海河水系河流，上游为东风渠，流经河北平原东部。于邱城镇入邱县，并在香城固乡出邱县进入威县。威县常庄以下称清凉江，在泊头文庙镇附近汇入老盐河后称黑龙港河，再向东入南排水河，经南排水河入海。
地表水主要来源于降水及客水，降水以汛期降雨为主，客水主要来源于老沙河、宋八疃、沙东干渠。
Surface water mainly from precipitation and off the water, precipitation, rainfall in the main flood season, water comes mainly from the old passenger Shahe, Song eight Tuan, sand east of the trunk.
板桥凹陷位于黄骅坳陷中北部，老第三系沙河街组沙三段是主要生储油岩系。
The Banqiao sag lies in the middle northern part of the Huanghua Depression, and the third member of Shahejie Formation is the main oil generating strata and reservoirs in the area.
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