Fish die in Grantham canal

Hundreds of fish have been found dead in Grantham canal. Staff from the Environment Agency are on site trying to improve the conditions and prevent further deaths. They say that their efforts have now returned oxygen levels to normal.

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Canal oxygen levels return to normal

The Environment Agency says oxygen levels in Grantham Canal have now returned to normal after the deaths of hundreds of fish.

They were first called to the waterway yesterday and found oxygen levels at around 20%. Since then they have been pumping chemicals into the water to increase the oxygen concentration.

Test have now showed that the oxygen has returned to its normal level. It is believed the recent hot weather, leading to an increase in weed growth, had caused the drop.

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Environment Agency return to site

Environment Agency staff have returned to Grantham canal to carry on trying to improve water conditions after hundreds of fish were found dead there.

A large quantity of oxygenated water was pumped into the canal yesterday and experts are now back on site to see if that has improved the situation.

Around lunchtime they will also begin dosing the water with hydrogen peroxide which will improve the water's ability to hold oxygen.

Dead fish in Grantham

Hundreds of dead fish and hundreds more gasping at the surface of the water have been seen in a stretch of the Grantham Canal.

It is because of low dissolved oxygen levels. The Environment Agency has put several barrels of hydrogen peroxide into the water to generate oxygen.

It is estimated that up to 500 fish died, with at least 1,500 struggling for oxygen.

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  • Oxygen levels return to normal

    The Environment Agency says oxygen levels in Grantham Canal have now returned to normal after the deaths of hundreds of fish.