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Explain this one please
#10873399
05/26/15 07:18 PM
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Joined: Jun 2006
Posts: 2,859
big10
OP
Extreme Angler
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OP
Extreme Angler
Joined: Jun 2006
Posts: 2,859 |
Iv been watching our lakes rise online, mostly the ones in central Texas and on the Brazos river basin. Almost all of them, with the exception of Belton and Stillhouse are above conservation pool. Both of these 2 lakes will soon be above conservation pool at the rates they are currently rising. Last week Whitney, Aquilla, Waco, and Proctor were all above conservation pool and releasing water. Now with the recent rains and flooding downstream they have had to pretty much close the gates on all of them. I understand that part.
What I dont understand is the site I am watching now is showing Granbury to be .39 below conservation pool and they are releasing 6800cfs. This lake hasnt even filled up yet but they are already releasing a good amount of water. Im not familiar with the area around Granbury so can someone please fill me in on the reasoning behind this?
Jerry Dillard
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Re: Explain this one please
[Re: big10]
#10873434
05/26/15 07:33 PM
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Joined: Apr 2015
Posts: 355
Chiprat
Angler
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Angler
Joined: Apr 2015
Posts: 355 |
I use this site, but not too sure about where Granbury should be as far as level..http://nwis.waterdata.usgs.gov/tx/nwis/uv/?cb_00062=on&format=gif_default&site_no=08090885&period=300&begin_date=2015-05-19&end_date=2015-05-26
Lowe 17V Tournament 1990 Evinrude 120 V4 MinnKotta Ulterra 24V 60" Garmin LIVE SCOPE...Yes you can hate me
1973 14ft Jon Boat V hull 5hp 1996 Mariah Talari 23.5 Fun Boat, and Striper boat at Texoma
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Re: Explain this one please
[Re: big10]
#10873439
05/26/15 07:36 PM
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Joined: Apr 2015
Posts: 355
Chiprat
Angler
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Angler
Joined: Apr 2015
Posts: 355 |
From TPW Water murky; 6771 degrees; 0.10' low. But, they could be letting water out to get ready for something... Houston just got Flooded...
Lowe 17V Tournament 1990 Evinrude 120 V4 MinnKotta Ulterra 24V 60" Garmin LIVE SCOPE...Yes you can hate me
1973 14ft Jon Boat V hull 5hp 1996 Mariah Talari 23.5 Fun Boat, and Striper boat at Texoma
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Re: Explain this one please
[Re: big10]
#10873486
05/26/15 07:56 PM
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Joined: Dec 2014
Posts: 1,665
Muzzlebrake
Extreme Angler
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Extreme Angler
Joined: Dec 2014
Posts: 1,665 |
From Genesis: "And God promised men that good and obedient wives would be found in all corners of the earth."
Then He made the earth round...and He laughed and laughed and laughed!
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Re: Explain this one please
[Re: big10]
#10873504
05/26/15 08:01 PM
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Joined: Feb 2010
Posts: 1,271
soonersorlaters
Extreme Angler
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Extreme Angler
Joined: Feb 2010
Posts: 1,271 |
Iv been watching our lakes rise online, mostly the ones in central Texas and on the Brazos river basin. Almost all of them, with the exception of Belton and Stillhouse are above conservation pool. Both of these 2 lakes will soon be above conservation pool at the rates they are currently rising. Last week Whitney, Aquilla, Waco, and Proctor were all above conservation pool and releasing water. Now with the recent rains and flooding downstream they have had to pretty much close the gates on all of them. I understand that part.
What I dont understand is the site I am watching now is showing Granbury to be .39 below conservation pool and they are releasing 6800cfs. This lake hasnt even filled up yet but they are already releasing a good amount of water. Im not familiar with the area around Granbury so can someone please fill me in on the reasoning behind this? Still a huge influx of runoff being caught upstream in the Brazos.
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Re: Explain this one please
[Re: soonersorlaters]
#10873568
05/26/15 08:26 PM
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Joined: Jun 2006
Posts: 2,859
big10
OP
Extreme Angler
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OP
Extreme Angler
Joined: Jun 2006
Posts: 2,859 |
Iv been watching our lakes rise online, mostly the ones in central Texas and on the Brazos river basin. Almost all of them, with the exception of Belton and Stillhouse are above conservation pool. Both of these 2 lakes will soon be above conservation pool at the rates they are currently rising. Last week Whitney, Aquilla, Waco, and Proctor were all above conservation pool and releasing water. Now with the recent rains and flooding downstream they have had to pretty much close the gates on all of them. I understand that part.
What I dont understand is the site I am watching now is showing Granbury to be .39 below conservation pool and they are releasing 6800cfs. This lake hasnt even filled up yet but they are already releasing a good amount of water. Im not familiar with the area around Granbury so can someone please fill me in on the reasoning behind this? Still a huge influx of runoff being caught upstream in the Brazos. I understand that may be the case upstream but in the middle and lower Brazos basins we are also receiving a large ammount of runoff as well as water being released from lakes upstream. All this with more predicted rain in the near future. Seems to me the best idea would be to start lowering the lakes that are suffering the most downstream and work you way upstream as conditions allow. One thing is certain, once that water makes its way downriver, there's no way to move it back up.
Jerry Dillard
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Re: Explain this one please
[Re: big10]
#10873652
05/26/15 09:00 PM
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Joined: Apr 2009
Posts: 5,923
BrianTx01
TFF Celebrity
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TFF Celebrity
Joined: Apr 2009
Posts: 5,923 |
Granbury is not a flood control lake. It doesn't have the ability to hold back much extra water. It they hold back water it will flood all of the houses built around the lake.
Fighting Texas Aggie Class of 2001 Proud UNT Alumni
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Re: Explain this one please
[Re: big10]
#10873682
05/26/15 09:12 PM
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Joined: Apr 2012
Posts: 1,454
hurricane 201
Extreme Angler
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Extreme Angler
Joined: Apr 2012
Posts: 1,454 |
Jerry, lake Granbury was built and designed to be what is called a constant level lake, and is extremely residential. The dam is very efficient and can let water out as fast as it comes in except in extremely serious flood conditions. With that being said a lot of the residences are very near the water level and single digit numbers high could cause severe residential flooding. The BRA will do its best to manage Granbury at near or just under full pool when it does not cause major residential flooding at lakes up or down stream. Not saying high water conditions do not effect residents at PK or Whitney just the majority of those residences are not as close to conservation pool by design. Just my thoughts from observing this section of river for quite a while.
Catch and release into the grease!
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Re: Explain this one please
[Re: big10]
#10873684
05/26/15 09:13 PM
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Joined: Apr 2012
Posts: 1,454
hurricane 201
Extreme Angler
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Extreme Angler
Joined: Apr 2012
Posts: 1,454 |
Or more simply what Brian said.LOL
Catch and release into the grease!
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Re: Explain this one please
[Re: big10]
#10874104
05/27/15 12:52 AM
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Joined: Jun 2006
Posts: 2,859
big10
OP
Extreme Angler
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OP
Extreme Angler
Joined: Jun 2006
Posts: 2,859 |
Thanks guys. I didn't know it was a constant level lake. I understand now because I am familiar with LBJ.
Jerry Dillard
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Re: Explain this one please
[Re: big10]
#10874395
05/27/15 02:39 AM
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Joined: Oct 2012
Posts: 25,235
ReelBusy
TFF Guru
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TFF Guru
Joined: Oct 2012
Posts: 25,235 |
It's not a constant level lake, the BRA just tries to manage it that way when possible. I suspect they are anticipating more flow upstream.
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Re: Explain this one please
[Re: big10]
#10875699
05/27/15 05:53 PM
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Joined: Dec 2008
Posts: 1,667
TRH (formerly xpress00)
Extreme Angler
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Extreme Angler
Joined: Dec 2008
Posts: 1,667 |
I just saw a post on facebook via DFW Scanner where they are about to open 3 of the 4 flood gates at PK. Expecting this would certainly account for the release of water out of Granbury. Post also advises of a neighborhood evacuation out south of Weatherford.
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Re: Explain this one please
[Re: big10]
#10876628
05/27/15 11:42 PM
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Joined: Jun 2006
Posts: 2,859
big10
OP
Extreme Angler
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OP
Extreme Angler
Joined: Jun 2006
Posts: 2,859 |
Here's part of the reason I am asking this. Look at the rivers in the brazos river basin. Looks to me like most of the lakes farther downstream are higher above conservation pool than the ones upstream. Releasing water upstream and holding water downstream will only make downstream lakes suffer more. Keep in mind ALL lakes are still reciving run off from recent rains and we have more rain predicted in the near future. Just trying to think ahead a little bit. I think all we need is 1 more line of storms and a number of lakes, rivers, and communities could see some serious high water for a prolonged period of time.
Jerry Dillard
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Re: Explain this one please
[Re: big10]
#10876668
05/27/15 11:58 PM
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Joined: Mar 2005
Posts: 1,382
Freeman Clark
Extreme Angler
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Extreme Angler
Joined: Mar 2005
Posts: 1,382 |
A lot of the lakes down stream may be holding water back for rice farmers. My Dad was a rice farmer 50 something years ago and they must have water.May be wrong by that is my 2 cents worth.
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Re: Explain this one please
[Re: Freeman Clark]
#10876692
05/28/15 12:05 AM
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Joined: Jun 2006
Posts: 2,859
big10
OP
Extreme Angler
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OP
Extreme Angler
Joined: Jun 2006
Posts: 2,859 |
A lot of the lakes down stream may be holding water back for rice farmers. My Dad was a rice farmer 50 something years ago and they must have water.May be wrong by that is my 2 cents worth. I know belton always has to release water to rice farmers. That's why it gets drawn down so much in the summer. Do you know how late through the year they need water? I don't see a shortage of water for them this year but I may be wrong.
Jerry Dillard
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