Process of Floodwater Clearance Through Major Floodways in the Valley
WESLACO - Parts of the Rio Grande Valley continue being affected by Monday’s rain.
KRGV’s Christian Von Preysing explained where the water is going.
The water flows into four main drainage systems that have a capacity large enough to channel the water from many other smaller canals around the Valley.
CHANNEL 5 NEWS spoke to senior engineer from SWG Engineering Joe Winston.
He says the floodway is bounded by large levees that keep the big channel from overflowing.
Winston says the International Boundary and Water Commission merges with the Arroyo Colorado before it splits.
He explains the system’s primary purpose is to keep the Rio Grande at bay if it ever starts to overflow.
However Winston explained the Valley ultimately slopes at just about one foot per mile.
For more information watch the video above.
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