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Water Harvesting Using Dam liners

Admin - January 1, 2023 - 3 comments

Water Harvesting using dam liners is slowly becoming a reality because of the ever changing climate and lack of water. Water harvesting using dam liners will go a long way in providing water for irrigation, animal use, industrial use and fish pond liners for fish farming. According to a recent twitter post, saving water with dam liners is one of the best ways of solving perennial water shortage faced by farmers and the general public.

Dam liner installed in Bungoma

What are dam liners for water harvesting?

Dam liners are flexible impermeable plastics used for holding or retaining water. They provide a permanent seal and lining of reservoirs and water pans in porous soils.

Various dam liners and their recommended use.

Type (0.5mm) (0.75mm) (1.0mm )
Uses and RecommendationFor use where there are no sharp objects. Applicable for medium dams. Can hold upto 4,000m3Applicable for large projects Can hold more than 4,000m3Applicable for large projects. Can hold more than 4,000m3
DimensionsLengths of upto 200m and widths of upto 8m. Can be welded together.Lengths of upto 150m and widths of upto 8m. Can be welded together.Lengths of upto 120m and widths of upto 8m. Can be welded together.
Lifespan10-15 years15-20 years20-30 years
UV StabilisedUV treated to ensure longevityUV treated to ensure longevityUV treated to ensure longevity

Qualities of good dam lining materials for water harvesting

Water harvesting using dam liners requires the very best dam liner materials so as to last long. Features of good dam lining materials are as follows:

  • Good dam liners must be UV treated to increase longevity. Quality dam liners can last between 10-30 years depending on the thickness and gauge.
  • They should be made from virgin materials, not recycled. Recycled dam liners have very short lifespan and tend to crack within 1 year.
  • The materials should be highly resistant to abrasion and puncturing.
  • They should be available in a wide variety as HDPE, PVC and LLDPE.
  • They should be easy to work with.
Dam liner installed in Kitale

What to look for when purchasing dam liners for water harvesting

Before purchasing dam liners, always consider, type of material used, thickness, size of the dam among other features. It is advisable to get the right dimensions of the dam before purchasing the liner.


Installation of dam liners includes processes such as excavation, smoothening, welding, lining and filling and pumping water into the dams using hdpe pipes.

Dam liner installed in Busia, Kenya

Where to buy Dam liners for water harvesting

You can get your dam liners from Grekkon Limited offices across the country. Our technical team is on standby to assist with selection and installation. Call us today on 0711 895 635 to place your order.


  1. Terry

    I’m interested in purchasing a damlinner that can last more than 10 years. Can you give me the price and availability

  2. Walter Apiyo Apiyo

    What can be the total cost of a dam of 40,000cubic litres of water.
    I’m in Seme Sub-County of Kisumu, 4Kms from Lake Victoria. The area is hot and receives very little rainfall

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