levee breach
situation where a levee fails or is intentionally breached, causing the previously contained water to flood
en-GB/ˈlɛvɪ ˈbɹiːt͡ʃ/
en-US/ˈlɛvi ˈbɹit͡ʃ/
situation where a levee fails or is intentionally breached, causing the previously contained water to flood