north western water control zone meaning in Chinese

西北部水质管制区

The north western water control zone was declared on 1 april 1992 , upon which the epd began enforcing the provisions of the wpco in the area
1992年4月1日，政府正式设立了西北部水质管制区，环保署亦随即开始在区内执行水污染管制条例的规定。
On lantau island two rivers are monitored , mui wo river in the southern water control zone and tung chung river in the north western water control zone
环保署在大屿山区域内共监测了两条河溪，其中包括南区水质管制区内的梅窝河和西北部水质管制区的东涌河。
The establishment of the north western water control zone in april 1992 enabled the epd to do the same for villages in the tung chung river catchment area
1992年4月，西北部水质管制区正式成立，环保署亦开始在东涌河集水区一带执法，要求各乡村遵守规定消减污染。
The tuen mun river is in the north western water control zone , while kai tak nullah and two minor streams are situated in the victoria harbour water control zone , and another minor stream near sham tseng is in the western buffer water control zone . photo of tuen mun river in the 1980s
其中包括位于西北部水质管制区的屯门河，维港水质管制区范围内的启德明渠及区内的另外两条小河溪，此外环保署也定期监测位于西部缓冲区水质管制区内深井附近的一条小溪。