1.6 (ha of option 4) X (28 points (option 4) + 8 points (Twite (targeted management) + 4 points (Sensitive River) + 1 point (Water quality priority area five))
1.6 (ha o Opsiwn 4) X (28 pwynt (Opsiwn 4) + 8 pwynt (Llinos y mynydd (rheoli wedi'i dargedu) + 4 pwynt (Afon sensitif + 1 pwynt (Ansawdd dŵr – blaenoriaeth pump))