The Trump administration spent $14.7 million repainting the pool "American flag blue" ahead of US' 250th anniversary celebrations. Weeks later, the paint is peeling off and algae has turned the water green.

The historic pool was drained and refinished in a no-bid contract this year as part of the president's sweeping plans to beautify Washington DC.

His vaunted makeover of the Washington attraction has resulted in an algae bloom and peeling paint