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>

What’s the easiest water feature to maintain?

• <div><p>Smaller, pondless water features like bird baths, self-contained fountains, and bubbling rocks are much lower maintenance than their counterparts that include ponds. Pondless features help you avoid high <a href="https://www.angi.com/articles/pond-maintenance-cost.htm">pond maintenance costs</a> and allow you to spend more time enjoying the water feature and less time on upkeep.</p></div>

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Q: Will my fish stay alive in a frozen pond?

• <div><p>Yes, your fish should stay alive in a frozen pond if you winterize it properly. By ensuring your pond has enough oxygen, good water quality, and a hole to release harmful gases, your pond and fish have the best chance of staying alive and healthy. However, if you have tropical fish, they should be overwintered indoors.</p></div>

Q: How much does it cost to install a fountain?

• <div><p><a href="https://www.angi.com/articles/outdoor-water-fountain-cost.htm">Installing an outdoor water fountain costs</a> <b>$2,700</b> on average, not including the cost of the unit. Prices range from <b>$150 to $10,650</b>, depending on your location, the type of fountain, size, and accessibility to the site. Self-contained fountains and water features recirculate the water within the unit. Depending on size and features like multi-tiered cascading bowls, they typically cost from <b>$50 to $5,000</b>. More elaborate fountains with waterfalls and ponds can cost from <b>$450 to $10,000</b> or more.</p></div>

Q: Should a koi pond be in the sun or shade?

• <div><p>Koi fish should be in the shade and can&rsquo;t be directly exposed to the sun. Consider building your koi pond in a shaded spot or hanging an awning over the top to control the amount of sunlight coming in. Learn <a href="https://www.angi.com/articles/how-develop-landscaping-plan-your-yard.htm">how to design a landscape</a> properly.</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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Reviewed in December 2020
Daniel and his crew were first rate. Our bathroom remodel was a little tricky but they made it look amazing. They were professional, clean, and reasonably priced. I highly recommend.
Daniel Chase Enterprises, Inc.
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Fountains questions, answered by experts

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.

Yes, your fish should stay alive in a frozen pond if you winterize it properly. By ensuring your pond has enough oxygen, good water quality, and a hole to release harmful gases, your pond and fish have the best chance of staying alive and healthy. However, if you have tropical fish, they should be overwintered indoors.

Installing an outdoor water fountain costs $2,700 on average, not including the cost of the unit. Prices range from $150 to $10,650, depending on your location, the type of fountain, size, and accessibility to the site. Self-contained fountains and water features recirculate the water within the unit. Depending on size and features like multi-tiered cascading bowls, they typically cost from $50 to $5,000. More elaborate fountains with waterfalls and ponds can cost from $450 to $10,000 or more.

Koi fish should be in the shade and can’t be directly exposed to the sun. Consider building your koi pond in a shaded spot or hanging an awning over the top to control the amount of sunlight coming in. Learn how to design a landscape properly.

Smaller, pondless water features like bird baths, self-contained fountains, and bubbling rocks are much lower maintenance than their counterparts that include ponds. Pondless features help you avoid high pond maintenance costs and allow you to spend more time enjoying the water feature and less time on upkeep.

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.

See all articles

Angi
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May 3, 2026May 3, 2026
How Much Does It Cost to Install a Fountain in a Pond? [2026 Data]
Discover the cost to install a fountain in your pond, including average prices, key cost factors, and tips to save money on your pond fountain installation.
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Apr 6, 2026Apr 6, 2026
How Much Does Outdoor Water Fountain Installation Cost? [2026 Data]
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How Much Does It Cost to Add a Waterfall to a Pool? [2026 Data]
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May 2, 2026May 2, 2026
10 Outdoor Fountain Maintenance Tips to Keep Your Water Feature in Top Condition
Regular outdoor fountain maintenance will keep your water feature looking and working great. Follow these tips to learn how.
Rachel Hoffman
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Jul 10, 2026Jul 10, 2026
24 Water Feature Ideas for Your Backyard
Outdoor water feature ideas are just as unique as your backyard itself. Check out how a waterfall, fountain, or koi pond can reimagine your property.
C.E. Larusso
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Jul 9, 2026Jul 9, 2026
5 Water Feature Design Styles to Incorporate Into Your Home
Dive into the details of the different kinds of backyard water features, including fountains, birdbaths, waterfalls, pools, ponds, streams, and spouts.