Coppermills WTW is located in North London adjacent to the Walthamstow Wetlands and a 300- acre reservoir system providing approximately one third of London’s drinking water, supplying North and East London primarily and to the wider London water supply system.

EPS undertook the off-site construction of 12 filter flumes in stainless steel which would traditionally have been built on site in cast-in-situ concrete and the main two filter feed pipework galleries which would otherwise have been built on site. The site labour reduction brought about was 92% in this area with Zero accidents.