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*The Angi rating for Fountain Service companies in Sullivan, NH 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 Sullivan, NH 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 July 07, 2026

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Avatar for Deep Green Landscaping, LLC
Deep Green Landscaping, LLC
4.7(
3
)
Water Feature - Install a Fountain or Waterfall

Serving Sullivan, NH and surrounding areas

In business since 2013

Free estimates

Emergency services offered

"Jacob was very friendly and helpful. Did a very good job. Showed up on time. I'm pleased with the result."
Moving some rocks
Addin some irrigation
building a natural sone wall
Project materals
The start

+58

Response time5 hrs
Recommended by100%of homeowners
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SW Branch
New to Angi
Water Feature - Install a Fountain or Waterfall

Serving Sullivan, NH and surrounding areas

In business since 1988

Free estimates

Credit card accepted

Old Sugar House building - excavating contractors is fully committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with 38 years and the ability is what makes our firm professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.

Response time30 mins
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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.

Most home misters use several cups of water in a couple of minutes, or around a gallon per hour of use. That varies greatly depending on the size of the system and the power of the pump. If you are using professional services, you should ask about water use for your planned system when you’re getting an estimate. If you are using a water tank, make sure it’s filled before operation.

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.

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.

The Sullivan, NH 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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