![]() I never considered digging a giant hole in my back yard and filling it with water until I saw the preformed pond kit at Home Depot one day. I instantly fell in love with the idea of having a pond in my yard and was glad to see it wasn't cost prohibitive. They only had two pond shells to choose from, so I went with the bigger one which held just under a hundred gallons. I also purchased a basic filter, a water pump, grabbed my trusty shovel, and got to diggin.' I even found a little waterfall kit to make it extra fancy and such. The biggest decision when planning a pond is the one you want to spend the most time thinking about: where to put it? Obviously, changing your mind and redigging a big hole in your yard isn't fun for anybody, but there are other things to consider besides aesthetics. You're going to need some power to the pond for your pump, lights, de-icers, etc., so plan accordingly. I decided to place my pond right up against my garage so I had an outlet just a couple of feet away. Speaking of outlets, water and electricity don't mix, so make sure you install a GFCI outlet for anything related to your pond. It's also not a good idea to place your pond directly under a tree unless you want to spend all autumn fishing leaves out of it. And finally, make sure you check with digger's hotline before you get started. Hitting a buried gas or electric line with your shovel = bad. So you picked your spot, bought your supplies, and made sure there's nothing but dirt under your feet. Great! Start digging, donkey. I won't lie, it's a lot of work and monotonous, but I enjoyed it. It's good exercise and rewarding because you're digging for a worthwhile goal. Just take your time and don't forget a good pair of work gloves, otherwise it's blister city. ![]() If you use a preformed shell, it's pretty easy to get the basic outline of where to dig just by placing it where you want it to go. Once you get past the sod and start getting deeper, it's a game of trial and error to get the hole just right. You'll have to mess around with back-filling the hole to support the bottom and sides of the shell. Be sure to put a level on it. You'll want the dirt under and around the sides of the shell as tight as you can get it because once this puppy is full of water it's going to want to settle. I got a little fancy with a preformed waterfall shell and some tubing to create a waterfall. It's a good use for all that dirt you dig up! Where to put the rest of it is up to you. The end result was....okay. The whole project took me two weekends and I was pretty happy with it. I let the vegetation around the pond to grow out and added a couple plants in the pond to make it look a little more natural. So now that I've said all that, let me give you a little advice. DON'T use a preformed shell for your pond. It only took me about a year to regret that my pond was too small and that's pretty much the biggest shell they make. Plus, it was a pain to dig the hole just right if I'm honest. After a couple of years I decided to drain the pond, yank out the shell, and dig a much bigger pond using a flexible PVC liner. Otherwise known as a big-ass sheet of rubber-like material. It's much easier to install and can be cut to size for a custom pond. Once my old pond was drained, I pulled out the shell and flipped it over, using it as part of a small hill next to the new pond that will be part of the waterfall. How you design the shape of your pond is up to you, as long at the liner you purchased is big enough. You'll want to vary the depth not only for aesthetic reasons, but for function as well. One end of my pond starts off shallow and gets deeper, just like at the beach. The shallow end gives my goldfish a spot to bask in the warmer water on sunny days and encourages birds to stop in for a splash and a drink. We even attracted a frog last summer. Build in a shelf along the perimeter of the pond to place potted plants and make sure you have at least one deep spot in the pond that won't freeze over in the winter. Even if you're not planning on fish, I would recommend doing this in case you ever change your mind. Goldfish can survive in the coldest of winters but not if they're frozen solid in the ice! How deep you have to dig is based on where the frost line is in your neck of the woods. Basically you need to dig deep enough to where the soil doesn't freeze in the winter. Here in Wisconsin, I dug a "well" in my pond that's about 3 feet deep and about 2 feet around. Once you're done digging I would recommend waiting a day or two. Study that hole and let it sink in. If you want to make any changes to the shape or size, now is the time to do it before the liner and water get put in. Before you lay the liner, make sure you've removed any sharp rocks sticking out from the dirt. Pond liners are pretty heavy duty stuff, but better safe then sorry. Once the liner is in place, it's just a matter of breaking out the hose and filling it up, smoothing and adjusting along the way. Once the pond is full, let it sit for a day before trimming the excess off the liner. You'll want to give everything a chance to settle. Allow an overlap of six inches or so around the rim of the pond. I used irregular pavers to hide the edge of the liner, keep it in place, and offer a more natural look. As you can see from the photos, I used all the dirt I dug up to create a small hill next to the pond. It provided a base for the waterfall I built and added to the scene I was going for. ![]() Here fishy fishy.... I didn't plan on putting fish in the pond until one day when my son came home carrying a plastic bag full of water with a gold fish floating in it. He'd won it at the local fair and asked if it could go in the pond. A few years later, and we're up to almost 30 gold fish. I think we bought around 10 and the rest were born naturally in the pond with no input from us. Mother Nature finds a way to do her thing! Nothing fancy, just regular old goldfish at the store for 39 cents a piece. Not only are goldfish beautiful and soothing to watch, but they're extremely tough and hardy. They'll survive in the coldest of winter and practically take care of themselves. Toss some flakes in the water once a day for supper and they'll be happy. A few points about goldfish:
Filtration and aeration Unless you go crazy and your pond is the size of football field, you're going to need a way to filter the water and make sure it's got plenty of oxygen. Nature will find a way to balance everything out if the conditions are right, but it takes a while for a natural ecosystems to establish. The size of your pond is a factor - smaller ponds require more man-made intervention where larger ponds tend to take care of themselves easier. As far as aeration goes, you can go with a simple pond fountain or create a waterfall. There are many different approaches to designing and building waterfalls, so I won't get into any specifics here. Spend some time perusing the web for instructional videos and articles to get some ideas. I started out with simple box style filter but eventually upgraded to a UV pressure filter which made a world of difference. The pressure filter is nice because you can place it outside of the pond so it doesn't take up room or look ugly. With any kind of filter you'll need tubing and a pump based on the size of your pond. I'm not going to lie - don't expect shimmering crystal clear water even once you get a filter going. You'll have days where the water is so cloudy you can barely see your fish. There will be times where the water is green and you have algae floating on the surface. Relax and be patient. A pond is a living thing and takes time to establish. Good bacteria needs to grow to keep bad bacteria at bay. Plants, fish, water, bugs, microorganisms - eventually they'll find a way to balance out and you'll be rewarded with clear and healthy water. Crack open a beer, relax, and resist the urge for chemical intervention. So have I temped you to dust off that shovel in the garage? I hope so, because our pond is my favorite thing about our home. I can't tell you how relaxing it is to sit out there after work, beer in hand, watching my fish swim around and listening to the soothing sound of the waterfall. I only wish it was bigger. Oh, and by the way? This summer I'm making it bigger.
Any questions? I'm no expert, but I can answer anything based on my experience. Comment below and I'll get back to you. Robert Brumm is the author of several books and has only fallen into his backyard pond three times. Out of those three he was pushed once. Please hand him a towel and subscribe to his blog.
17 Comments
Becky
4/3/2015 09:37:01 am
Just wanted to say how much I enjoyed this post about ponds. We're in the middle of digging one right now and I'm trying to convince my husband that it needs to be bigger. Good to here an amateurs experienced point of view!
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RB
4/3/2015 10:47:10 am
Thanks, Becky. I actually just added on an addition, making my pond twice as big.
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6/2/2015 07:31:36 pm
Nice article. Define steps very clearly. I have used <a href="http://www.pondpro2000.com/epdm-pond-liner.php">Pond Liner</a> for my pond. It is eco friendly. Some liners are not eco friendly. They harm to the water life.
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Ryan Brownlow
7/13/2015 12:33:37 am
Thanks Bra..
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Joan
8/13/2015 11:45:32 pm
Pond kit is beneficial product. It contains all necessary tools which help to build pond and to maintain it. An important tool of kit is: Pond liner which is the basic element to guard pond. Without it there is no value of pond.
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dvsd
11/12/2015 02:34:59 am
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robert rove
2/1/2016 08:59:00 pm
Your pond and deck came out looking great! Your article was very informative as well. I'm looking into doing something similar at my house. How many gallons is yours in it's last pictured incarnation?
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Robert
2/2/2016 08:40:20 am
Oh man, you're testing my memory. I did the math once and I think it's right around 1600 gallons, but don't quote me on that.
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Alysa
3/18/2016 11:34:36 pm
I have just moved into a new house which already has a pond with 10gold fish and a fountain. Winter has come and passed and I have a lot of algae in the bottom of my pond. Just wondering if I should take my fish out and start it fresh for the new year? I've never had a pond but always wanted one and you seem to be the only one that knows something worth reading. So if you know email me back thanks
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Robert
3/19/2016 10:04:19 am
I would leave it alone and see how it goes for the season. I recall one summer early in the life of my pond I had lots of algae. Since then it hasn't been a problem.
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Eileen
5/10/2016 02:39:44 pm
What a nice blog...answered a lot of my questions. I started digging three days ago and tonight the liner goes in. My fingers are crossed. I have no idea what I am doing, but I am jumping in. the only reason I am building an outside pond is for my one and only 3 yr old goldfish. I am hoping he will adjust to the outside after being in a tank - heated - for so long. I will provide him with a friend or two. You mention not feeding them through the winter - that is amazing that they can live so long without food - but I will follow your lead. I will use your blog as a guide throughout my journey as a pond operator :) thank you for all the information!
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Robert
5/10/2016 04:15:41 pm
No worries, Eileen. Your little guy will love it! Goldfish are as tough as nails. And don't worry about him leaving the heated tank. GF are cold blooded and happy at any temp. The only difference is the warmer the water, the more active they are. The means a higher metabolism and more food (and poop).
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7/12/2016 04:44:48 am
Great Ideas Robert! I have subscribe to your blog as well! :)
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Ben Radic
4/20/2017 10:29:30 pm
Thank you. Really liked how you went through the process and growth of your ponds. Also noticed how your yard grew and developed as time went on. Very nice.
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Linda Charlene Thomas
5/19/2017 09:41:10 am
I was doing a Koi pond and was told it wasn't big enough so I decided to go to goldfish. My pond is 4 x 10 24 in deep.
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1/8/2018 06:31:15 am
I think this is an informative post and image gallery is so nice. I really enjoyed reading this post.
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