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: Should I leave water in my pond over the winter?

• <div><p>Even if you empty your pond before the winter, there&rsquo;s a good chance it will refill naturally. It&rsquo;s ideal in most cases, then, to leave water in your pond and winterize it instead. This method will prevent ice damage and protect wildlife. Plus, it&rsquo;ll lessen the steps required to reopen your pond in the spring.</p></div>

Q: Should a water feature be in the sun or shade?

• <div><p>Placing your water feature in direct sun can speed up evaporation, leading to pump damage and algae growth. Shade or partial shade serves as the ideal location for most water features&mdash;just watch out for tree and plant debris that may fall in and clog the pump. </p></div>

Q: How do I maintain a pond?

• <div><p>Regular water testing, debris removal, and seasonal maintenance ensure healthy water quality.</p></div>

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Verified Reviews for Fountain Service pros in Northfield, VT

*The Angi rating for Fountain Service companies in Northfield, VT 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 Northfield, VT 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 October 20, 2025

Reviewed in October 2025
One of us wanted a new shower. The other wasn't convinces. After listening to Phil talk and explain the benefit of the shower, we were both convinced. Good job!
Jacuzzi® Bath Remodel
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Reviewed in July 2025
Chris and his team where amazing!! We had them do a complete kitchen remodel right down to the studs!!Taking this circa 1950's space to 2023 was a task and Chris was so organized and willing to work with our vision and give his knowledge as well! He was great throughout the process of planning...
C.P.L. Construction LLC
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Reviewed in June 2025
Green slimey pool that wasn?t closed right year before was clean balanced and ready in two weeks?
Green Mountain Pool Pros
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Reviewed in January 2025
Robert was communicative, friendly, knowledgeable, and efficient! He was so good at the initial ask that we had him look at two other plumbing issues, which he fixed. He immediately identified the parts needed and purchased them on the same day so our projects would be finished promptly. I...
Robert Rathbone Handyman
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Reviewed in April 2024
They did a great job fixing my heat pump hot water heater ,we will be using them again .
Preventative maintinance mechanical
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Reviewed in June 2023
They did a great job removing trees on a city lot. Reasonable price, did exactly what they said they would do and did a great cleanup afterwards. Excellent service.
Alexander Tree Service
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Reviewed in April 2023
We were in a tight spot, trying to find a painter for a difficult space, a large room with high ceilings, a lot of old, cracked caulk, some bad drywall and many other restorations needed. About half a dozen painters had come to look, but declined to give quotes, saying the job was too big to fit...
KO Property Enhancements LLC
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Reviewed in November 2022
Hands down one of the best plumbers in the area. Our dishwasher appliance company flaked on us for an install. Bob came out the same day, the day before Thanksgiving no less. He was on time, on budget and never have I seen a more professional and clean dishwasher install. And we had some great...
RYAL Plumbing & Heating Contractors
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Reviewed in September 2022
John and his team installed a concrete pad and pavers for our new hot tub and patio. They provided professional and friendly service and had the job done in no time. Everything looks great and I will hire them again!
Hovnanian Landscape Excavation
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Reviewed in December 2014
Kevin looked at various paintings, dolls, jewelry, crystal, household goods, vintage toys, figurines, lamps, miscellaneous items such as a Yankees’ baseball signed by team members, vintage fountain pens, 20th C Child’s violin, Shirley Temple dolls, vintage opera glasses, etc. He took pictures of...
Appraisal Valuations
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Find Fountain pros in Northfield

SW WOOD LLC

5.0(

)

Water Feature - Install a Fountain or Waterfall

Serving Northfield, VT and surrounding areas

Approved

Free estimates

Emergency services offered

Small jobs welcome

"I was very pleased with the work he did, he has a nice way of explaining things , I sure I will hire him again for other projects when needed he is a very pleasant person to deal with. Tank you Scott for being such a nice guy ."

9 neighbors recently requested a quote

Water Feature - Install a Fountain or Waterfall

Serving Northfield, VT and surrounding areas

In business since 1987

Free estimates

Credit card accepted

"He's willing to drive as far as need for the work. He will be there to solve any problem you have. He is very easy going. I've already recommended him."

Response time9 hrs

Recommended by100%of homeowners

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R.A.M. Contracting, Inc.

3.8(

)

Water Feature - Install a Fountain or Waterfall

Serving Northfield, VT and surrounding areas

In business since 1998

Free estimates

Emergency services offered

"The company representative stated to me that they only do commercial properties and not residential homes. I was not aware of that from the company's description. They did respond to my calls."

Response time1 day

Recommended by100%of homeowners

Water Feature - Install a Fountain or Waterfall

Serving Northfield, VT and surrounding areas

In business since 1986

Free estimates

"It was a very technical job. They did a fantastic job. They were prompt and got the job done under budget. It was a completely pleasurable experience for me and I highly recommend them to anyone!"

Recommended by50%of homeowners

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Chico excavating

New to Angi

Water Feature - Install a Fountain or Waterfall

Serving Northfield, VT and surrounding areas

In business since 2001

Free estimates

Credit card accepted

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

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Veteran Maintenance & Home Repair

2.0(

)

Water Feature - Install a Fountain or Waterfall

Serving Northfield, VT and surrounding areas

In business since 1990

Free estimates

Emergency services offered

With our more than 20 years of experience, you can't go wrong with Veteran Maintenance & Home Repair. We are ready to take on your needs, large or small! Call us today for an estimate!

+11

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Northern Ridge Land & Property Services

New to Angi

Water Feature - Install a Fountain or Waterfall

Serving Northfield, VT and surrounding areas

Free estimates

Small jobs welcome

Credit card accepted

A professional site development contractor that helps property owners transform inaccessible land into usable property. 10+ years experience. Specializing in Land and Property Restoration • Drainage • Land Clearing • Forestry Mulching • Property Improvements

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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.

Even if you empty your pond before the winter, there’s a good chance it will refill naturally. It’s ideal in most cases, then, to leave water in your pond and winterize it instead. This method will prevent ice damage and protect wildlife. Plus, it’ll lessen the steps required to reopen your pond in the spring.

Placing your water feature in direct sun can speed up evaporation, leading to pump damage and algae growth. Shade or partial shade serves as the ideal location for most water features—just watch out for tree and plant debris that may fall in and clog the pump.

Regular water testing, debris removal, and seasonal maintenance ensure healthy water quality.

The Northfield, VT 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
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How Much Does It Cost to Add a Waterfall to a Pool? [2026 Data]
Discover the cost to add a waterfall to a pool. Learn about average prices, cost factors, and ways to save on your pool waterfall installation.
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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.
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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.