Prif swyddogaethau’r Cyngor yw:
Main functions undertaken by the Council include:

• Cynnal a chadw’r parciau yn ein meddiant sef Parciau Cefneithin, Drefach a Gorslas. 
• Maintaining the three parks the Council owns i.e Cefneithin, Drefach and Gorslas Parks.
• Ystyried materion cynllunio
• Consider planning matters
• Cydweithio gyda’r adran Priffyrdd Sirol ar fesurau arafu traffic a gwelliannau priffyrdd. 
• Working in conjunction with County Highways on traffic calming measures and highway improvements
• Cydweithio â’r heddlu i warchod y gymuned.
• Working with the police to safeguard the community
• Delio â materion lleol a godir gan y gymuned.
• Dealing with local issues raised by the community
• Cynnal a gwefru goleuadau ar lwybrau penodedig.
• Maintenance and energising of certain footway lighting
• Darparu cefnogaeth ariannol ar gyfer amryw o sefydliadau gwirfoddol lleol. Gweler Adran Gyllid.
• Providing financial assistance for various local voluntary organisations. See Finance Section. 
• Darparu cefnogaeth ariannol i amryw elusennau yn y gymuned. Gweler adran Gyllid.
• Providing financial assistance for Charities in the community. See Finance Section.
• Cynnal a chadw meinciau a hysbysfyrddau cyhoeddus penodedig.
• Providing and maintaining of certain public seating and notice boards.
• Penodi cynrychiolwyr i nifer o gyrff lleol ac allanol.
• Appointing representatives to numerous local and outside bodies
• Enwebu cynrychiolwyr i ysgolion cynradd lleol.
• Nominating  representatives to local primary schools
• Cynnal a chadw rhai cysgodfeydd bysiau.
• Maintaining certain bus shelters
• Comisiynu astudiaethau a gweithio mewn partneriaeth.
• Commissioning studies and work in partnership