如今,“华东飞渡(dù )”的引水源头来(lái )自于永康最大库容水库——杨溪水库,而作为杨溪(xī )水(shuǐ )库北干渠,杜(dù )山头(tóu )渡槽从(cóng )芝英镇(zhèn )的油(yóu )川渡槽进口开始,横跨杜山头、栋(dòng )陇(lǒng )、雅(yǎ )庄、绍(shào )童、三溪、上(shàng )宅口、双录庵(ān )到横桥渡槽(cáo )出(chū )口止(zhǐ ),全长达8891米,远观犹如一条(tiáo )巨龙飞跨永康腹地,以躯为引(yǐn ),泽福众(zhòng )生。