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Started By
Message
Henderson mayor wants to permanently open locks
Posted on 5/26/16 at 9:40 am
Posted on 5/26/16 at 9:40 am
LINK
I know there are several here that fish this area. I know my best fishing there is usually when the water is on the fall and the salvinia and hydrilla are at a minimum. I kinda just wish they would hold it at around 10 - 12 feet. But this could be a good thing. I can see the pros and cons though.
Opinions?
I know there are several here that fish this area. I know my best fishing there is usually when the water is on the fall and the salvinia and hydrilla are at a minimum. I kinda just wish they would hold it at around 10 - 12 feet. But this could be a good thing. I can see the pros and cons though.
Opinions?
3
Posted on 5/26/16 at 9:57 am to PillageUrVillage
quote:
Though the problem is big, the mayor says that the solution is simple. Opening the lake’s gates would allow a current to flow into the Atchafalaya River. This current would slowly carry many of the water weeds with it and dump them into the Gulf. "And it will just flow down and go out to the Gulf of Mexico where the salt water will actually kill it," said the mayor.
This current would slowly carry many of the water weeds with it and dump them into the REST OF THE BASIN.
Posted on 5/26/16 at 9:58 am to PillageUrVillage
Maintaining a north-south flow of water through the Basin is the absolute best thing that can be done. The water quality problems come primarily from levee dams and other man-made obstructions which block the natural flow of water. I went crawfishing with Sherbin 15 years ago or so and he took me to places where the stagnated water was uninhabitable. He's a cantankerous bastard but he knows what he is talking about.
Posted on 5/26/16 at 10:21 am to TBoy
help me as im dumb to this area
this "henderson" area that we drive across when we cross over the basin on i-10 is what they are referring to?
it isn't connected to the rest of the spillway and goes up and down with the atch river??
could someone screenshot google maps and draw this up for me?
this "henderson" area that we drive across when we cross over the basin on i-10 is what they are referring to?
it isn't connected to the rest of the spillway and goes up and down with the atch river??
could someone screenshot google maps and draw this up for me?
Posted on 5/26/16 at 10:31 am to Ignignot
It is connected but there are gates on the north and south ends. This makes it rise when the river is high but slow to fall when the river is low. Once the henderson level falls to the height of the south gate, the water movement basically stops all together.
Posted on 5/26/16 at 10:36 am to Ignignot
Yes, I-10 runs right above the Henderson swamp. It is not directly connected to the Atchafalaya River, but it is within the greater system. The water levels can be controlled with gates to control flooding. The control structure ahs been used over the last few years to draw down the lake area to fight weeds. When the flow is impeded, the water stagnates, the weeds explode, and the water will put an orange stain on your boat. They are considering allowing the flow to run all the time to get better quality water into the Henderson swamp and lake and to choke out the weeds on an ongoing basis.
Posted on 5/26/16 at 10:40 am to TBoy
Seems like a steady flow would help with the nutrients and the fishing
Posted on 5/26/16 at 10:55 am to Ignignot
Steady flow will introduce silt, and turn Henderson into a big sediment trap.
Posted on 5/26/16 at 11:31 am to dawg23
quote:
Steady flow will introduce silt, and turn Henderson into a big sediment trap.
I worry about long term effects. Silt being one of them. I don't know about opening it permanently, but it definitely needs to be opened more frequently.
Posted on 5/26/16 at 1:29 pm to PillageUrVillage
Posted on 5/26/16 at 2:07 pm to choupiquesushi
quote:
2. There are two solutions to the recurring fish kills in Henderson Lake.
a. The first option would be for Henderson Lake to be completely separated from the Atchafalaya Basin and become a reservoir kept at pool stage with a structure that prohibits Atchafalaya flood waters from entering and draining from the southern end. The structure would need to be constructed with an overflow feature to allow rain water to drain from the lake and have the capability to conduct annual drawdowns for vegetation control.
I think they would still be fighting the vegetation every year. Even if they did a yearly drawdown.
quote:
b. The second option would be to completely remove the control structure at the drain and have openings to the Atchafalaya River in the northern portion of the lake. This would allow Henderson Lake to fluctuate naturally with the river stage and have water flow from north to south through the system. The annual drying and flooding of Henderson Lake would then more closely mimic historical conditions.
I would worry about the water levels getting too low in this case.
I don't see why they can't just use the water control structures to allow the water to flow through naturally, but set a high and low limit. But, I'm admittedly no expert in all of this.
Posted on 5/26/16 at 2:39 pm to PillageUrVillage
I would imagine if the gates were left open the lake would just about dry up to nothing late summer and fall.
I dont exactly see all the invasive aquatics flushing out all that easy as just opening the gates. When the waters high now what stoping it from flowing out
The only real difference I see is the swamp drying up during low water times when the river cut it off.
The only real way to make it work would have to have a diversion in the north from the river.
Personally I think it would help the hunting, but kill the fishing I'd rather see it manged more like a lake like it is now. I like the hydrilla though. lol
I dont exactly see all the invasive aquatics flushing out all that easy as just opening the gates. When the waters high now what stoping it from flowing out
The only real difference I see is the swamp drying up during low water times when the river cut it off. The only real way to make it work would have to have a diversion in the north from the river.
Personally I think it would help the hunting, but kill the fishing I'd rather see it manged more like a lake like it is now. I like the hydrilla though. lol
This post was edited on 5/26/16 at 2:42 pm
Posted on 5/26/16 at 3:12 pm to Bass_Man
quote:
The only real way to make it work would have to have a diversion in the north from the river.
That's what they are talking about doing. I still think it would get too low in the summer.
quote:
I think it would help the hunting, but kill the fishing I'd rather see it manged more like a lake like it is now. I like the hydrilla though. lol
I like a little bit of it, but man it gets bad. It becomes unfishable. Like I said I wish they would just open the gates more frequently. I don't know if leaving them open permanently is a good thing long term.
This post was edited on 5/26/16 at 3:15 pm
Posted on 5/26/16 at 7:41 pm to PillageUrVillage
I like a little bit of it, but man it gets bad. It becomes unfishable. Like I said I wish they would just open the gates more frequently. I don't know if leaving them open permanently is a good thing long term.
I haven't been this year, but is the grass even back. I know the last two years it was killed off. I really didn't go much after the grass died so I don't know the current situation.
I think if they left the gates open long term with long periods of low water other problems would develop. I would be worried the exposed flats and shallow areas would slowly get taken over by other trees plants and bushes.
Posted on 5/26/16 at 8:03 pm to dawg23
The whole basin is a sediment trap. atchafalaya should be allowed to do what it naturally does..
Posted on 5/26/16 at 8:33 pm to Bass_Man
quote:
I haven't been this year, but is the grass even back. I know the last two years it was killed off. I really didn't go much after the grass died so I don't know the current situation
It's back. I haven't been out there in over a month and it was already getting bad. Mostly around the levee. Last year it didn't get bad because the water stayed really high throughout the summer and didn't start falling till September.
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