A couple say their garden is being eroded and their foundations damaged by an 'out of control' stream running through their home.
Maureen and Colin McBeth say the tiny Mile Burn used to be a 'trickle' but now regularly turns into a 'torrent'.
They say the stream through their garden could be damage garage foundations and has been flooded twice in three years.
The watercourse has started overflowing repeatedly, slowly eroding their garden by over three feet, damaging their garage foundations, and even uprooting trees.
Maureen, 62, says that the issues have started due to a new water source flowing into the stream - and that local maps suggest the watercourse should be only a trickle.
Maureen and Colin McBeth say water from the Mile Burn has started overflowing regularly, eroding over three feet of their garden
The watercourse is damaging the wall supporting the driveway and destroying the garage foundations, Mrs McBeth (pictured) says
The crisis has become so bad that they have already been forced to pay a huge removal sum for a damaged wall sitting atop the Burn.
They are now demanding an investigation into the excess water flow.
Mrs McBeth of Gourock, Scotland, said: 'We came back to Gourock to live three years ago and we were only back two days when the garage flooded.
'We had our packing boxes inside it at the time and they were soaking.
'Mile Burn runs through our property and is eroding our garden and damaging the wall that supports our driveway and the foundations of our garage, as well as that of our neighbours.'
When the couple bought the house on First Crescent road in 1991, the bern was just a 'trickle'.
Mrs McBeth said: 'From the Ordnance Survey map it runs from Earnhill down through the nearby golf course and splits into the burn running along Kirn Drive.
'This should be a natural burn, but there is water coming from another source.
'During the excessive dry spell this summer it was running like a torrent.
'It is continuous day and night, all-year round.'
The couple say what was a trickle from the burn has now become a torrent, due to a new source entering the stream
Despite their efforts, the Maureen says that the couple have been stonewalled by Scottish Water and Inverclyde Council and a councillor.
She added: 'We believed that the council and the water board are responsible for it. The water source is constant.
'We are wondering if it could be a burst pipe at Earnhill pumping station or industrial units at Larkfield Estate.
'Our fear now is it could go into the summerhouse in the garden.
'The matter has been an issue for years and our neighbours have had no satisfaction in resolving the issue either.
'I do not see why we and other residents affected should have to foot a bill for a waterway which is clearly not from a natural source. Historically this wasn't the case.
'I have lived in the area since 1969 and we have owned the house since 1991 and the burn was dry during summer and flow varied with rainfall.'
Scottish Water denied that the issue was for them, while the local council said it had found an internal wall which could be obstructing water in severe weather
A spokesperson for Scottish Water said: 'This issue has been investigated and is not a matter for Scottish Water.'
An Inverclyde Council spokesperson said: 'After a request from the property owner, council officers visited the location and have identified an internal garden wall feature within the property which may cause an obstruction during extreme weather conditions and could, in turn, affect the property.
'The property owner has been advised that they should consider either moving, alternating or relocating the wall to protect their property or ground.
'We would advise the property owner to engage a contractor to undertake suitable works as required to alleviate the issues within their property boundary.'
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