Rhian Jeremiah, 26, left teethmarks in the bodywork of the white Fiat 500 after drinking heavily.
Residents remain on alert while the cleanup continues in parts of West Wales affected by yesterday's floods.
Homes and businesses are being pumped clear after flash floods left several properties under water.
The father of a missing Cardigan man has spoken of how difficult life has been over the past nine months since his son went missing.
Thirty-six-year-old Owain Roberts was last seen out walking on 10th March, not far from his home town of Cardigan, Ceredigion.
Owain was due to meet his father near a church in Mwnt, but failed to show up.
As Christmas approaches Owain's father is making a fresh appeal for any information about his son's whereabouts.
You can see more on this story tonight at 9pm on 'Y Byd Ar Bedwar' on S4C.
The Environment Agency warns the following areas are still at risk of flooding:
Bridgend: Rivers Llynfi and Ogmore
Bridgend, Vale of Glamorgan, Rhondda Cynon Taf: River Ewenny and Vale of Glamorgan west
Carmarthenshire: Rivers Bran and Gwydderig
Carmarthenshire, Swansea: Rivers Loughor and Amman
Ceredigion, Carmarthenshire, Pembrokeshire: Lower Teifi
ITV Wales' reporter David Wood who is in Cardigan says that water levels have receded after flash flooding in the town.
Several properties and businesses were inundated with water after heavy rain in west Wales.
Arriva Trains Wales say they are dealing with flooding between Pontypridd and Treherbert, between Pontypridd and Aberdare and between Pontypridd and Merthyr Tydfil due to flooding at Pontypridd.
The manager of the Angel Hotel in Cardigan, Ed Reef, says the heavy rain fell for around 45 minutes.
Ed Reef says that the Eagle Inn pub has been evacuated after several feet of rain flooded through the building. He also says that a shop opposite has also been completely flooded.
He also says that Fire crews are currently pumping several properties clear in St Mary Street.
– Ed Reef, Manager of Angel Hotel
I can see three fire brigades, a response van and police officer and everyone is being forced to go a different way because the road is closed.
Mid and West Wales Fire Service say they are dealing with a large number of call following flash flooding in the centre of Cardigan. They currently have nine appliance pumping out properties in the Pwllhai, Morgan Street and Castle Street areas of the town.
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Aberporth received 16 mm of rain in just one hour on Thursday afternoon as a pulse of heavy rain moved eastwards across Wales.
Met Office have extended weather warnings for heavy rain for many parts of Wales until 8pm this evening. Surface water flooding may occur where rain is falling on already saturated ground.