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>

Does a pond increase homeowners insurance?

• <div><p>Like pools, ponds can be a safety risk, so they may increase your homeowners insurance. Be sure to let your insurance company know if you <a href="https://www.angi.com/articles/who-to-hire-to-create-a-pond-on-my-land.htm">build a pond on your property</a>—they may have safety requirements in order to keep your premium from increasing. </p></div>

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Q: Can I install a pond myself?

• <div><p>DIY kits exist, but professional installation ensures proper filtration, landscaping, and leak-proof construction.</p></div>

Q: How long does it take to fill a pond?

• <div><p>Small ponds can be drained and filled in about a day. Larger ponds will take two or three days for professional removal.</p></div>

Q: How much is pond maintenance?

• <div><p>One reason you may want to fill in your pond is the cost of maintenance. Pond cleaning may cost about $1,000 for an annual cleanup, or monthly visits may cost $75 to $100 per visit. If you don&rsquo;t want to spend that much per year on pond upkeep, you may consider filling in your pond.</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

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

Small ponds can be drained and filled in about a day. Larger ponds will take two or three days for professional removal.

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.

Like pools, ponds can be a safety risk, so they may increase your homeowners insurance. Be sure to let your insurance company know if you build a pond on your property—they may have safety requirements in order to keep your premium from increasing.

One reason you may want to fill in your pond is the cost of maintenance. Pond cleaning may cost about $1,000 for an annual cleanup, or monthly visits may cost $75 to $100 per visit. If you don’t want to spend that much per year on pond upkeep, you may consider filling in your pond.

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

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