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Old 02-05-2010, 06:17 PM
4,796 posts, read 13,702,498 times
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Just to clarify some erroneous information, here is an exclusive topic dedicated to flooding, flash flooding, heavy rainfall, etc.

Here is the TXDot official guide for marking a low water crossing. Note in the very specific instructions, in paragraph two to the right....it says: "The flood gauge assembly should be of sufficient height to register depth of water to a minimum of five (5) feet above the lowest travel lane pavement surface."

This means the marker does not measure the depth of the creek and above. It only begins to measure at the road level.

Some people are confused by this because the location of the marker must placed BEFORE the low water crossing. At that placement, it appears to be below the road and in flood area and measuring the depth of the water crossing and not the road.


If anyone would like to proceed with words of caution about our impending weather and/or in the future this might become a helpful thread.
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Old 02-05-2010, 06:25 PM
Location: San Antonio/Houston
37,580 posts, read 55,217,367 times
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Then I will repost my link here
Interesting info here: Flooding
The "Impacts to automobiles" part is halfway down the article.
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