The reason a stream in a popular Bristol park turned green has been revealed. On Friday last week (January 6) locals had been asking questions about a tributary of the River Frome that had turned green in Eastville Park.
At the time, no-one was sure what had happened. However, the Environment Agency has got back to Bristol Live with clarification as to why this was the case.
It had already suggested by some on Twitter that the colour change was due to a tracing dye, used by water companies or potamology students to monitor measurables such as water flow and velocity. And this has now been confirmed by the experts.
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The Environment Agency said they had received three separate reports on Friday's incident. A spokesperson giving the following statement: "We were made aware of green water in the River Frome by Eastville Park on Friday via three separate reports.
"We have been looking into this further and believe this to be a non-harmful dye tracing substance that is commonly used by water companies and other agencies. We have found no evidence of any wildlife being harmed as a result of the discolouration.
"If members of the public believe the water course is becoming worse, or see any distressed or harmed wildlife, please do report this on our 24-hour number, 0800 807060."
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