Dead Fish

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Dead or gasping fish are often a sign of pollution. Dead fish are motionless, on the surface of the water and often on their sides. If you see multiple fish…

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Sewage Fungus

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Ongoing persistent sewage pollutionsoften result in a feathery brown or white fungus coating the bed of the watercourse and the surrounding vegetation. This is quite often accompanied by an associated…

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Sewage Rag

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Sewage pollution often leave a visual trace with toilet paper and sanitary products getting caught up in vegetation. This doesn’t mean a pollution is occurring there and then but could…

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Strong Odour

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Some pollutants have a strong odour such as oils, fuels, chemicals, sewage and slurry. There is a likely chance of pollution if there is a strong, unusual smell along 20m…

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Discolouration

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Watercourses regularly change colour during or preceding rain storms when sediment gets washed into the river. However obvious unnatural colours or a change of colour to the water when it…

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