It's after more than 90 people fell ill with suspected norovirus at The River Dart Country Park, in Ashburton.
The park will be shut until Monday to carry out further investigations and for a deep clean.
Around 600 people have had to leave the park.
North Molton storm overflows halved
Water storage tank added at treatment works
Devon County Council elections - all the candidates, all the wards, all the key dates
All the information you need
Exmoor Coaster service coming back under different name
'Explorer' subsidised by county councils
Bodmin Moor fires are suspicious
Police asking for help over blazes on Saturday
Storm overflow prevention work set for Plymouth
But it will take five years
