If you have been reading my blog, you know I had a lot of people asking me if I would ever make a video or movie about building your own lake. Since this is now the most viewed blog post on my site, I guess a lot of people are interested in this topic. When I ask these same people how big do they want their lake, the majority are wanting between 5 to 10 acres. While that doesn’t seem like a huge lake, I’ve got good news for everyone who has asked this question and wants to build their own lake.

cost to build a 20 acre lake

A successful installation of a pond in your backyard or front yard will fully transform the looks of your home or farmhouse. To bring an absolute change to your property, there are very few options available like building a pond. A pond building project will cost you a bit for sure and you need to have a proper idea about the cost.

As you know the size of the pond varies so does the cost will vary too. Many other factors are going to pop up as your range of choice gets bigger. So you must have basic knowledge about how much does it cost to make a pond.

Different Types of Pond and their Cost

In the following section, I will talk about the details of various pond features and their price range. I hope it will enhance your idea about cutting the extra foul cost and preparing a solid budget before starting the project.

How Much Does It Cost To Build A Pond

Garden Pond

A typical garden pond cost may vary from a range of $3000 up to $30000. The cost may get high with the size of the pond. A minimalist type of garden pond will cost less. While a high feature pond will cost pretty much high.

Any standard garden pond usually has a waterfall, high-end landscaping in it. So, you should keep a middle-range budget for the total cost of the pond.

Pond Size and GradeSmall (4×6 feet), Normal GradeMedium (6×8), Normal GradeLarge (8×11), High Grade
Excavation Charge$250$450$2,500
Pond LinerNot required$1,700$4,500
Pump CostNot requiredNot required$2,000
Filtering Cost$650$1,500$3,000
UV Sterilizer CostNot requiredNot required$2,800
Lighting System$300$750$2,000
Waterfall Cost$1,500$3,000$4,500
Landscaping$500$2,500$3,000
Heater CostNot required$1,500$2,000
Total Cost$3,200$11,400$26,300

Farm Pond

These types of ponds are the most minimalist. The best part about this pond is that you don’t need to spend extra money on the beautification. Mostly you will look for this if you have a farming background or you just want to own a farm as a part of luxury. Generally, the cost of a farm pond may vary from somewhere between $4000 – $12000.

Cost to build a farm pond

The primary objective of any farm pond is to serve as a natural water body for the farm animals like horses, camels, cattle, ducks, birds, and reptiles, etc. You can also skip the pond lining, filter system and others add on too. In a farm pond, it is best for the animal to keep the natural clay as the pond bottom. As a whole package in this pond, a lot of cost-saving is naturally embedded.

Pond Size & GradeMedium (100×30 feet), Normal GradeLarge (200×30 feet), High Grade
Excavation Charge$3,000$8,000
Pond LinerNot requiredNot required
Pump CostNot requiredNot required
Filtering CostNot requiredNot required
UV Sterilizer CostNot requiredNot required
Lighting SystemNot required$1,000
Waterfall CostNot requiredNot required
Landscaping$1,000$1,500
Heater CostNot requiredNot required
Total Cost$4,000$9,500

Koi Pond

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Koi pond is one of the most high-end ponds which requires a lot of costs. A very small koi pond would take at least a minimum of $5000 to build properly. On the other hand, a large one might cost around $35000-$50000.

You may wonder why this one sounds so costly and let me clear you on that part shortly.

Proper Koi pond requires labor charge, detailed landscaping, aeration system, water filters, water pump, heating system, strong pond liner, proper plumbing system, debris filter, koi friendly rocks, and aquatic plants, etc.

How Much Does It Cost To Build A Koi Pond

And yes of course the precious koi fish. Lighting and beautiful eye-soothing waterfalls are a must for the amenity of your koi pond. All these features portray a form of luxury so the cost is according to that level.

When it comes to a koi pond, you need to make sure that you are installing the best of the kit at a high price that is available in the online or offline market area.

Pond Size and GradeSmall (4×6 feet), Normal GradeMedium (6×8), Medium GradeLarge (8×11), High Grade
Excavation Charge$400$900$1,500
Pond Liner$1,200$2,500$4,000
Pump Cost$250$350$2,000
FilteringCost$550$1,800$3,500
UV Sterilizer Cost$180$350$3,500
Lighting System$350$750$1,500
Waterfall Cost$1,000$2,700$4,500
Landscaping$800$3,300$5,500
HeaterCost$550$1,400$2,500
Total Cost$5,280$14,050$28,500

For further information about the crafting cost of a koi pond, you can read this article.

FISHING POND

Fishing ponds are usually built for two purposes. One is to make yearly harvesting and another is for the hatchery. Depending on the primary requirement, the cost can become high or low. An average fishing pond tends to be larger than other types of the pond. But the extra features like landscaping and other modifications are not required.

The cost of building a fishing pond may start from $8000-$10000 up to $80000-$100000.

If you are just looking for a just time pass and natural characteristics in your property, then the cost will mostly arise due to the beautification of the project.

Cost to build a fishing pond

On the contrary, for a production-based fishing pond, you want to add more options that will assure your fish safety, water quality maintenance, a proper water filtering system, and a high-end aeration system.

In this type of pond, you will be adding features that will ensure the health of the aquatic life of your pond.

Pond Size and GradeMedium (10×8 feet), Medium GradeLarge (10×20), High Grade
Excavation Charge$500$2,000
Pond Liner$5,500$9,500
Pump Cost$950$6,000
FilteringCost$2,500$5,500
UV Sterilizer Cost$700$6,500
Lighting System$50$200
Waterfall CostNot requiredNot required
LandscapingNot requiredNot required
HeaterCost$1,400$5,000
Total Cost$11,600$34,700

Natural Swimming Pool

A natural swimming pool is a sign of luxury. It simply adds aesthetic values to your home or private farmhouse. The average cost of this type of pond is beyond the $40000 range.

Adding to the high price, it also requires a vast amount of space. It has pretty much similar attributes to a traditional pool. There are a few differences in the main structure and the design concept of this pond compared to the traditional one.

You must need to build a concrete liner for this pond. Per square foot of this liner may cost you around $70-$100. A 100×40 square foot of this type of pond will cost approximately $40000.

It is consists of two sections. One is known as the swimming area, another is known as the regeneration zone. In the swimming area, you can swim and in the regeneration area, there will be different types of aquatic plants, rocks, etc.

Cost to build a Natural Swimming Pool

Both areas will be connected with a pipe that is going to circulate the water in the pool. You need to install a water pump with high GPH. The price of a water pump may vary from $200-$800. Try to buy according to the size of the gallon of the water in your natural swimming pond.

The regeneration zone will help to maintain the proper filtering of the pool. As a result, you don’t need to install any extra filtering system to keep the water clean.

Water lilies, water lettuce, lotus, etc plants are good for such ponds. You can keep a budget of $1500 up to $5000 for varieties of exotic aquatic plants.

The best part about this type of pond is the low-cost maintenance. Due to the natural ecosystem,  you don’t need to spend a few thousand dollars yearly.

Man-Made Lake

A very large size pond is commonly known as a lake. To even thinking of building a lake, you need to have a huge place in your farmhouse. Typically the size of lakes is not less than 1 acre of land and sometimes it gets as high up to 20-30 acres.

A man-made lake cost can starts from $15000 up to $70000. It will fully depend on the size.  An average costing of 1 acre, 10 acres, and 20 acres maybe something like $3500-$8000, $9500-$40000, and $22000-$90000 consecutively.

There are some factors you need to consider before even starting the project. Don’t try to build a lake where the rainfall is very low. It will simply increase the chance of the water filing cost to be skyrocket. Even sometimes a failure may occur if properly not examined the soil and surroundings.

The presence of trees in your selected sight will also increase your total cost of excavation. A total excavation cost of 1 acre may vary from $12000-$16000. An increase might happen on later due to the hardness of soil and tree roots.

Cost to build a man-made lake

You also need to hire professionals for at least 15-30 days to complete a 1-acre lake pond. This charge falls into the excavation category. The service provider will charge you on an hourly basis.

Your total cost of the lake will vary with the purpose of your use of the lake. Kayaking, swimming, fishing purpose for a lake have different depths and size so does the price alter too.

Building a 10 acre lake

Building a private lake cost is dependent on numerous factors. Lake construction costs can range from $10,000 to $30,000 per acre for a small lake. On the other extreme, building a large lake will cost more than $100,000 per acre. The size of the lake and its location are two major factors that contribute to the overall cost of construction.

The size of your property will also determine how much it will cost to build a 10 acre lake. If you have plenty of land, it can be easier to build a larger lake without needing permits or approvals from local authorities. However, if you live in an urban area with limited space, there might not be enough room for such an endeavor. In addition, if the land is flat or hilly, it can make construction more difficult because of potential drainage issues or flooding issues during heavy rains.

How much does it cost to build a private lake?

The average cost to build a private lake is $2,500 per acre. The cost varies by location, type of water feature and size.

If you want to build a 10-acre lake, it would cost about $25,000. This includes excavation, grading, septic system and other items needed for construction.

In addition to the overall cost, there are other factors that will affect your final price tag when building a private lake. These include:

Location — The average cost of a private lake increases as you move further away from major cities or suburbs. You’ll also spend more on materials if you live in a rural area because it’s harder to find certain supplies nearby.

Size — The size of the water feature will affect its overall cost as well as other factors like drainage requirements and septic systems needed for construction. A small pond will require less work than a large one but still costs more than an average-sized pond or lake.

The cost to build a 20-acre lake depends on a number of factors, including the size and depth of the lake, its location, and what features you want. If you only want a small pond, then the cost will be less than if you want something larger and deeper.

If your goal is to create an outdoor living room with water views, then you may want to consider adding amenities such as docks, boat houses or gazebos.

The average cost to build a private lake is $100 per square foot (depending on the size of your property) with an average depth of 4 feet. This means that a 10-acre lake would cost $265,000 in materials alone.

You can also add lighting and other extras that run up the price tag even more. In addition, if you have access to water rights on public land or own land with natural water sources, then there will not be any additional costs for permits or environmental studies required by local authorities.

The cost to build a private lake depends on the size of your property and what features you want to include. A 10-acre lake can be built for $20,000 to $30,000 if it is dug by hand and lined with concrete. If the lake is larger than 10 acres, it will cost more. The average cost for a 20-acre lake is about $50,000 to $70,000, depending on the location and whether you hire professionals to do the work or dig it yourself.

If you plan to install a dam on your lake, you will need to hire an engineer who can design and calculate the structure’s weight based on its size. This costs about $5 per square foot of dam surface area. For example, if your dam will be 100 feet wide and 50 feet high with no spillways or other outlet structures, then it will have a surface area of 5,000 square feet and cost $25,000 plus engineering fees (at least 1 percent of construction costs).

https://www.youtube.com/watch?v=yXQakhEnMXk

The cost to build a private lake depends on the size of the lake. The larger your lake, the more it will cost.

If you have a 20-acre property, you can expect to spend between $50,000 and $60,000 for the excavation and construction of the dam. A 10-acre lake will cost between $35,000 and $45,000.

The cost of a private lake does not include the price of land; it’s only for excavation and construction of the dam.

A professional company may charge more than an amateur contractor because they have more experience in this field and they can complete the project faster.