The most common and most likely answer to this crossword clue is the 7 letter word CESSPIT
C
E
S
S
P
I
T
More clues leading to the result CESSPIT
- What’s replaced septic tanks, finally?
- Tax advice about squalid dwelling
- Dumping grounds dry up, one of those filled with sewage
- Filthy wet hole turns dry when raked back
- Rubbish heaps dry after sending back wet waste?
- Ignoring nurse initially, doctor inspects dirty pool
- Tips secretary over into pool of dirty water
- Rubbish dumps dry up where sewage collects
- Cuban leader in Spain leans back to get the refuse holder
Buddy explains!

The straight part
We know that "dirty pool" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case dirty pool = cesspit.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does CESSPIT mean?
CESSPIT noun- A cesspool; a pit or covered cistern used to collect sewage and waste water.