《太平广记·卷三百九十九·水（井》
郑人用荥水酿酒，距城镇近的地方的水就重，斤两与距城镇远的地方相比重几倍。
郑人荥水酿酒，近邑水重。斤两与远郊数倍
Zheng people used Xing water to make wine. The water near the town was heavy and weighed several times more than the water far from the town.