What does the cryptic crossword clue "Problem in a pipe emerging from e.g. a lake (7)" mean?

The wordplay uses an anagram. anagram of A + E.G. + LAKE = LEAKAGE The answer is LEAKAGE.

Problem in a pipe emerging from e.g. a lake (7)

Daily Mail Cryptic #17481 | 28 Across | 2024-11-04 flower