Emergency services rushed to Dollar Avenue, Bainsford, shortly after 6 p.m. on Thursday, June 10.
Several police officers were seen at the scene, including three police cars, a van and two ambulances.
It is understood that the 18-month-old girl was taken out of the water before medics arrived and was then rushed to the Royal Forth Valley Hospital under police escort.
A neighbor, who did not want to be named, told the Record: “I was cutting the grass and all I heard was screaming.
“I could tell by the screams that there was something serious, it was horrible, I can still hear it in my head.
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“A few minutes later I heard sirens, then lots of police came with an ambulance – they all ran to the back of the house.
“I couldn’t really see what was going on, but the cops were standing at the back door and looking around the house.
“The paramedics carried the child in the ambulance and he flew into the street behind a police car. “
A Scottish Police spokesperson said: ‘Emergency services arrived at Dollar Avenue in Falkirk at 6:10 pm on Thursday 10 June, after an 18 month old child fell into a pond.
“The child was taken to Forth Valley Royal Hospital for treatment, where she died shortly thereafter. Investigations into the incident are ongoing. “