Russia occupied Ukraine's Crimea in March 2014 / REUTERS
The official named the condition under which Ukraine may resume the water supply onto the peninsula.
Ukraine has taken a tough stance on the supply of water to Russia-occupied Crimea.
It is possible only after the end of the Russian occupation of the peninsula, Ukrainian Foreign Minister Dmytro Kuleba told RFE/RL's Ukrainian Service in an interview.
Read alsoOne of occupied Crimea's longest rivers dries up
When asked whether Ukraine's position on water for Crimea is tough, Kuleba answered:
"Absolutely! Absolutely tough. Water will appear after the end of the occupation."