---
title: Water Leakage at Reservoir | Geopolymer Sealant Solution | Geobear
description: Geobear stopped 500m³/day leakage at Cobbinshaw Reservoir using geopolymer injection. Minimal drawdown and instant sealing at an SSSI-protected site.
---

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# [Water Leakage at Reservoir | Geopolymer Sealant Solution | Geobear](https://www.geobear.com/en-gb/infrastructure/references/stopping-water-leakage-at-cobbinshaw-reservoir-geopolymer-sealant-solution-geobear)

 Written by [Paul Garthwaite](https://www.geobear.com/en-gb/infrastructure/references/author/paul-garthwaite) | Nov 27, 2025 1:54:31 PM

[View full post](https://www.geobear.com/en-gb/infrastructure/references/stopping-water-leakage-at-cobbinshaw-reservoir-geopolymer-sealant-solution-geobear)

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