二次供水设施卫生规范 GB17051-1997
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水利水电工程地质勘察规范 [附条文说明] GB50487-2008
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管井技术规范 [附条文说明] GB50296-2014
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灌溉与排水工程设计标准 GB50288-2018
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给水排水GF工程管道结构设计规范 [附条文说明] GB50332-2002
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农用污泥污染物控制标准 GB4284-2018
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污水综合排放标准 GB8978-1996
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城市排水工程规划规范 [附条文说明] GB50318-2017
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