Average dry solids of the raw sludge Welsh Water's larger works produce

3.1%2024-25sourcedmedium confidence

Welsh Water already pumps and tankers sludge this watery between its works. Our sum from the company's published return.

Welsh Water, Bioresources market information 2024-25sheet WwTW: quantity of raw sludge and its average dry solids, for the 137 larger works

73,933 tDS of sludge, at each works' own dry-solids percentage, is 2,353,826 tonnes of wet sludge as produced: 73,933 ÷ 2,353,826 = 3.1%. Median works 3.7%; range 0.4% to 7.2%.