact of the LIT on saltwater intrusion. If the sill is at 30 feet and these large container ships draw 55 feet… who wins??? Must St. Bernard, Orleans, and Jefferson parishes endure the scourge of salt water? Or, will these massive container ships be refused access to enter the Mississippi River??

Will the entire livelihood of these three parishes be sacrificed so the Port of New Orleans can dock a ship?? Or, will reason finally prevail and the state realize that St. Bernard is NOT the best location for the LIT?

This is not just a St. Bernard issue, although many are disillusioned to believe that it is. This is a regional crisis. Since the LIT demands and its impact on salt water intrusion will impact three parishes, regional leadership must come together to discuss this issue. It is too important to just brush under the rug until a crisis arises.

Perhaps the St. Bernard Parish Council and President should initiate this discussion. Someone has to start the conversation. Leaders from all three parishes must confer. Residents and businesses throughout the region must be informed of the issue and be prepared to face its consequences if nothing is done.

How important is this? Imagine Egypt without the Nile River!
Posted by Nosevens
Member since Apr 2019
18851 posts
Posted on 4/12/26 at 5:23 pm to
Less water from Mississippi tributaries account for low flows and creeping water from the Gulf. Complain to that woke Mother Nature
Posted by SlowFlowPro
With populists, expect populism
Member since Jan 2004
474538 posts
Posted on 4/12/26 at 5:26 pm to
Wasn't da parish against the Mid-Barataria Sediment Diversion?

Which had many goals but one major one was...thwarting this very salt water intrusion?
Posted by HubbaBubba
North of DFW, TX
Member since Oct 2010
51542 posts
Posted on 4/12/26 at 5:29 pm to
quote:

Sea level rise accelerates the process.
Posted by Guntoter1
Baton Rouge
Member since Nov 2020
1675 posts
Posted on 4/12/26 at 5:29 pm to
quote:

How important is this?


Not important at all.
This is more green propaganda.
The river is not going anywhere.
Saltwater intrusion happens every time we go into a drought.
When the drought ends so will this panic attack to justify more taxes.
Posted by Kapitan
Belle Chasse
Member since Mar 2021
200 posts
Posted on 4/12/26 at 5:31 pm to
At the stage of the river now, saltwater intrusion isn’t an issue. When it gets below tow feet at the Carrollton gage, it can possibly become a problem. That’s only if it stays that low for an extended period. When that happens they build berms in the alliance area with a small channel for ocean going ships to pass. They’ve done this several times in the past 30 years.
Posted by Tarps99
Lafourche Parish
Member since Apr 2017
12467 posts
Posted on 4/12/26 at 5:43 pm to
quote:

Wasn't da parish against the Mid-Barataria Sediment Diversion?

Which had many goals but one major one was...thwarting this very salt water intrusion?


Actually the Mid Barataria would have worsened the saltwater intrusion problem because now you would have had as much as 75,000cfs leaving the river.


The saltwater issue is a depth issue. Most intakes are at the bottom of the river where the saltwater is. Salty seawater is heavier than freshwater that is at the surface. If they were able to raise the intakes closer to the surface. The saltwater wedge would be less of an issue or move the intakes farther up river with a freshwater pipeline along the river.

I know this sounds like a crazy idea and I know some people have floated it.


Why not build a Loop like facility on a platform about a mile offshore and connect it with barges or a railway bridge to bring the goods to the shore.
This post was edited on 4/12/26 at 6:03 pm
Posted by WizardSleeve
Louisiana
Member since Sep 2011
1953 posts
Posted on 4/12/26 at 5:50 pm to
When river flows are low and the saltwater wedge is a threat, just close the damn ORCS sending 30% of the MS to the Atchafalaya. We dont want that river water here anyway it’s ruined the acadiana coast. Only open the ORCS when rivers are at flood stage.

A true win win.
This post was edited on 4/12/26 at 5:51 pm
Posted by toratiger
susukino
Member since Aug 2008
3510 posts
Posted on 4/12/26 at 5:51 pm to
quote:

Sea level rise accelerates the process.



Better tell that to all the politicians moving to the coast. I see where the Statue of Liberty is now underwater.
Posted by G I Jeaux
off duty
Member since Aug 2009
2529 posts
Posted on 4/12/26 at 5:54 pm to
Great! I won't have to drive as far to go salt water fishing.
Posted by The Baker
This is fine.
Member since Dec 2011
20160 posts
Posted on 4/12/26 at 6:03 pm to
quote:


Wasn't da parish against the Mid-Barataria Sediment Diversion?

Which had many goals but one major one was...thwarting this very salt water intrusion?


The MBD would've exacerbated this issue and the wedge would've migrated upstream.

The corps also hated the diversion for navigation reasons, their dredging expenditure would've gone up in order to maintain the 50ft draft required for shipping from port to the birds foot.
This post was edited on 4/12/26 at 6:05 pm
Posted by The Baker
This is fine.
Member since Dec 2011
20160 posts
Posted on 4/12/26 at 6:08 pm to
quote:

just close the damn ORCS sending 30% of the MS to the Atchafalaya.


you'd overtop in BR and New Orleans without reaching flood stage
Posted by The Baker
This is fine.
Member since Dec 2011
20160 posts
Posted on 4/12/26 at 6:11 pm to
quote:

I know this sounds like a crazy idea and I know some people have floated it.


Why not build a Loop like facility on a platform about a mile offshore and connect it with barges or a railway bridge to bring the goods to the shore.


Besides Louisiana not being innovative enough, probably an entire host of reasons, including hurricanes...

Those ships also arent just going to the port... many are going to the chemical plants all the way up to BR to load up.
Posted by Tarps99
Lafourche Parish
Member since Apr 2017
12467 posts
Posted on 4/13/26 at 3:57 am to
quote:

Those ships also arent just going to the port... many are going to the chemical plants all the way up to BR to load up.


Could the river support a 55 foot draft without significant dredging all the way to Baton Rouge?

I know the river can get deep in some places. Isn’t it nearly 200 feet deep at the bend near the French Quarter?
This post was edited on 4/13/26 at 3:58 am
Posted by Kapitan
Belle Chasse
Member since Mar 2021
200 posts
Posted on 4/13/26 at 4:48 am to
No, it could not. There is trouble maintaining 50’ without dredging.
Posted by Chrome
Chromeville
Member since Nov 2007
13159 posts
Posted on 4/13/26 at 5:05 am to
It was during the 1980's when we had a really bad drought and the wedge came close to the water intakes in NO. It never came to that, and it would take a lot for it to happen now.
Posted by ibldprplgld
Member since Feb 2008
27734 posts
Posted on 4/13/26 at 6:45 am to
LIT is a generational life line for St. Bernard parish, a parish that is slowly dying. Once built it will increase the parish’s current tax revenues by over 60% with millions being allocated to roads, schools, and levees. It will also increase the total job availability in the parish by almost 40%.

Hearing some of the residents fuss about the noise and truck traffic is one thing, but now trying to blame salt water intrusion on the port? That’s a first for me.
Posted by UptownJoeBrown
Baton Rouge
Member since Jul 2024
9262 posts
Posted on 4/13/26 at 6:51 am to
No comment. I don’t have a dog in this hunt.

But I did briefly date a girl from Chalmette. That’s all I got. Raven hair and ruby lips. Quite the whitchy woman.
This post was edited on 4/13/26 at 6:57 am
Posted by cadillacattack
the ATL
Member since May 2020
10517 posts
Posted on 4/13/26 at 7:04 am to

quote:

green propaganda


Posted by chalmetteowl
Chalmette
Member since Jan 2008
54620 posts
Posted on 4/13/26 at 8:01 am to
quote:

St. Bernard parish, a parish that is slowly dying.
we’re growing and Orleans and Jefferson are not
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