Nice quality of picture. (Better than some) Sadly I cant see anything of use, can you please post more pictures. The one you have posted looks like it is in the corner of the pool (just outside of it) But I can not see where the pipes are or where they go.
Look at it this way, I can only see what ever you post, so the more I can see the better i can help. You know what you are looking at because you are there, I am not.

Pictures would be helpful.

Hi, I will try my best to answer your question, like you, I too have a day job, so your question may not be answered for a day or two, please bear this in mind when posting.

Also the more information you give the better the reply, since I will not have to ask you anything.

But do bear in mind that not everything asked is actually possible, e.g.

1) Is it possible to build a pond using an above ground swimming pool. All you have to do is read the instructions and you will see they clearly state it is not to be used below 5 degrees.

2) Can I have a mains light in my pond, as I can't find a new one. Have a look, you will see that no one makes them as they were banned in the UK many years ago, and now you can get 12v LED lights that change colour, much better.

3) Can I have a pond pump with say 25m of cable? (All you have to do is look, and you will find that pumps come with 10m of cable or less)

4) Does any one live near me? (you) all you have to do is look at the posts for location, truth is people only ask questions here now, so sadly there is no one near you who can "pop round"

And finally................. please pop back and leave a reply.

Since you ask.........The pump, never heard of them. (But then there are hundreds of pump makers out there)

A pump should be chosen for it's intended task, not because it looks nice or claims to be powerful.
For a koi pond most will aim to turn the water over once every 4 hours.

I would also suggest having a stream with areas for the dogs sounds nice, but is infact not very good at all, since the pools will allow water to stagnate and anything the dog has or does will end up in the pond.

I would say 95% of koi ponds have solvent weld pipe. I would also suggest since you are building it from scratch you install a bottom drain in the concrete, you will never regret it.

Oh, what country are you in? Its just that, the link for the pump, it is being sold by Amazon USA

I was joking about the colour.

Thanks for putting the picture back

Date and time format looks much better.

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My last previous post (solar pond pump) had a picture, now it only has an icon saying it had a picture, in other words the picture has gone missing. No problem, but you did ask.
If you can remove the icon I will post the picture again in a new post.?

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Post title length, looking around found several titles to be 3 lines long, which then makes all the others look odd. Perhaps a limit to 75 characters? Or only allow the post heading to show just 5o characters but the actual post the whole as is title? (you did ask)
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Who is the author of a post, its in "reverse" would just in bold be easier on the eye?

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Is there something wrong with the colours?

The article I linked to was written by me 10 years ago, so I thought it best I double check.

The price of (small) solar fountains has come way down, average price is now £10 but is really designed for a bird bath or tiny pond. (Which is what I said 10 years ago)

I was able to find a large solar floating fountain (See picture) which is suitable for the OP. However as I said 10 years ago, any such fountain will need an array of solar panels and will not be cheap, I was correct on both counts, this one needs 4 solar panels mounted on a pole (Pole not supplied) although I suspect as the fountain is in America it will probably need 6 or 8 solar panels to make it work over here, there will also be shipping to add to the cost as well as import duty and V.A.T. (The seller also said the price is subject to sales tax, thats an American thing) oh and the cost before you add on all the shipping, vat, duty etc? $6,900 roughly £5,300
Still want solar? I thought not.

Solar operated fountain, sounds good, no running costs, what more can you ask for? If it were only that simple.
If you have a quick search for "solar fountain" you will find lots of them....................all designed to go in a back garden tiny pond.
I say tiny pond because at best the jet height is less than a foot (and that is if you are lucky)
With a pool as big as yours you are going to need a jet(s) that are in the region of 5 foot tall, anything smaller and you will not be able to see it.
The down side is there is not readily available a 12v pump (it is solar) that can do that, and if there were it would need an array of solar panels to generate enough electricity. There is also the consideration of where would you mount the solar panels? (Not to mention the cost of the solar panels)

You may want to read an article I wrote some time ago, its still as true now as it was then, Click Here

You would be far better off with a mains operated fountain, since it can have lights and run when ever you want it to.

If you do have any other questions, please reply here.

The theory of a raised wooden pond is sound, but lets go back to basics.

The first thing to consider is what timber will you use, it can not be treated with anything that is not "fish safe" (I have recently read of one where the person used railway sleepers, when it rained all the fish died soon after, the reason the sleepers were painted in a toxic finish, which was washed into the main pond when it rained.)

Assume you build a frame (Vaguely like the picture you posted) you will then have to line the frame with something like plywood, as you want the pond sides to be smooth, if you just added a liner to similar to the picture the liner would stretch over the internal timber and possibly rip. Also the weight of the water would push the external cladding off. (Maybe not immediately, but nonetheless it would)
The other thing is if you build the pond as I suggest, you could then add insulation (fibre glass?) to keep the water from freezing in the winter.

So far so good? well no, you have said you want a koi pond, and I have told you that you should only build a koi pond once, koi are a fast growing fish, and, need room to swim up and down as well as side to side, with that in mind, koi ponds are often 5 feet deep. Most koi ponds are built 60/40 with 60% being below ground (Including bottom drain) and the other 40% on the ground, so you would have to build a pond that is at least 5 feet tall, which would be of no use what so ever.

I can can understand that you want a surface pond, so I would suggest you start off small and work your way up, that way you will gain experience, and learn that there is more to building and looking after a pond than it appears.

On a personal note, I do not rate wooden ponds, since no matter what they are treated with the timber can and will rot (Been there, done that) and it is almost impossible to change without emptying the whole pool.

Hi, yes you can have a koi pond without a bottom drain, (A lot of first time koi pond owners don't have a bottom drain in their pond because of lack of knowledge.)

You have to understand why a bottom drain is best to understand what are the alternatives.
Basically Koi poop a lot, and the bigger they get the more they poop. The poop has to be sent to the filter for removal, the easiest way is a bottom drain, since it does all the work for you.

There are a couple of alternatives.

1) Use the side skimmer inlet to connect a hose to and connect a "pond broom" to this and "sweep the floor"

2) Buy a pond vacuum. (As the name suggests it is a vacuum cleaner for ponds)

3) Have the pump inlet close to the pool floor, and you can "sweep" the bottom of the pond towards the pump inlet on a regular basis.

Option 2 is what most koi owners end up doing.

As for using a paddling pool for a pond (Such as the one you link to) the answer has to be NO !.
There are so many reasons why it is not suitable it would take a few hours to type them and you to read them, but in short it would be:

Not designed for the task
Not for fish use
Not deep enough
Too dangerous
Prone to damage / leaks
Has no suitable filtration
Not to mention "The small print" The information with the pool clearly states "a)Pool must be stored if temperatures are expected to fall below 5°C."

CasualKoi, if you want a koi pond this time of year is the wrong time to build one, I would suggest you wait till spring, and in the mean time design and cost a koi pond.

You should only build a koi pond once, as it will save money in the long run as you never need to alter it, so sit and think about it now. Koi ponds are not cheap, average spend is around £3-5K for DIY