STILLWATER LOGO.png STILLWATER LOGO.png
  • About Us
  • Clients
  • Services
  • Projects
  • Team
  • Careers
  • Blog
  • Contact
  • About Us
  • Clients
  • Services
  • Projects
  • Team
  • Careers
  • Blog
  • Contact

Stowe Landscape Gardens Reservoir Safety Works

Project : Reservoir Safety Works

Client : The National Trust

Date of Services : 2013 to 2014

Scope of work

  • A feasibility study to look at the various options of how the spillway capacity could be increased, including attending consultation meetings with various stakeholders
  • Detailed design and tender documents
  • Engineering support during construction
  • Reservoir Act “Qualified Civil Engineer” to oversee the design and construction and certify the completed works
  • Support to environmental and planning consultants to provide a coordinated service.

Project description

Octagon Lake is set within Stowe Landscape Gardens, a Grade 1 listed landscape owned by the National Trust.

Stillwater Associates worked with conservation architects on the feasibility stages, design stages and construction support of works to increase the spillway capacity of 200 year old dam. The new culverted spillway was successfully constructed amongst the existing historic masonry structures and mature planting along the crest of the embankment.

Next case study

Other recent projects

Eyebrook - Cropped.jpg
Eyebrook ReservoirNew Auxiliary Spillway Scope of work: Reservoir engineering services throughout the project, including:  design, planning assistance, construction tender process and technical support during construction
052a.JPG
Vann LakeNew Spillway Channel Construction Scope of work: Reservoir engineering services throughout the project, including; tendering, construction and ongoing environmental support.
  • Home
  • About Us
  • Clients
  • Services
  • Projects
  • Team
  • Careers
  • Contact
  • Privacy and cookies
Contact Stillwater

Email: office@stillwater-associates.co.uk
Phone: 01737 768237

Stillwater Associates
Chapter House
33 London Road
Reigate
Surrey RH2 9HZ

Follow Stillwater

© 2026 Stillwater Associates – Reservoir Safety & Water Consultancy