Sewage No-Discharge Zone (NDZ) locations, EPA HQ, OWOW

This geospatial dataset depicts sewage no-discharge zones established under Clean Water Act Section 312. The areas depicted are zones where the discharge of any...本地理空间数据集（geospatial dataset）呈现了依据《清洁水法（Clean Water Act）》第312条设立的污水禁排区（sewage no-discharge zones）。该数据集所标注的区域为禁止任何……排污行为的区域。