Fishing Lodges at Farington in Lancashire have been closed after thousands of dead fish were found in the water.
The Environment Agency has been at the site in Lodge Lane, Farington, since Saturday afternoon and is using aeration units to raise the oxygen levels in the water.
The site is owned by South Ribble Borough Council, and Withnell Angling Club holds the licence to use the lodges for fishing.
Local residents and members of the angling club joined forces and waded into the lodges to remove dead fish from the water and transfer those that were still alive – approximately 200, including bream, roach and carp – to the smaller lodger, which was unaffected.
A spokesman from the Environment Agency said it could take some time for the water to reach normal oxygen levels. At lunchtime today (Monday) levels had risen to 15 per cent. He said: “Fish begin to show distress at about 35 per cent and can been seen gasping for air at the surface.
“There are two situations that can cause oxygen levels to drop. One is algal bloom and the other is the presence of chemicals in the water. At this stage we are still investigating.”
As well as closing the site, South Ribble Council is asking dog walkers to keep their animals on a lead because the lodge waters could pose a health risk.
An angler from Denton has spoken about catching the biggest common carp ever landed.
Warren Harrison, 52, caught a 94lb carp on a fishing trip in Hungary. He says the fish is bigger than popstar Kylie Minogue.