Lake at Aldenham Country Park
|Basin countries||United Kingdom|
|Surface area||55 acres (220,000 m2)|
It was built between 1795 and 1797 by the Grand Junction Canal Company, to control the water levels in the River Colne following the construction of the Grand Junction Canal, and was hand dug by French prisoners of war.
An inspection report on the condition of the reservoir's dam in September 2019 revealed it to be a stable structure and in good condition, but requiring longer-term repair. Originally, the reservoir was 65 acres (260,000 m2) in extent, but following repairs to the dam its surface area was reduced to 55 acres (220,000 m2).
Since 1973 the reservoir has no longer been required for drinking water.
The reservoir has been used for recreational purposes, including fishing and sailing. However, following an inspection of the dam in 2019, the current owners dropped the water level to reduce pressure on the structure. This raised questions about the future use of the reservoir. There have also been suggestions that public access will be reduced with the reservoir fenced off from Aldenham Country Park.
- Hertsmere Borough Council: tourism and travel
- Herts Direct: Borehamwood Plateau: Physical Influences: Hydrology
- Hughes, A.K. (2019). "Aldenham Reservoir: Report on an Inspection Under Section 10(2) of the Reservoirs Act 1975" (PDF).
- Louis, Nathan (March 2020). "Water level at Aldenham Reservoir drops". Watford Observer.
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