Turns out much of it is from drinking water treatment.

调显示，大部分的硫化物都产于饮用水的处理。

It thrives where there is poor water treatment, poor sanitation and hygiene.

在饮用水未经适当处理及卫状况恶劣的情况下会迅速传播。

The consequences of this phenomenon include altered ecosystem balance, reduced soil fertility, and increased costs for drinking water treatment.

这一现象的后包括改系统平衡、降低土壤肥力和增加饮用水处理成本。

It also results in additional economic costs for drinking water treatment.

它还导致饮用水处理的额外经济成本。