How deep should a koi pond be?

• <div><p>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 <a href="https://www.angi.com/articles/koi-pond-sizes.htm">koi pond size</a> 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 <a href="https://www.angi.com/articles/how-build-pond.htm">how to build a pond in your backyard</a> to ensure it remains functional and aesthetically pleasing for a long time.</p></div>

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Q: How often should I change koi pond water?

• <div><p>A good rule of thumb is to change 5% to 15% of your koi pon&rsquo;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.</p></div>

Q: How much does pond maintenance cost?

• <div><p>The average <a href="https://www.angi.com/articles/pond-maintenance-cost.htm">pond maintenance cost</a> is $2,000. But how much you pay to take care of your pond depends on multiple factors, such as the size of the pond and whether fish live in it. Your area's climate also affects the overall maintenance cost, as you may need to winterize your pond to protect it and any aquatic life in it during the colder months. </p></div>

Q: How do you care for a koi pond?

• <div><p>Though there are a lot of factors that go into caring for a koi pond, the most important maintenance you can do is frequent water checks using a koi pond test strip that checks the water for dangerous conditions. In addition to <a href="https://www.angi.com/articles/pond-maintenance-cost.htm">regular pond maintenance costs</a>, you&rsquo;ll also need to winterize your koi pond if you live in a colder area.</p></div>

Q: Can you make a fountain without a pump?

• <div><p>Yes, it is possible to make a fountain without a pump, though it may seem less intuitive and will require a bit more effort to use. In lieu of an electric pump, there are a few options including hand-cranked pumps or sprinkler systems that can work to provide water for a fountain.</p></div>

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Verified Reviews for Fountain Service pros in Mariposa, CA

*The Angi rating for Fountain Service companies in Mariposa, CA 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 Mariposa, CA 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 June 25, 2026

Reviewed in June 2026
His price was fair. He worked hard along with his wife to dismantle my large spa. When the spa was loaded in his trailer, both he and his wife swept the patio clean of insulation, plastic, etc. Not only that, they were courteous and very friendly. They are the kind of people you’d like to have...
Abarca Transports-Junk Removal
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Reviewed in July 2025
They were on time and did a great job. It was a tough job, but it got done. The weeds and grasses were very high plus there’s hidden rocks and tree limbs. Also, we’re very courteous.
Mecchi Mountain Moving
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Reviewed in December 2024
I can't say enough good things about Jesse & Hannah. They are extremely attentive to every detail on my property as well as with billing. They not only regularly maintain the landscaping of my vacation rental property but have also made significant upgrades to the landscaping too. They've...
Rough Terrain Landscapes
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Reviewed in August 2024
They did an excellent job at a very fair price !! Work came out great and the roof is perfect and waterproof again all you can ask for I would definitely recommend them and hire them again if I needed any more work
Green Leaf Roofing
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Reviewed in October 2023
We are fortunate to have Orin as our neighbor and he has helped us on many occasions. He recently replaced our old hot water heater with a new tankless one since there only 2 of us at home. He has repaired and unclogged and prevented future mishaps as well. He shows up!
Orin Good Plumbing
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Reviewed in June 2022
Friendly, reasonably priced, and excellent service. Rick also gave me a valuable advice about my other trees.
Becks Tree and Property Service
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Reviewed in June 2022
Cynthia did a great job, thorough and have a great attitude.
Cynthia's Cleaning
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Reviewed in April 2022
It went really well. The owner was very nice. They were very quick. They showed up on time. They really did a good job.
Milne's Painting
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Reviewed in September 2021
Josh with Wolford Excuvating did a excellent job on both the gravity jumbo block concrete retaining wall and the boulder retaining wall. Far exceeded my expectations. Promptly courteous service and easy to reach. Very reasonable cost. I would most highly recommend.
Wolford Excavating
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Fountains questions, answered by experts

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.

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.

The average pond maintenance cost is $2,000. But how much you pay to take care of your pond depends on multiple factors, such as the size of the pond and whether fish live in it. Your area's climate also affects the overall maintenance cost, as you may need to winterize your pond to protect it and any aquatic life in it during the colder months.

Though there are a lot of factors that go into caring for a koi pond, the most important maintenance you can do is frequent water checks using a koi pond test strip that checks the water for dangerous conditions. In addition to regular pond maintenance costs, you’ll also need to winterize your koi pond if you live in a colder area.

Yes, it is possible to make a fountain without a pump, though it may seem less intuitive and will require a bit more effort to use. In lieu of an electric pump, there are a few options including hand-cranked pumps or sprinkler systems that can work to provide water for a fountain.

The Mariposa, CA 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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