Abandoned Mine Drainage is polluted water often laden with acidity and metals that emanates, poisoning the plant and animal life. AMD ruins habitat for aquatic life and turns streams orange with iron oxide. the three most commonly found metals in AMD are iron, aluminum, and manganese.As devastating as the impact of AMD has been on the Kiski-Conemaugh Rivers, the impressive legacy of environmental restoration has made for a compelling comeback of these waterways. Hundreds of environmental partners over several decades have implemented clean ups and treatment systems, creating new opportunities for animal and aquatic life and low-impact recreation. If you enjoy the Kiski-Conemaugh Rivers today – SUPPORT THE WORK OF ENVIRONMENTAL PARTNERS.