This needs to include the area you are applying to be recognised as a bathing water, together with the point where most bathers are generally expected.
Mae angen i hyn gynnwys yr ardal rydych chi'n gwneud cais i gael ei chydnabod fel dŵr ymdrochi, ynghyd â'r fan lle mae disgwyl y rhan fwyaf o ymdrochwyr yn gyffredinol.