榆林市无定河流域水污染防治条例/Chapter 3 污染防治Article 23In force禁止向无定河流域水体排放油类、酸液、碱液或者剧毒废液。禁止在无定河流域水体清洗装贮过油类或者有毒污染物的车辆和容器。Local Regulations · 榆林市人民代表大会常务委员会 · In force from August 15, 2026Article 22Back to full textArticle 24