Laohe Village
The river management project for the living area of the river, perennial domestic sewage discharge, poor water mobility, water pollution far beyond the self-purification capacity, the water body into a dark yellow water body sensory poor, ammonia nitrogen, total phosphorus, COD index exceeds the poor class V standards.
River training project implementation testing water quality for poor V water, a large number of red worms gathered, the river was reddish-brown.
After the implementation of the river management project to detect the water quality for the V class, COD indicators to reach the III class water. The red worms completely disappeared, the transparency was greatly improved, and the surface of the water was not reddish-brown.
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