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*The Angi rating for Fountain Service companies in Delafield, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Fountain Service needs.

*The HomeAdvisor rating for Fountain Service companies in Delafield, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Fountain Service needs.

Last update on May 13, 2026

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Avatar for Custom Care Landscaping and Design
Custom Care Landscaping and Design
4.5(
6
)

Serving Delafield, WI and surrounding areas

Emergency services offered

"Epic and the crew from custom care quickly devised a solution to make our yard and water access safe and beautiful.  They did the work faster than expected and were careful to secure all permits and preserve the environment.  Great guys."
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+5

Recommended by83%of homeowners
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Fountains questions, answered by experts

DIY kits exist, but professional installation ensures proper filtration, landscaping, and leak-proof construction.

A koi pond should be at least 5 feet deep to keep the fish healthy and ensure they don’t freeze in winter. Koi fish are also known for growing large, so the more room you have, the better. A larger koi pond size will allow the fish to grow bigger than a smaller one will, and the more fish you have, the bigger the pond you’ll need. Learn how to build a pond in your backyard to ensure it remains functional and aesthetically pleasing for a long time.

Pond installation costs typically range from $1,500 to $10,000. The final price depends on several factors, including the pond's size, the materials used, excavation requirements, and any additional features such as waterfalls, lighting, or specialized habitats for fish like koi.

A good rule of thumb is to change 5% to 15% of your koi pon’s water every week. Partial water changes help keep your koi healthy, and replacing small amounts at a time prevents causing stress for the fish.

You have several options for your pond by getting your yard ready for the winter. You can winterize your koi pond by ensuring it’s at least 5 feet deep so it doesn’t freeze completely, installing a pond heater or aerator and having it run at all times, and installing a deicer if temperatures are dangerously low for an extended period. You can also choose to shut down your pond for the winter by removing all the wildlife in it and bringing it indoors, cleaning out the filter and pump, and then covering the pond with a tarp.

The Delafield, WI homeowners’ guide to fountain services

From average costs to expert advice, get all the answers you need to get your job done.

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