The municipal department of environmental protection may entrust its subordinate agency of protection of sources of drinking water with specific supervision and administration.

市环境保护部门可以委托其下设的水源保护机构负责饮用水源保护的具体监管工作。

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Results The sanitary protection of water sources was greatly strengthened after the water improvement project.

结果与改水前比较，水源的卫生防护状况有很大改善；

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While the construction and protection of water sources usually imposes a series of negative external influences on the local residents, which weakens the sustainability of water supply.

城市水源地建设保护同时又对当地居民施加了一系列负面外部影响，削弱了城市水资源供给的可持续性。

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