Alister Leggatt

Alister Leggatt


Alister Leggatt is an Asset Manager within Affinity Water, a water supply company operating in the south-east of England, responsible for delivery of their catchment management programme to improve water quality. He has worked at Affinity Water for over 15 years in a variety of roles and has been leading an enthusiastic catchment management team for 10 years. Alister is an experienced practitioner of environmental management as well as having expertise as a water quality scientist. His current focus is on working in partnership with a range of sectors, including agriculture, to develop integrated catchment solutions to water quality issues posing a risk to public water supply including pesticides, nitrate and industrial pollutants. Affinity Water are the headline sponsor of Groundswell 2021 are keen to promote farming practices that are beneficial for both soil and water.

Rainfall Simulator

Big Top

See the dramatic effect of two inches of rainfall on soils under different management regimes: no-till and cultivated, with and without cover and under permanent pasture.


Farming & Water, Allies or Enemies?

Old Dairy

Parts of the UK are now officially severely water stressed while flooding is becoming more frequent and severe. The hydrology of our water catchments has changed over the last century. There have been large changes in agricultural policy and practices relating to water on farmland. It now seems highly likely that these facts are strongly […]