Minimum Lake Level for Marinas
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Ryan
Keeper of San Juan Secrets
Thanks. I changed the post.
Your memory is fallible, but fortunately your post history is not!
(Unofficial) Recent Ramp Conditions / Experiences / Photos 2023
Link to post you made with photo of North Ramp on 4/16/23 showing boiler plate below the previously poured concrete extension. Lake elevation was 3521 at the time of that photo and ramp was operable for smaller boats.
EDIT: Reposting the photo here:
sparkin5280
Well-Known Member
This might be true but has nothing to do with the original post by Marina Bum. Would be great to stay on topic and discuss what the Marina's options and possibilities are.
sparkin5280
Well-Known Member
Good catch. See this is why it's good to rehash to these things so we don't forget. But yeah I do remember them using the boiler plates spring of 23 before the big runoff. They had used those plates previously before the new concrete pour.
So everyone is right!
Rivergoer
Keeper of San Juan Secrets
A challenge at the south end will be the narrowing wakeless zone passage past Wahweap Marina going from Stateline to the dam. At some point that marina will definitely need to be reconfigured/relocated to maintain safe passage up lake.
Stateline Aux was poured down to about 3524 back in 2022. It will be the only South access at that elevation with the help of boiler plates if it drops lower than previous 3521.
Stateline Aux was poured down to about 3524 back in 2022. It will be the only South access at that elevation with the help of boiler plates if it drops lower than previous 3521.
Lake Powell Water Database has Stateline Aux down to 3502? I was actually thinking it was lower than that. Is 3524 the correct elevation? That would mean no ramp on the south side under 3524' elevation? Doesn't sound right.
It hasn’t been paved down that low yet, but apparently the slope does extend that far. So in theory with some combination of pouring new concrete and/or putting down metal it would be serviceable down to 3502 for at least some boats. They poured concrete as low as they could during 22/23 and I think that’s what sets the 3524 level at the moment.
Rivergoer
Keeper of San Juan Secrets
Stateline Aux Ramp April 29, 2022 at elevation 3522.73.
The last pour is curing on the right while launching is open on the left with boiler plates in place. Yes, the slope continues well beyond this point but concrete stops at about 3524-23 or so.
Hopefully they can bring in the boiler plates and fire up the batch plant again should the worst case scenario unfold this spring.
The last pour is curing on the right while launching is open on the left with boiler plates in place. Yes, the slope continues well beyond this point but concrete stops at about 3524-23 or so.
Hopefully they can bring in the boiler plates and fire up the batch plant again should the worst case scenario unfold this spring.
There's also the Wahweap Auxiliary Ramp (between the Main Ramp and the marina) which would likely appear again.
Friday around 1pm.
You'll probably go through 3 gauntlets of park employees reminding you to have your boat ready!
Friday around 1pm.
You'll probably go through 3 gauntlets of park employees reminding you to have your boat ready!
airford1
Well-Known Member
Problem solving seeks the root cause and address that, not putting a band aid on a leg that has been cut off.
Well, interestingly since we are talking about Lake Powell it turns out that outflows haven't changed at all for a long time despite whatever has been happening in CA:
And, furthermore, CA uses less Colorado river water now than it has in the past.
So your attempts to find a root cause don't seem to have been too successful. Therefore, as stated earlier, maybe at least try to stay on topic.
Marina Bum
Escalante-Class Member
Agreed, Michelle said in the HOA meeting that she was going to spend $80,000,000 on the Antelope crowd. Why, there is a ramp nearby, The Legacy Ranmp. Why? There are 40 Superboats that will get stranded in dry dock if when they loose their private Antelope ramp in the spring. Also not many guys want to spend 3 to 10 million on a boat they can't slip or even launch, LPHOA Sued PS and Michelle, Follow the money, that's why.
Marina Bum
Escalante-Class Member
I was told that historically the grade follows a known old paved road built by Coconino County for Ranchers prior to the dam, that they know the grade and distance from their records. Old timers tell me that the original road was the first improvised launch ramp as the lake started filling.I think that's why they named it The Legacy Ramp. I heard they can keep compacting AB and laying down precast concrete pads to elevation 3450
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Marina Bum
Escalante-Class Member
Agreed and traversing Past Antelope Marina was a very tight and sometime nail biting experience in 22/23. The angle of the moorings cables across the canyon from the marina made it hard to run closer to the canyon walls and the big boats and traffic were close on the marina side too. It's one of those things I wonder about, at what lower lever would it not be passable anymore?
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Rainbowbridge
Keeper of San Juan Secrets
I'd bet 'they' know......don't wanna tell us.....and pray it don't go that low.......as we all do......
The thought of not being passable.....a real head shaker.....
Toohot2
Active Member
I have always wondered if this Antelope Marina channel was the choke point for up-lake. Another question, given all these damn projects were originally financed based on energy output projections, would it be catastrophic for the grid for both dams to stop producing power, Powell first then Boulder. That possible event may get more attention than the needs water users downstream.
Your second question is a great one and the ultimate mystery to all of us here on WW. The community here is incredible and I love reading all the data and the points and opinions made here. There are great thinkers here on WW.
However, I can't help but fall back on the thought that we simply don't know what the absolute and ultimate priorities are of the system and what ultimate power the BOR has to make "big decision" moves. Is it mandatory water deliveries downstream or is it power generation? Is there a national security risk at hand if power generation stops? Does a national security risk provide BOR with decision power we don't fully understand? BOR did an emergency release of upper basin water at 3520 back in 2022. To me this speaks volumes as to where the priority is. 30' from minimum power pool is a scary place to be apparently for the BOR. I hate to say it but I think we are going to get the answers to these questions that none of us on WW can answer today as soon as next year. I'll be tuned in as the lake approaches 3520 again to see what happens, and something will happen. Im sure of it.
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