Solution to 2116: Splish splash

The part quotation was ‘WATER, WATER, EVERYWHERE’ (15A/35/1D) from The Rime of the Ancient Mariner by COLERIDGE (20). Remaining unclued lights, not in themselves indicating water, all consist of two parts that do: SEA/MED (3), KILL/DEE (6), MAIN/SPRING (19), PEE/WEE (30) and BURN BLUE (34D/25).
 
First prize Chris Edwards, Pudsey, Leeds
Runners-up David Norwood, Puddletown, Dorset; Brenda Widger, Altrincham, Cheshire