2822KB - WEPA

“Side stretch” by local governmentIntroduce additional wastewater control items which are not covered by thenational effluent standardsNational effluent standards and add-on standardsNational Gov.Health itemsApplied to allfactories/establishmentsNational Effluent Standards(minimum control applied nationwide)Living environment itemsApplied to factories/establishments withwastewater discharge of 50 m 3 /day or moreLocal governments areauthorized to tighten controls,according to local conditionsLocal Gov.Add-ons by local governmentSet more stringent effluent standard values by prefectural ordinance if thenational flat wastewater standards are not sufficient to comply the water qualitystandards.“Hem down” by local governmentExtend application of the Living Environment Standards tofactories/establishments with less than 50 m 3 /day wastewater discharge