Daw'r cam wrth i nifer y digwyddiadau llygredd amaethyddol – sy’n cael eu derbyn yn eang fel digwyddiadau sy'n niweidiol i iechyd pobl, bywyd gwyllt a chyfleoedd thwristiaeth - barhau'n uchel iawn, mwy na thri yr wythnos ar gyfartaledd yn ystod y tair blynedd diwethaf. Mae rhai o'r rhain wedi arwain at lygru ffynonellau dŵr yfed a dinistrio planhigion a bywyd dyfrol mewn rhannau o ddyfrffyrdd Cymru.
The move comes as agricultural pollution incidents, which are widely accepted as being detrimental to human health, wildlife and tourism opportunities remain very high, averaging over three per week in the last three years. Some of these have led to the contamination of drinking water sources and the destruction of plant and aquatic life in parts of Wales’ waterways.