An ITV News investigation has revealed the worrying scale of contamination and pollution in our rivers from farm waste.
The probe with the Bureau of Investigative Journalism shows last year there were 328 incidents in Wales, which included toxic slurry entering waterways.
Incidents in the last year in Wales include:
Hundreds of gallons of milk entering waterway
Human waste in water systems
Large tyre fires
Slurry entering rivers and killing fish
450,000 litres of slurry poured into a tributary of the River Honddu
The Welsh Government says tackling agricultural pollution is crucial to improving water quality.