suspension of surveillance opened the floodgates to illegal immigrants.
Examples of floodgate
floodgate
The Supreme Court ruling could open the floodgate on even more campaign cash.
From the sltrib.com
When she changed her mind, it marked the opening of a floodgate of memories.
From the charlotteobserver.com
To his horror, a floodgate opened resulting in a very embarrassing accident.
From the sfgate.com
Listing one such organisation, and deciding it's okay to do so, opens the floodgate.
From the en.wikipedia.org
I loved it, but it in no way opened a floodgate of offers to do more drama.
From the ocregister.com
Hutchison's resignation prediction could open a floodgate politically.
From the chron.com
Construction last month on the Seabrook floodgate complex in New Orleans.
From the nytimes.com
By now, everyone in the Valley knows or knows of Mike Maples, a co-founder of FLOODGATE.
From the techcrunch.com
In the debate, Tsai asked if Ma would allow a floodgate of Chinese imports into Taiwan.
From the en.wikipedia.org
More examples
Something that restrains a flood or outpouring; "suspension of surveillance opened the floodgates to illegal immigrants"
Sluicegate: regulator consisting of a valve or gate that controls the rate of water flow through a sluice
Floodgates are adjustable gates used to control water flow in reservoir, river, stream, or levee systems. ...
Floodgate is a novel by Scottish author Alistair MacLean, first published in 1983. It is a rare example of inter-novel continuity in MacLean's writing, as one of the characters in his previous novel Puppet on a Chain makes a re-appearance.
(Floodgates) It was feared by Cardozo, C.J. that to grant damages for economic loss (supra) would open the floodgates to "liability in an indeterminate amount for an indeterminate time, to an indeterminate class". See Ultramares Corp. v. Touche, Niven & Co., 255 N.Y. 170 at p. 174 (N.Y. C.A. ...
(Floodgates) Chris Osgood. Given during his season of catastrophe.
(Floodgates) Solid gates in a dam that can be opened to release flood waters downstream.
A gate installed in a culvert or bridge waterway to prevent the ingress of floodwater or tidewater to the area drained by the structure