Cais am drwydded amgylcheddol:Rhan B6.5 Gollwng hyd at 15 metr ciwbig y dydd o elifion carthion domestig sydd wedi'u trin i'r ddaear, neu hyd at 20 metr ciwbig y dydd i ddŵr wyneb
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Ffurflen ar gau
Mae'r ffurflen ar gau ar hyn o bryd.
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