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Top-Rated Fountain pros in Manassas - Updated Nov 2026

Backyard Ponds LLC
4.4(
49
)
Water Feature - Install a Fountain or Waterfall

Serving Manassas, VA and surrounding areas

In business since 1996

Free estimates

Credit card accepted

"My pond is the healthiest it's ever been, I don't know if it's because of backyard ponds, or whatever? But I now have baby fish about 12 of them and I am going to hire them to do my winterization. I got a very professional reminder from backyard ponds in the mail today, and I really appreciate the reminder. Sometimes things like this slip your mind, but it's very nice that they remind you that winter is coming up, and you need to plan for the future. My fish are not expensive, because this is a newly renovated pond. But I'm very happy with the job that they did, and I will recommend them in the future. And I will be using them very soon"
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+13

Recommended by93%of homeowners
Avatar for Harmony Ponds, Inc.
Harmony Ponds, Inc.
3.6(
11
)
Water Feature - Install a Fountain or Waterfall

Serving Manassas, VA and surrounding areas

In business since 1995

Free estimates

Warranties offered

"We had a water feature that needed repaired. Called all over town with no luck till home advisor suggested Harmony Ponds. They were very helpful with suggestions for repairs and are going to send ideas of what they can do (the fountain needs a complete re-do). For now they repaired the liner so we can use it till we get it re-done. Very happy with their service."
Cascading waterfall
Stream course
Recommended by100%of homeowners
Avatar for Harmony Ponds, Inc.
Harmony Ponds, Inc.
3.4(
12
)
Water Feature - Install a Fountain or Waterfall

Serving Manassas, VA and surrounding areas

In business since 1995

Free estimates

Credit card accepted

"We had a water feature that needed repaired. Called all over town with no luck till home advisor suggested Harmony Ponds. They were very helpful with suggestions for repairs and are going to send ideas of what they can do (the fountain needs a complete re-do). For now they repaired the liner so we can use it till we get it re-done. Very happy with their service."
Waterfall Stream
Waterfall Stream
Response time4 days
Recommended by87%of homeowners
Showing 1-10 of 24
Fountains FAQs, answered by experts

While they’re popular and have a lot of pros, the cons of river rocks include the following:

  • River rocks don’t break down or provide nutrients to plants. 

  • These stones can get hot and scorch nearby plants. 

  • River stones may heat the surrounding soil to inhospitable temperatures. 

  • Rocks can block rainwater from seeping into the ground if installations are too thick or tightly packed.

Most downsides occur when using river rock as mulch in gardens and flower beds. However, you can still incorporate river rocks into your landscape as long as you use them in the correct ways.

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.

How many fish can call your pond home depends on the volume of the pond and the fish size. Your pond's filtration system also influences the number of fish that will thrive in a pond. A general rule of thumb is to have 1 inch of fish for every square foot in a pond that's 2 feet deep. Another rule of thumb you can follow is to have one koi fish for every 200 gallons of water or two goldfish for every 200 gallons.

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.

After you fill in your pool, you can add trees and plants that help stabilize the soil. You might decide not to fill it in at all and find another use for the sunken area instead. A few ideas include creating a seating area or garden inside the empty pool. Depending on its size, you could create a place to roller-skate or install basketball hoops for an unconventional court.

The Manassas, VA homeowners’ guide to fountain services

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