Thieves stole 2,000 litres from a wastewater treatment works in north Cumbria.
It was reported that the thieves used a white van and a white SUV and forced entry to the plant in Thursby. They were disturbed during the theft and left the area.
It happened during the evening of July 22.
Anyone with information relating to this incident can report online at www.cumbria.police.uk/report-it , quoting incident number 274 of 22nd July 2022 or call 101.
Alternatively, contact Crimestoppers, anonymously, on 0800 555 111.
