Fact Check: The Tijuana River area is a floodplain, which causes the area to flood during heavy rains.

Claim: The Tijuana River area is a floodplain, which causes the area to flood during heavy rains.

Verdict: Correct (95% confidence)

Explanation: According to the California State Lands Commission, the Tijuana River Valley is a natural floodplain, which supports the claim about its geographical nature (source 1). Additionally, California Flood Insurance notes that the South County floodplain near the border, including the Tijuana River area, floods regularly during heavy rain, confirming the flooding behavior due to its floodplain nature (source 5). These sources directly address the claim's core proposition about the floodplain causing f...