Claim: "Onion Creek's highest flow rate" on a recent night of flooding "was 120,000 cubic feet per second, which is nearly double the average flow rate of Niagara Falls."
Fact-check: UPDATED: During flood, Austin's Onion Creek flowed up to 34 percent faster than Niagara Falls on average
Verdict: barely-true
Organisation: PolitiFact
Author: W. Gardner Selby
Date published: 2013-11-14T00:00:00