The health worker was evacuated to the UK from the DR Congo after being potentially exposed to the virus.
The Neustrashimy's live-fire exercise took place in international waters and lasted for 30 minutes.
The teenager will next appear before a court in August.
The water company said the three heatwaves contributed to the ban.
Organisers say 23 runners from seven countries took part in races at the Arctic's geographic North Pole.
England's victory means the team finished third and secured their best World Cup result since 1966.
