Even with improved pumping capacity and disinfectant supply, the operational capacity of many (and probably most) treatment plants is simply inadequate to counter the level of bacterial contamination in the raw water intake.
即使在抽水能力提高、消毒用品增加的情况下，许多（可能是大多数）处理厂的作业能力也根本不足以降低所处理的生水中的细菌污染水平。