Yes, industries releasing heavy metals into land and water ecosystem be penalized.
Heavy metals are defined as the metals with high density in comparison to water, and presumably, linked with toxicity. The sources of heavy metals other industries include mining activities, waste dumps, untreated sewage etc.
Heavy metals are associated with numerous health issues and thus, are considered dangerous. World Health Organization has set limit on Heavy metals in drinking water. The limits are 3.0 milligram/liter for Zinc, 0.010 milligram/liter for Lead, Arsenic, Mercury and 0.003 milligram/liter for Cadmium.
Heavy metals are associated with disorders concerning gastrointestinal tract, respiratory organs, pulmonary organs, liver and brain. Thus, their discharge into water bodies results in direct or indirect consumption via aquatic food, water absorption by plants etc. The waste from industries should be treated before discharging into land or water bodies. Hence, the industries should definitely be penalized, if releasing heavy metals into land and water ecosystem.
Learn more about industrial waste generation and it's treatment-
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