如今,“华(huá )东飞(fēi )渡”的引水源头来自于永(yǒng )康(kāng )最(zuì )大库容水库——杨溪水(shuǐ )库,而(ér )作为杨溪水库北干(gàn )渠,杜山头渡槽(cáo )从芝英镇的(de )油川渡槽(cáo )进口开(kāi )始,横跨杜山头、栋陇、雅(yǎ )庄、绍童(tóng )、三溪(xī )、上宅口、双(shuāng )录(lù )庵到横桥渡槽出口止,全长(zhǎng )达8891米,远观犹如一条巨龙飞跨(kuà )永(yǒng )康腹(fù )地,以躯(qū )为引,泽(zé )福众生。