In order to ensure that the water quality is compliant with prevailing legislation, we take samples from the river at Maidenhead Rowing Club, and Boulter’s Lock, and have them professionally tested.
The latest results are published below.
In order to ensure that the water quality is compliant with prevailing legislation, we take samples from the river at Maidenhead Rowing Club, and Boulter’s Lock, and have them professionally tested.
The latest results are published below.


* ‘0’ simply means any traces were so minimal, they didn’t trigger a reading in our lab testing.
**Total viable count (TVC) is a test that estimates the total numbers of microorganisms, such as bacteria, yeast or mould species, that are present in a water sample at standard temperature testing environment
Standards are taken from the UK Parliamentary Bathing Water Directive. 167