Serving Lexington & Central Kentucky Fish & Koi Ponds

Fish & KOI Pond Installation

Custom ponds designed and built for Lexington & Central Kentucky homes, by one local team.

Fish & Koi Ponds by H2O Designs in Central KentuckyOne teamdesign to build
Fish & Koi Ponds

Transform your Outdoor Space into a Tranquil Backyard Oasis Today

Imagine stepping into your backyard and being greeted by the soothing sounds of water cascading over rocks, the vibrant colors of koi fish gliding effortlessly beneath the surface, and the natural beauty of aquatic plants swaying in the breeze. A koi or fish pond isn't just a water feature—it's a sanctuary, a place of peace and tranquility that reconnects you with nature. At H2O Designs, we specialize in creating custom koi ponds that provide homeowners across Lexington and Central Kentucky with a serene escape right in their own yard.

Aquascape certified20+ years of pondsDesign to maintenance
Fish & Koi Ponds

Everything You Should Know About Fish & Koi Ponds

The details we walk through with homeowners at every consultation, so you can make the right choice for your yard.

Experience the Natural Balance of an Aquascape Ecosystem Pond in Central Kentucky01
Fish & Koi Ponds

Experience the Natural Balance of an Aquascape Ecosystem Pond

At H2O Designs, we believe that a beautiful pond should be as easy to maintain as it is enjoyable. That’s why we embrace the Aquascape Pond Ecosystem philosophy. By working with nature rather than against it, we create ponds that thrive with minimal intervention.

Our ecosystem pond filtration philosophy relies on the perfect balance of:

  • Fish: Koi and other pond fish contribute to the ecosystem by eating algae and producing waste that fertilizes plants.

  • Aquatic Plants: Plants like water lilies and marginals absorb excess nutrients, reducing algae growth and enhancing water clarity.

  • Beneficial Bacteria: These microorganisms break down organic matter and help maintain clear, healthy water.

  • Mother Nature: The combination of rocks, gravel, and circulating water naturally filters the pond and supports a thriving ecosystem.

This approach ensures that your pond not only looks stunning but remains low-maintenance and crystal-clear year-round.

Certified Aquascape Contractors with Over 20 Years of Experience in Central Kentucky02
Fish & Koi Ponds

Certified Aquascape Contractors with Over 20 Years of Experience

As Certified Aquascape Contractors (CACs) with over two decades of expertise, H2O Designs is your trusted partner for koi and fish pond installations in Central Kentucky. We are passionate about bringing the highest level of craftsmanship and innovation to every project, and our partnership with Aquascape ensures that your pond is built to the highest standards of functionality and beauty.

Being a CAC means we are continuously trained on the latest techniques and products to ensure your pond is not just a water feature but a sustainable, self-sufficient ecosystem you’ll enjoy for years to come.

A Custom Pond Tailored to Your Vision in Central Kentucky03
Fish & Koi Ponds

A Custom Pond Tailored to Your Vision

At H2O Designs, we understand that no two homeowners are alike. That’s why we take a personalized approach to every koi pond installation. Our custom design process begins with a detailed consultation where we listen to your ideas, explore your space, and discuss your vision. From there, we craft a bespoke pond design that integrates seamlessly into your landscape, reflecting your personal style and meeting your specific needs.

Whether you dream of a large koi pond filled with vibrant fish or a small, intimate water garden surrounded by lush greenery, our expert team will bring your vision to life.

Before we build

Planning Your Pond: What We Look At

Here is what we think through before we build any water feature.

01

Where to put it

Water features are best seen and heard from the house and patio. We pick a spot you will enjoy every day and that works with your yard's natural slope.

02

Size & sound

From a gentle trickle to a roaring waterfall, the pump size and the drop of each falls shape the sound. We match it to your space and your taste.

03

Fish, plants & wildlife

Fish and aquatic plants are part of a balanced ecosystem, and birds, frogs and butterflies will follow. We plan depth and plant shelves for them.

04

Power & upkeep

We plan electric for pumps and lighting, and talk honestly about the care each type of feature needs over the seasons.

How it works

From first visit to finished pond

  1. 1Consultation

    We walk your yard, talk about the sights and sounds you want and look at budget.

  2. 2Custom design

    We design the water feature to fit your landscape, from rock layout to plants and lighting.

  3. 3Expert build

    Our certified crew builds it with Aquascape ecosystem methods for clear, healthy water.

  4. 4Care that lasts

    Seasonal maintenance, cleanouts and our retail store keep it running for years.

Testimonials

What Our Clients Say

4.8154 Google reviews

Jeff converted my old pond to a pondless waterfall. It is gorgeous and I love the sound. The H2O crew was efficient and neat. If you want to add a water feature to your yard give Jeff a call.

H
Harriett · Google review
Backyard pool and landscape lighting built by H2O Designs
G
GrahamGoogle review

Wide selection, friendly staff, well priced! Very happy with our new koi fish and recent service in Richmond to our pond! Will definitely be back! Thanks H2O Designs!

C
ClifGoogle review

In middle of project with Jeff and his team. Greta design work and able to see out vision. They are dedicated to working all day to get project finished on time. Attention to detail is remarkable. Job site is cleaned up daily. So impressed with everything..great experience!

Care & upkeep

Caring for Your Pond in Central Kentucky

Every water feature needs a little seasonal care. Here is what to expect.

Spring
A cleanout, filter check and startup gets the season off to a clear, healthy start.
Summer
Top off water lost to evaporation and use beneficial bacteria to keep the water clear.
Fall
Netting keeps leaves out, and trimming plants back keeps debris from building up.
Winter
We help you decide whether to run it through winter or shut it down safely.
Frequently Asked Questions

Koi Pond Questions, Answered

Every tile is a real H2O Designs project. Tap one to read the answer.

QUESTION 01
What is the ideal depth and size for a healthy Koi Pond?

A healthy Koi Pond should have a minimum depth of three feet in some areas to protect koi from predators and extreme temperatures. The overall size should match your long-term stocking goals, giving koi enough swimming room and providing enough water volume to keep water chemistry stable.

QUESTION 02
What is the most important component of a Koi Pond’s filtration system?

The most important part of a koi pond’s filtration system is the biological filter, supported by good mechanical filtration. Mechanical filters remove leaves and debris, but the biological filter—packed with beneficial bacteria—converts toxic fish waste into safer compounds, keeping the water healthy and clear.

QUESTION 03
How often does a Koi Pond require professional maintenance?

Most koi ponds should have at least one professional deep clean per year—usually a spring cleanout—to remove sludge and reset the system. Between cleanouts, regular owner maintenance (filter rinsing, skimmer cleaning, water tests) keeps the ecosystem stable.

QUESTION 04
Are Koi Ponds especially susceptible to algae, and how is it managed?

Yes, all koi ponds are susceptible to algae, especially in warm, sunny climates. The best control is a balanced ecosystem approach that combines proper filtration, strategic aquatic planting, and beneficial-bacteria-based treatments rather than harsh chemicals.

QUESTION 05
How do you protect koi from local predators like herons?

We design predator protection into the pond itself—using deeper zones, steep sides, and built-in fish caves and hiding spots. These features make it difficult for herons and raccoons to hunt and give your koi safe places to retreat when threatened.

QUESTION 06
Can I add aquatic plants to my Koi Pond, or will the fish eat them?

You can—and should—add aquatic plants to a koi pond. Some varieties are more koi-resistant than others, like water lilies and hardy marginals. They provide shade, natural filtration, and nutrient uptake, all of which help water clarity and fish health, even if koi nibble them occasionally.

Still have a question about your project?Schedule a Consultation
Why H2O Designs

Why Choose H2O Designs for Your Pond?

Enhance Your Outdoor Living Space Today

A koi or fish pond from H2O Designs is more than a water feature—it’s a retreat, a centerpiece for your outdoor space, and a source of joy for years to come. Ready to transform your backyard into a tranquil haven? Contact us today to schedule your consultation and take the first step toward owning the pond of your dreams.

Experience the peace and serenity only a custom-designed pond can bring. Let H2O Designs create your personal oasis right here in Central Kentucky.

Certified & authorized

Aquascape certified

Trained in the ecosystem approach that keeps ponds and water features clear, healthy and easy to care for.

Over 20 years of ponds

We have built and maintained ponds and water features across Central Kentucky for more than two decades.

Supplies on site

Our Nicholasville store stocks pumps, filters, treatments, plants and fish, so help is close by.

Maintenance after

Spring cleanouts, fall netting and ongoing care plans from the same team that built it.

Design consultation

Let's Plan Your Pond Together

Sit down with our design team, at your home or at our store, to talk through ideas, materials and budget. No pressure, just a plan you can feel good about.

  • We walk your space and listen first
  • Material and layout ideas for your yard
  • Clear next steps and financing options
H2O Designs team reviewing a backyard design with homeowners outside the Nicholasville storeNicholasville, KY
Visit our retail store

See pond ideas in person

Our store and design center has full-size outdoor living displays, plus the largest selection of pond and water garden supplies in Central Kentucky. Come touch the materials, get ideas and talk with our team.

Address250 N Plaza Dr, Nicholasville, KY 40356
Store hoursMon–Fri 9 AM – 5:30 PMSat 9 AM – 2 PM · Closed Sunday
Store phone859-305-7049
Service area

Fish & Koi Ponds Across Central Kentucky

From our home base in Nicholasville, we design and build ponds for homeowners throughout Lexington and the surrounding Central Kentucky communities, including:

  • Lexington
  • Nicholasville
  • Georgetown
  • Versailles
  • Richmond
  • Danville
  • Somerset
  • Surrounding areas

Don't see your town? Give us a call at (859) 305-7049. If you're in Central Kentucky, there's a good chance we serve your area.