The Mighty Hoopla Festival is in doubt after events turn the venue into a mud bath

A major London music festival scheduled for this weekend has been thrown into doubt after a series of events turned the venue into a mud bath.

Nelly Furtado and Jessie Ware are among the stars set to appear at Brockwell Park’s Mighty Hoopla on Saturday and Sunday.

However, Lambeth Council said a “final decision” had yet to be made on whether the pop festival, which will attract 30,000 people over the two days, could go ahead due to the muddy conditions.

Officials have already been forced to cancel another event – the family-friendly Brockwell Bounce – at the park.

Brockwell Park hosted four celebration events – Project 6, Wide Awake, Cross The Tracks and City Splash – with local residents saying it left the grounds “in shambles”.

The council said there was an agreement that any repairs needed to the park after an event would be paid for by the organiser.

In a statement, officials said work was ongoing to ensure the Mighty Hoopla could go ahead, but the event was subject to a final sign-off.

“The council has approved additional measures for the event space at Brockwell Park to ensure the safety of visitors and protect muddy areas from damage ahead of the weekend,” a spokesman said.

“To achieve this, the specialty mat is used with a thin layer of wood chips on top. The technique has been used at a number of other big events, including Radio 1’s Big Weekender in Luton.

“This work is subject to ongoing reviews and risk assessments, and a final decision on Mighty Hoopla will move forward.”

Organizers of Mighty Hoopla said in a message to ticket holders that it has “a solid plan that protects not just the park, but everyone who attends, performs and works” in the muddy conditions.

“As a precaution, for your safety and enjoyment, please be prudent with your footwear this year,” they said.

The Lambeth Country Show is also scheduled to take place in the park on June 8 and 9.

Council officials added that a new event will be rescheduled to take the place of Brockwell Bounce later in the year.

The Friends of Brockwell Park charity has raised concerns about private festivals damaging the park, saying it is “not the best Brockwell Park, but the worst”.

In an online message to the council, chairman Peter Bradley said: “If you want Brockwell Park to be the best it can be, stop major events during the nesting season that threaten wildlife, ruin the grass with vehicles and visitor intrusion and cause noise to the locals for miles around.”

A council spokesman said: “There is an agreement that any repairs required to the park will be paid for by the event organiser, not Lambeth Council.

“They are already working with the council to prepare for any necessary work which will start immediately after the Lambeth Country Show.”