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10 Best Pond Liners 2026 in the United States
#1
Winner
LifeGuard POND LINER Anjon Lifeguard 20 ft. x 25 ft. 45 Mil EPDM Pond Liner
The LifeGuard 20 ft. x 25 ft. 45-mil EPDM pond liner is a solid choice for anyone looking to build or repair a pond or water feature. Made from EPDM rubber, it is both durable and flexible, which helps it withstand outdoor conditions without cracking or becoming brittle like some vinyl liners. Its 45-mil thickness offers good puncture resistance, helping it last longer even with sharp objects or rough surfaces below. The liner is specially designed to be safe for fish, turtles, and plants, making it well suited for koi ponds, aquaponics, or water gardens. It also resists damaging UV rays, which is important if your pond gets plenty of sun.
Rating
10.0
Chosen by1,123
Material
Most important from
723 reviews
#2
LifeGuard Pond Liner 30 ft. x 40 ft. 60 Mil EPDM Rubber and Underlayment Combo - CLGUG30X40-60
The LifeGuard Pond Liner is made from 60-mil thick EPDM rubber, a material known for its durability and flexibility, making it strong enough for heavy-duty uses like supporting large rocks and creating complex pond shapes. Its thickness offers good resistance to punctures and tears. The liner is UV resistant and does not contain plasticizers, so it won’t become brittle or crack over time under sun exposure, ensuring a long-lasting protective barrier for your pond.
Rating
9.1
Material
Thickness
UV Resistance
Most important from
28 reviews
#3
LifeGuard Pond Liner 20 ft. x 25 ft. 45 Mil EPDM Rubber and Underlayment Combo - CLGUG20X25
The LifeGuard Pond Liner is made from 45-mil thick EPDM rubber, a material known for its durability and flexibility, making it a solid choice for various water features like ponds, waterfalls, and koi habitats. Being puncture resistant and free from plasticizers, it promises long-lasting performance without cracking or brittleness, which is important for maintaining a secure water barrier. The inclusion of an UnderGuard underlayment adds extra protection against sharp objects below the liner, reducing the risk of damage.
Rating
8.8
Material
Thickness
Fish and Plant Safety
Most important from
262 reviews
Top 10 Best Pond Liners 2026 in the United States
#1
Winner
LifeGuard POND LINER Anjon Lifeguard 20 ft. x 25 ft. 45 Mil EPDM Pond Liner
LifeGuard POND LINER Anjon Lifeguard 20 ft. x 25 ft. 45 Mil EPDM Pond Liner
Material: EPDM rubber
Thickness: 45-mil
UV Resistance: resists UV rays
Size and Shape: 20 ft x 25 ft
Fish and Plant Safety: safe for fish, turtles, plants
Chosen by 1123 this week
LifeGuard Pond Liner 30 ft. x 40 ft. 60 Mil EPDM Rubber and Underlayment Combo - CLGUG30X40-60
LifeGuard Pond Liner 30 ft. x 40 ft. 60 Mil EPDM Rubber and Underlayment Combo - CLGUG30X40-60
Material: EPDM rubber
Thickness: 60-mil
UV Resistance: Yes
Size and Shape: 30x40 ft flexible sheet
Fish and Plant Safety: Certified fish and plant safe
LifeGuard Pond Liner 20 ft. x 25 ft. 45 Mil EPDM Rubber and Underlayment Combo - CLGUG20X25
LifeGuard Pond Liner 20 ft. x 25 ft. 45 Mil EPDM Rubber and Underlayment Combo - CLGUG20X25
Material: EPDM rubber
Thickness: 45-mil
Size and Shape: 20 ft by 25 ft
Fish and Plant Safety: certified fish and wildlife safe
Lifeguard 15 ft. x 20 ft. EPDM Pond Liner – 45-Mil Rubber Liner for Outdoor Ponds, Waterfalls, Aquaponics, Retention Basins – Durable & Fish Safe
Lifeguard 15 ft. x 20 ft. EPDM Pond Liner – 45-Mil Rubber Liner for Outdoor Ponds, Waterfalls, Aquaponics, Retention Basins – Durable & Fish Safe
Material: EPDM rubber
Thickness: 45-mil
UV Resistance: UV resistant
Size and Shape: 15 ft x 20 ft
Fish and Plant Safety: fish and wildlife safety certified
Lifeguard 30 ft. x 40 ft. EPDM Pond Liner – 60-Mil Rubber Liner for Outdoor Ponds, Waterfalls, Aquaponics, Retention Basins – Durable & Fish Safe
Lifeguard 30 ft. x 40 ft. EPDM Pond Liner – 60-Mil Rubber Liner for Outdoor Ponds, Waterfalls, Aquaponics, Retention Basins – Durable & Fish Safe
Material: EPDM rubber
Thickness: 60-mil
UV Resistance: excellent UV resistance
Size and Shape: 30 ft x 40 ft
Fish and Plant Safety: safe for fish and aquatic life
Related Products
LifeGuard Pond Liner 15 ft. x 20 ft. 45 Mil EPDM Rubber and Underlayment Combo - CLGUG15X20
LifeGuard Pond Liner 15 ft. x 20 ft. 45 Mil EPDM Rubber and Underlayment Combo - CLGUG15X20
Material: EPDM rubber
Thickness: 45-mil
UV Resistance: performs well against sun damage
Size and Shape: 15 by 20 feet
Fish and Plant Safety: certified safe for fish and plants
HALF OFF PONDS - 50 ft. x 50 ft. 20-Mil LLDPE Pond Liner for Ponds, Lakes and Retention Basins
HALF OFF PONDS - 50 ft. x 50 ft. 20-Mil LLDPE Pond Liner for Ponds, Lakes and Retention Basins
Material: LLDPE
Thickness: 20-mil
UV Resistance: UV resistant
Size and Shape: 50 ft x 50 ft, flexible
Fish and Plant Safety: safe for fish and plants
Lifeguard 15 ft. x 15 ft. EPDM Pond Liner – 45-Mil Rubber Liner for Outdoor Ponds, Waterfalls, Aquaponics, Retention Basins – Durable & Fish Safe
Lifeguard 15 ft. x 15 ft. EPDM Pond Liner – 45-Mil Rubber Liner for Outdoor Ponds, Waterfalls, Aquaponics, Retention Basins – Durable & Fish Safe
Material: EPDM rubber
Thickness: 45-mil
UV Resistance: resists UV damage
Size and Shape: 15 ft x 15 ft sheet
Fish and Plant Safety: safe for fish and wildlife
Lifeguard 15 ft. x 20 ft. EPDM Pond Liner – 60-Mil Rubber Liner for Outdoor Ponds, Waterfalls, Aquaponics, Retention Basins – Durable & Fish Safe
Lifeguard 15 ft. x 20 ft. EPDM Pond Liner – 60-Mil Rubber Liner for Outdoor Ponds, Waterfalls, Aquaponics, Retention Basins – Durable & Fish Safe
Material: EPDM rubber
Thickness: 60-mil
Size and Shape: 15 ft x 20 ft
Fish and Plant Safety: certified fish and wildlife safe
#10
yeezoo 40X50FT Reinforced Large PE Pond Liner, KOI Pond Liners for Outdoor Ponds, Enhanced 5-Layer Structure Pond Liner for Fish, Duck, Garden Raised Bed and Waterscape Pond(0.82oz/sq ft Thickness)
yeezoo 40X50FT Reinforced Large PE Pond Liner, KOI Pond Liners for Outdoor Ponds, Enhanced 5-Layer Structure Pond Liner for Fish, Duck, Garden Raised Bed and Waterscape Pond(0.82oz/sq ft Thickness)
Material: reinforced HDPE with coatings
Thickness: 0.03 inches
UV Resistance: yes
Size and Shape: 40x50FT, fits various shapes
Fish and Plant Safety: safe
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Buying Guide for the Best Pond Liners
Choosing the right pond liner is crucial for creating a durable and leak-proof pond. The liner is the foundation of your pond, and selecting the right one will ensure that your pond holds water effectively and lasts for many years. When picking a pond liner, consider factors such as the size and shape of your pond, the type of material, thickness, and UV resistance. Understanding these key specifications will help you make an informed decision that best suits your needs.MaterialThe material of the pond liner is important because it determines the liner's durability, flexibility, and resistance to punctures. Common materials include PVC, EPDM rubber, and HDPE. PVC liners are affordable and flexible but may not be as durable as other options. EPDM rubber liners are highly flexible, durable, and resistant to UV rays, making them a popular choice for many pond owners. HDPE liners are very durable and resistant to chemicals but can be less flexible. Choose a material based on the specific needs of your pond, such as the shape and the type of plants and fish you plan to have.
ThicknessThe thickness of the pond liner affects its durability and resistance to punctures. Thicker liners are generally more durable and less likely to be damaged by rocks, roots, or other sharp objects. Pond liners typically range from 20 mil to 60 mil in thickness. For small decorative ponds, a 20-30 mil liner may be sufficient. For larger ponds or those with more demanding conditions, such as heavy plant or fish loads, a 45-60 mil liner is recommended. Consider the environment and potential hazards in your pond area when choosing the thickness.
UV ResistanceUV resistance is important because it determines how well the pond liner can withstand exposure to sunlight. UV rays can degrade the material over time, leading to cracks and leaks. Liners with high UV resistance will last longer and require less maintenance. EPDM rubber liners are known for their excellent UV resistance, while PVC liners may degrade more quickly if exposed to direct sunlight. If your pond will be in a sunny location, prioritize a liner with good UV resistance to ensure longevity.
Size and ShapeThe size and shape of your pond liner should match the dimensions of your pond. It's important to measure your pond accurately, including the depth, to ensure you purchase a liner that is large enough to cover the entire area with some overlap. Liners are available in various sizes, and some materials can be seamed together to create custom shapes. When planning your pond, consider the liner's flexibility and how easily it can conform to the contours of your pond. A flexible liner, like EPDM rubber, is easier to work with for irregular shapes.
Fish and Plant SafetyIf you plan to have fish and plants in your pond, it's important to choose a liner that is safe for aquatic life. Some liners may contain chemicals that can be harmful to fish and plants. EPDM rubber liners are generally considered safe for fish and plants, while some PVC liners may require additional treatment to be safe. Check the manufacturer's specifications to ensure the liner is non-toxic and suitable for your pond's ecosystem. Prioritizing fish and plant safety will help create a healthy and thriving pond environment.