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re: East Baton Rouge official calls for moratorium on development in high-risk floodplains
Posted on 9/21/17 at 3:59 pm to slackster
Posted on 9/21/17 at 3:59 pm to slackster
Flood elevations are based off of the base elevation of the land before development, correct? I could build my house on a mountain in AE and it will still be AE?
1
Posted on 9/21/17 at 4:12 pm to DownshiftAndFloorIt
quote:
Flood elevations are based off of the base elevation of the land before development, correct? I could build my house on a mountain in AE and it will still be AE?
Basically, but your flood insurance rates will be based on your foundation height above/below base flood elevation.
Posted on 9/21/17 at 4:13 pm to magildachunks
quote:
The storm came and the two new neighborhood, which was elevated with outside dirt, did not flood, but the two older neighborhoods did. First time in 35 years my dad's house got water in it. Including the flood of 82/83. That swamp used to flood, but the neighborhoods were safe.
Was it rain water/drainage or flooding from the rivers?
Posted on 9/21/17 at 4:25 pm to slackster
quote:
rain water/drainage
Posted on 9/21/17 at 4:29 pm to slackster
Right, so look at all of the development on that map that is in the light and dark blue. At minimum, those houses are like mole hills of dirt in that floodplain. Most are completely built up other than the street and act like a levee. The water has to go around, since those houses are always built up higher than the surrounding properties. All of that is blockage and you got water in many places that it never got before. We saved many houses by sandbagging and that doesn't show on that map.
Sure it took 36" of rain in a day to make it happen, but keep developing and building higher in low places and next time it might only take 30" of rain. 50 years from now it might take 20. These "once in a lifetime" flood events will locally become more frequent with the development.
Sure it took 36" of rain in a day to make it happen, but keep developing and building higher in low places and next time it might only take 30" of rain. 50 years from now it might take 20. These "once in a lifetime" flood events will locally become more frequent with the development.
Posted on 9/21/17 at 4:36 pm to magildachunks
quote:
rain water/drainage
Gotcha. Those are much more difficult to map than "traditional" flooding like a river. I'm also not sure what sort of due diligence should be required from a developer with respect to existing drainage. For example, if I buy land that you've been using for water drainage, what right do you have to tell me what I can or cannot do with it without an easement?
I don't mean that in a combative way, I'm generally curious about the rights of landholders in this type of situation.
Posted on 9/21/17 at 4:40 pm to slackster
You can't do anything about it other than stop development, which will not happen, or build houses knowing they'll get water in them, which will not happen either.
It's a shitty fact of "progress" in this part of the world.
ETA: honestly one of the best things to do about it would be to teach people how to sandbag a house. It's mind blowing how many people have no concept of how to effectively do it.
It's a shitty fact of "progress" in this part of the world.
ETA: honestly one of the best things to do about it would be to teach people how to sandbag a house. It's mind blowing how many people have no concept of how to effectively do it.
This post was edited on 9/21/17 at 4:42 pm
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