--- title: "Case Study: Enhancing Water Retention Efficiency in Jaipur with Ocean HDPE Liner 750 Micron (5,500 SQM)" date: 2025-07-07 author: "Sales Team" url: https://oceangeosynthetics.com/water-retention-with-hdpe-liner-750-micron/ --- July 7, 2025 | [Case Studies](https://oceangeosynthetics.com/category/case-studies/) # Case Study: Enhancing Water Retention Efficiency in Jaipur with Ocean HDPE Liner 750 Micron (5,500 SQM) ## Introduction: water storage in Rajasthan Rajasthan is one of India’s most water-stressed states, with much of its area arid or semi-arid and per capita water availability well below the national average. Farms there depend on stored water, and an unlined pond in sandy soil loses much of it to seepage and evaporation. In 2025, an agro-industrial client based in **Jaipur, Rajasthan** worked with Ocean Non Wovens to build a **water storage pond lined with Ocean [HDPE Liner](https://oceangeosynthetics.com/products/ocean-geomembrane/high-density-polyethylene-sheets-hdpe/) 750 Micron** for irrigation water. ## Why HDPE geomembranes for water storage Ponds made with compacted soil or concrete often suffer from seepage, erosion and high maintenance. [Geosynthetics](https://oceangeosynthetics.com/category/geosynthetics/), and HDPE [geomembranes](https://oceangeosynthetics.com/products/ocean-geomembrane/) in particular, address these problems: - **Seepage prevention:** HDPE has extremely low permeability and is effectively watertight once seams are welded and tested. - **UV and chemical resistance:** carbon black protects the sheet from strong sunlight, and HDPE is unaffected by saline water and fertiliser residues. - **Durability:** good tensile strength and puncture and stress-crack resistance give a service life of more than 20 years with proper installation. - **Flexibility:** the sheet follows irregular pond shapes and tolerates moderate settlement without cracking. HDPE liners are now a standard choice in [water conservation](https://oceangeosynthetics.com/suitable_sectors/water/) work across India. ## The Jaipur project **Scope of work:** The client needed a pond to support year-round irrigation for over 100 acres of farmland. Rainfall is erratic and the region’s sandy soils drain quickly, so earlier unlined pond designs had not held water. **Material supplied:** Ocean Non Wovens supplied **5,500 SQM of Ocean HDPE Liner 750 Micron**, installed over a pre-excavated pond base. **Typical properties of 750 micron smooth HDPE:** the values below are the GRI-GM13 minimums for a 0.75 mm sheet; request the batch test certificate for project-specific figures. | Property | Test method | Specification | | --- | --- | --- | | Thickness | ASTM D5199 | 750 Micron (0.75 mm) | | Material | | High-Density Polyethylene (HDPE), ≥ 0.940 g/cc | | Tensile strength at yield / break | ASTM D6693 (Type IV) | ≥ 11 / 20 kN/m | | Puncture resistance | ASTM D4833 | ≥ 240 N | | UV resistance | ASTM D7238 | ≥ 50% HP-OIT retained after 1600 hrs | | Seam strength (welded) | ASTM D6392 / GRI-GM19 | Shear and peel to GRI-GM19 minimums | | Chemical resistance | | High (suitable for irrigation water, fertilisers) | See the [High-Density Polyethylene](https://en.wikipedia.org/wiki/High-density_polyethylene) entry for background on the polymer. ### Installation - **Base preparation:** the pond bed was graded, compacted and cleared of sharp objects. - **Panel laying:** sheets were unrolled with 150 mm overlaps and aligned with the wind direction to reduce uplift. - **Welding:** double hot wedge welding for main seams, extrusion welding for T-joints. - **Quality assurance:** air pressure testing of the wedge seams and spark testing to check seam integrity and puncture points. - **Protection layer:** a [geotextile](https://oceangeosynthetics.com/products/geotextile-manufacturers/) cushion was laid under and over the liner. ## Results The Ocean HDPE Liner eliminated seepage loss from the pond, so the client can store and manage irrigation water far more effectively, with fewer pumping cycles needed to keep it topped up. A liner with a 20+ year life also costs less over its lifetime than a concrete-lined alternative. ## Other practical points about HDPE pond liners ### 1. Smooth, cleanable surface A smooth HDPE surface is easy to clean of silt and algae during dry-season maintenance, and it does not shed particles into the water. ### 2. Covered liners last longer Covering the liner with soil or protecting it with geotextile, where the design allows, lowers its temperature and protects it from UV, which extends its life. ### 3. Resistance to root penetration HDPE sheet resists root growth better than soil or clay linings, which helps on farm sites in rural Rajasthan, where acacia and neem grow close to ponds. Keep trees back from the pond edge regardless. ### 4. Ease of repair Ocean supplies **on-site repair kits and training** so clients can patch damage quickly. Before asking for quotes on a lined pond, see [costing a geomembrane-lined pond](https://oceangeosynthetics.com/how-much-does-geomembrane-cost/) for the full list of cost heads, a worked reservoir take-off and the places where budgets usually go wrong. ## Why Ocean Non Wovens Ocean Non Wovens manufactures HDPE geomembranes to international standards including ASTM, BIS and GRI-GM13, and supports clients from product selection and quantity estimation to on-site training and post-installation inspection. It supplies liners for farm ponds, industrial lagoons, [landfill](https://oceangeosynthetics.com/solution/environment-dewatering-landfills/) and canal lining projects. More projects are on the [case studies](https://oceangeosynthetics.com/case-studies/) page. To plan a water storage pond, contact Ocean Non Wovens or see the product range at [www.oceangeosynthetics.com](https://oceangeosynthetics.com). Get Ocean Geosynthetics in your Google feed[![](https://oceangeosynthetics.com/wp-content/uploads/2026/07/google-g-logo.svg)Add us as a preferred source on Google](https://www.google.com/preferences/source?q=https://oceangeosynthetics.com/) [![Vadodara-KLM Expressway](https://oceangeosynthetics.com/wp-content/uploads/2025/06/pexels-mahendra-meena-3887023-28146983-scaled-e1750074241950-300x169.jpg)](https://oceangeosynthetics.com/road-durability-boosted-on-vadodara-klm-expressway/) [Case Studies](https://oceangeosynthetics.com/category/case-studies/) [Case Study: Enhancing Road Durability on the Vadodara-KLM Expressway Using Ocean HDPE Geocell ](https://oceangeosynthetics.com/road-durability-boosted-on-vadodara-klm-expressway/) For the Vadodara-KLM Expressway in Gujarat, Ocean Non Wovens supplied 15,000 SQM of Ocean HDPE Geocell (75*712 mm) for ground stabilisation and soil reinforcement under… [See More](https://oceangeosynthetics.com/road-durability-boosted-on-vadodara-klm-expressway/) [![](https://oceangeosynthetics.com/wp-content/uploads/2026/09/Ocean-HDPE-Liner-300x169.webp)](https://oceangeosynthetics.com/hdpe-liner-pet-geotextile-pond-nuh-haryana/) [Case Studies](https://oceangeosynthetics.com/category/case-studies/), [Pond liner](https://oceangeosynthetics.com/category/pond-liner/) [A Pond Built to Hold Every Drop: Ocean HDPE Liner and PET Geotextile at Nuh, Haryana](https://oceangeosynthetics.com/hdpe-liner-pet-geotextile-pond-nuh-haryana/) In a water-scarce district, a pond only earns its cost if it keeps the water it collects. Nuh, in the Mewat region of Haryana, is… [See More](https://oceangeosynthetics.com/hdpe-liner-pet-geotextile-pond-nuh-haryana/) [![Canal Lining: Enhancing Water Management with Ocean Non Wovens Geotextile ](https://oceangeosynthetics.com/wp-content/uploads/2024/06/new-recently-built-highway-brcko-district-bosnia-herzegovina_181624-3266-300x200.jpg)](https://oceangeosynthetics.com/canal-lining-water-ocean-wovens-geotextile/) [Case Studies](https://oceangeosynthetics.com/category/case-studies/) [Canal Lining: Enhancing Water Management with Ocean Non Wovens Geotextile ](https://oceangeosynthetics.com/canal-lining-water-ocean-wovens-geotextile/) Ocean Non Wovens supplied 50,000 sq m of Ocean Non Woven Geotextile 520 GSM for a canal lining project in Champaran, Bihar. 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