Lluest-wen Reservoir

Construction of the reservoir was completed in 1898. In its formative years, there were several incidents of the reservoir suffering damage. Two minor leaks in the embankments were fixed during the first decade. A larger leak was filled in with around 40 wheelbarrows of rubble in December 1910 and required refilling a year later. Settling issues caused further issues in the 1910s and rerouting work was undertaken when it was discovered that the top of the core in the embankments was only 2 ft above the water level. In April 1917, a local official recommended that the reservoir be drained or the water level significantly lowered to avoid any risk of destabilising the dam. Work was carried…