“计划用水、按方收费”,是灌区提高水的利用率、扩大工程效益的一项行之有效的管理办法。“计划用水”就是按照“合理分配”的原则,分配各用水单位的水量及流量消耗指标;“按方收费”就是按照“合理负担”的原则,按用水量征收水费,并以此来促进节约用水,检验和保障用水计划的执行。“计划用水、按方收费”管理办法的实行,除必须采取加强领导、发动群众的组织措施外,还必须采取相应的技术措施来实际贯彻,否则就会徒有形式。通常,灌区实行“计划用 “The planned use of water, according to the party charges” is an effective management approach to improve the efficiency of water utilization in irrigation districts and expand the project’s benefits. “Planned water” refers to the allocation of water consumption and flow consumption indicators of water users according to the principle of “reasonable allocation.” “Party-based charging” means that water charges are levied according to the principle of “reasonable burden” Save water, test and safeguard the implementation of water plans. In addition to the need to take organizational measures to strengthen leadership and mobilize the masses, it is also necessary to adopt appropriate technical measures to implement it. Otherwise, it will only take shape. In general, irrigation districts implement "plans to use