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crazyLSUstudent
LSU Fan
391 miles away from Tiger Stadium
Member since Mar 2012
4388 posts

re: How years of storm water pond construction are causing issues in Baton Rouge metro area
Better quality gif though and larger size


lsu13lsu
Member since Jan 2008
9559 posts
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re: How years of storm water pond construction are causing issues in Baton Rouge metro area
quote:

storm water pond constructions isnt causing these issues.... storm water pond maintenance, or lack thereof is causing this issue.


I can get on board that this is a common problem. If it is then Developers need to properly account for it in their HOA dues and budgets prior to turning it all over to the homeowners who have zero clue what they are inheriting.


Tbonepatron
LSU Fan
Member since Aug 2013
5816 posts

re: How years of storm water pond construction are causing issues in Baton Rouge metro area
quote:

larger size


That’s what… That’s what she s…..


CarRamrod
USA Fan
Spurbury, VT
Member since Dec 2006
54060 posts

re: How years of storm water pond construction are causing issues in Baton Rouge metro area
quote:

I always just thought they were digout lakes to raise/level the elevation of the interstate ramps.


Thats correct. as for neighborhoods no, older style of neighborhoods, they have culverts usually under the roads, that hold storm water that slowly dissipates out after the storm. The new style of neighborhood is where they build a lake to hold that storm water, where they dont have to install all those culverts, and they can sell lake front property.

the issue is the organic matter that accumulates in the pond reduces is volume capacity. those pretty fountains are just to look at, they, should be, taking water from deep and bringing that material up to the surface, oxygen rich strata where bacterial can break down that material. but it is a rather in efficient way to do it. these ponds really need to be dredged ever decade or so, or do a rapid drawdown ever so often. and a rapid draw down would not smell to good for the people living on the lake.


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lsu13lsu
Member since Jan 2008
9559 posts
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re: How years of storm water pond construction are causing issues in Baton Rouge metro area
quote:

The biggest problem is the old houses. The people who were high and dry 20 years ago are now getting drowned by these new developments that are 20 ft higher than them.


I think another big problem is engineers say this property sheds this amount of water based on these maps. But, when you live near that property and see it during big rains it doesn't shed any water. It either holds or absorbs it via grasses. So then they come in and put roof tops in and concrete and sheds the water.


CarRamrod
USA Fan
Spurbury, VT
Member since Dec 2006
54060 posts

re: How years of storm water pond construction are causing issues in Baton Rouge metro area
quote:

Detention capacity is measured in the freeboard portion of the pond. There will typically be an outflow structure designed for a certain overflow height, and that height is the storage capacity.


yea look around google earth, they will all have a weir some where. and for big neighborhoods with multiple pond, they are usually interconnected and all drain to one location.


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BottomlandBrew
LSU Fan
Member since Aug 2010
23513 posts

re: How years of storm water pond construction are causing issues in Baton Rouge metro area
And to pile on, another issue is fertilizer runoff into the ponds. Algae and plant material grows, breaks down, silts in the bottom, repeat.


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CarRamrod
USA Fan
Spurbury, VT
Member since Dec 2006
54060 posts

re: How years of storm water pond construction are causing issues in Baton Rouge metro area
quote:

Engineers and Contractors will be here shortly to tell us the retention pond scheme is perfect.
you sound bitter and uneducated on the subject.


lsu13lsu
Member since Jan 2008
9559 posts
 Online 

re: How years of storm water pond construction are causing issues in Baton Rouge metro area
quote:

you sound bitter and uneducated on the subject.


I have an open mind and willing to learn. I am guessing you are not that way.


CarRamrod
USA Fan
Spurbury, VT
Member since Dec 2006
54060 posts

re: How years of storm water pond construction are causing issues in Baton Rouge metro area
quote:

I think another big problem is engineers say this property sheds this amount of water based on these maps. But, when you live near that property and see it during big rains it doesn't shed any water. It either holds or absorbs it via grasses. So then they come in and put roof tops in and concrete and sheds the water.


they are talking macro and you are talking micro.


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goofball
Navy Fan
Member since Mar 2015
12943 posts

re: How years of storm water pond construction are causing issues in Baton Rouge metro area
quote:

Detention capacity is measured in the freeboard portion of the pond.


This is why IMO they should basically be more of a giant catch basin that drains entirely when it's dry, but holds more of the development's runoff when it rains. Essentially allow the development to fill that basin quickly, but only allow the basin to drain very slowly until it reaches a certain height, then allow it to drain faster to prevent local flooding.

It's easier to maintain when there isn't sitting water in it. That's an added benefit. Throw a few cypress trees in there and plant some natural grasses, but go in and clear it at least once a year and pick up any garbage in it.
This post was edited on 9/14 at 9:34 am


CarRamrod
USA Fan
Spurbury, VT
Member since Dec 2006
54060 posts

re: How years of storm water pond construction are causing issues in Baton Rouge metro area
quote:

I have an open mind and willing to learn. I am guessing you are not that way.
you cant read people either.

Im glad you are willing to learn, but you seem to be just blaming people just because. should engineering and contractors be required to design an build a house that will resisted a cat 5 storm? if so, your 250k house will be 500-750k.

Im just trying help people understand, yes this is an issue but it just isnt a blanket engineer/contractor issue. This really is a maintenance issue. These pond should work for normal storms up to probably a 50-100 yr storm. but when you get 100+ to 500 year rain events, these arent going to work. and we have had some record breaking storms lately.
This post was edited on 9/14 at 9:33 am


lsu13lsu
Member since Jan 2008
9559 posts
 Online 

re: How years of storm water pond construction are causing issues in Baton Rouge metro area
quote:

they are talking macro and you are talking micro.



I don't disagree but with this many subdivisions going up in these flood and storm prone areas it probably needs a more detailed look.


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110
upgrayedd
US Space Force Fan
Lifting at Tobin's house
Member since Mar 2013
121200 posts

re: How years of storm water pond construction are causing issues in Baton Rouge metro area
quote:

That’s what… That’s what she s…..


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BottomlandBrew
LSU Fan
Member since Aug 2010
23513 posts

re: How years of storm water pond construction are causing issues in Baton Rouge metro area
quote:

If it is then Developers need to properly account for it in their HOA dues and budgets prior to turning it all over to the homeowners who have zero clue what they are inheriting.


I know in EBR developers must submit a drainage impact study. It will typically show impacts to discharge volumes, adjacent watersheds, and water quality. As part of the DIS, a maintenance regime is supposed to be submitted and followed. Two issues are that A) DPW rubber stamps these things based on hydraulic calculations and nothing else, and B) there is no enforcement of the maintenance requirements after the stormwater infrastructure is approved.

I know here in Nashville the stormwater department employees do inspections on all stormwater facilities every five years. We just had one at my shop earlier this year. EBR, and really anywhere in SELA, does not do this.


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70
lsu13lsu
Member since Jan 2008
9559 posts
 Online 

re: How years of storm water pond construction are causing issues in Baton Rouge metro area
quote:

Im glad you are willing to learn, but you seem to be just blaming people just because. should engineering and contractors be required to design an build a house that will resisted a cat 5 storm? if so, your 250k house will be 500-750k.


A CAT 5 has never hit where I live and will not in my lifetime. so nice strawman. But flooding has happened in my area and more frequently over the last few years.


jimbeam
US Army Fan
University of LSU
Member since Oct 2011
73149 posts
 Online 

re: How years of storm water pond construction are causing issues in Baton Rouge metro area
Do you bitch at engineers whenever you don’t take care of your housing systems? HOAs are on the hook to maintain these systems. Period.

To whoever else said it, Detention vs retention ponds are entirely different things, also


upgrayedd
US Space Force Fan
Lifting at Tobin's house
Member since Mar 2013
121200 posts

re: How years of storm water pond construction are causing issues in Baton Rouge metro area
quote:

you sound bitter and uneducated on the subject.


Here's our developer


CarRamrod
USA Fan
Spurbury, VT
Member since Dec 2006
54060 posts

re: How years of storm water pond construction are causing issues in Baton Rouge metro area
quote:

A CAT 5 has never hit where I live and will not in my lifetime. so nice strawman
doesnt sound like you want to learn.....


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29
CarRamrod
USA Fan
Spurbury, VT
Member since Dec 2006
54060 posts

re: How years of storm water pond construction are causing issues in Baton Rouge metro area
quote:


Here's our developer
quote:

upgrayedd
you know im not a developer.


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