State health officials said samples from the Red Hill shaft contained petroleum levels 350 times the level considered safe. Some 3,000 military members and families were moved to temporary housing.
The weather caused damage, but there were no storm-related deaths as of Monday afternoon. Officials warned that the storm, which began over the weekend, remained a threat.
Health officials around the world have announced renewed restrictions this week as they see clusters of outbreaks from the delta variant of the coronavirus.
The juvenile whale was ensnarled in more than a 100 feet of small gauge line, making it difficult for the sea creature to swim. But a team of experts cut its flipper and mouth free on Wednesday.
Damage from heavy flooding has prompted Hawaii's governor to declare a state of emergency. On hard-hit Maui, floods damaged homes and overtopped a historical dam, forcing residents to evacuate.
The volcano on Hawaii's Big Island began erupting more than a week ago and lava continues to flow, creating a huge new lake that's taken the place of a water lake it vaporized.
The tourist economy in Hawaii has been decimated by the pandemic, with 1 in 6 people there unemployed. Now, the state hopes new traveler testing protocols will help bring visitors back to its beaches.
Heavy rainfall and life-threatening flash flooding continue after Tropical Storm Hanna hit South Texas. Meanwhile, Hurricane Douglas is closing in on the islands of Hawaii.