Environmental officers appeal for information after high levels of ammonia found in River Dee
Natural Resources Wales officers have launched an investigation after high levels of ammonia were found in River Dee over the weekend.
Environmental officers are calling on the public and local businesses for any information that could help identify the source of pollution.
Natural Resources Wales say abstraction points on the Dee had to be closed over the weekend to protect the drinking water supply.
Mark Chapman, from Natural Resources Wales said:
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“We’ve been working with the Environment Agency to try and establish the source of the pollution and any potential impact on the environment over the weekend.
“Our initial assessments show no signs of dead or distressed fish and the levels of ammonia in the river Dee are now returning to normal.”
“Although we’ve taken many water samples and visited premises in the area, we’ve not yet been able to confirm if this pollutant has originated from farming practices or from industrial activities.”
“If anyone has any information about an event that might have led to this pollution incident, they can report it in confidence to us through our incident hotline on 0800 80 70 60”.