| SURFACETENSION | Recycled font, insecure as a water feature |
| LILYPAD | Floating leaf or leaves as a water feature (4,3) |
| THUS | Shut incorrectly? A hut's insecure, as a result (4) |
| MAIDENVOYAGE | For younger horses, a trip that usually contains a water feature - first time out one might crack open the champagne (6,6) |
| RESERVOIR | Part of an air rifle with a water feature? (9) |
| FOUNTAINOPEN | Sign indicating a water feature is no longer out of order? |
| ABROAD | A water feature in eastern England, or overseas (6) |
| SINK | Go under a water feature (4) |
| MOAT | Regular test to check a water feature |
| FILTER | Device such as a water purifier in an aquarium or swimming pool; or, a porous cone in a coffee machine (6) |
| SIEVE | As a water container, it's a poor choice |
| POODLE | From the German for "puddle hound" or "splash in water", an often highly pampered pooch, originally bred as a water dog for hunting (6) |
| CLEPSYDRA | Ancient timekeeping device commonly known as a water clock; from Greek, 'steal water' (9) |
| TANK | Originally described as a "water carrier" for security reasons, what was it known as from 1916? (4) |
| CLEAR | Make it past, as a water hazard |
| TAINTING | Polluting, as a water supply |
| SPRINGALEAK | Start dripping, as a water pipe |
| HITACROSS | Cleared, as a water hazard |
| DOWSE | Act as a water witch |
| AIM | Point, as a water pistol |