KOI Ponds and Water Gardens
Installation, Maintenance, Repairs, Cleaning

Hemphill's specializes in the design, construction and maintenance of KOI ponds and water gardens for customers throughout Maryland, Washington DC, Delaware, and Pennsylvania. We are a full service company. We can design, build, stock, landscape, maintain, repairs, and clean your KOI pond or water garden.

KOI Pond Design, Build / Installation

  • We come to your location to discuss your dream KOI pond or water garden
  • We custom design KOI ponds and then build them, to your specifications


KOI Pond Maintenance / KOI Pond Repairs

  • General / One Time Pond Maintenance
  • Circulation / Filtration System Check
  • Replacement of Filters, Pumps, Liners, and Other Pond Features as needed
  • One Time Problems / Issues - Algae Control, Deterring Undesirable Wildlife
  • Contract Maintenance Available


KOI Pond Stock - KOI Fish - Aquatic Plants - Landscaping

  • Stock KOI pond with fish (optional)
  • Stock KOI pond with aquatic plants (optional)
  • Landscape surrounding KOI pond area


KOI Pond Cleaning / KOI Pond Winterization

  • Seasonal Maintenance (such as Spring Pond Cleaning and Winterization of KOI Ponds)
  • Consultation Services
  • Waste Buildup and Debris Removal
  • Water Conditioning / Algae Control
  • Pump and Intake Screens Inspected and Thoroughly Cleaned
  • Restart Circulation / Filtration Equipment
  • Aquatic Plants Pruned, Cleaned, or Replaced as Needed


  • General Landscaping
  • Pond / Water Garden Landscaping
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Contact Us for your KOI Pond

We will be happy to come to your home or business hroughout MarylandWashington DCDelaware, and Pennsylvania) to discuss your particular KOI pond and landscaping needs. A quote will be prepared for just the services and supplies you need.

Contact Us