However, it is inevitable to decrease the groundwater level around the mining area and even to influence the water supply safety of the constructed groundwater source fields.

为保证矿区安全开采，采矿本身要求排出大量的矿井水，这不可避免地使附近的地下水水位下降，并可能影响到已有地下水水源地的供水安全，产生供、排水矛盾。

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Facilitating better water resource utilization across the city, central planning and construction, and uniform water quality, water price and service, thus to ensure city-wide water supply safety.

有利于提高全市水资源利用效率，统一规划、统一建设、统一水质、统一水价、统一服务，确保全市供水安全。

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Green infrastructure incorporates natural systems that can help supply clean water, reduce polluted runoff, reduce sewer overflows, minimize flooding and enhance community health and safety.

建设环保设施系统，可以帮助供应清洁用水，减少污水的外溢，减少洪水和加强社区健康和安全。

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The workshop has been held in other U.S. cities and concentrates on the safety of our water supply and agricultural food chain.

FORBES: No Food, No Drink If Agroterrorism Hits USA

The authorities in the nearby city of Kawaguchi, Saitama prefecture, also reported radiation levels above safety norms in its water supply on Thursday.

BBC: Fukushima workers in hospital after radiation exposure

There are safety measures you can take, by preparing your house with a supply of water or food, as though you were preparing for a winter storm.

CNN: Kate Kelly: Halloween safety