nps.gov

Glen Canyon National Recreation Area.

Scientists are watching the spill of contaminated water from an abandoned Gold King Mine in Colorado, especially downstream.

Mark Anderson is one of them — he’s an aquatic ecologist with the National Park Service, stationed at Glen Canyon National Recreation Area.

Anderson talked to us about what he's seen so far.

Click The Map To See The Path Of Wastewater

More Gold King Mine Coverage

• Arizona Agencies Prepare To Test Incoming Contaminated Water, Consider Long-Term Effects
• ADEQ: Waste From Abandoned Arizona Mines Less Likely To Cause Big Problems
• Scientists Worry, Wait As Contaminated Water Approaches Glen Canyon Area
• Navajo Farmers Watch Crops Dry Up In Wake Of Mine Wastewater Spill
• Navajo President Threatens To Sue EPA Over Mine Spill
• CAP Official: Mine Contaminants Likely Won't Affect Arizona Water Supply
• Officials: Impact Of Contaminated Wastewater On Lake Powell, Colorado River Unknown
• Contaminated Water From Colorado Mine Headed For Lake Powell
• EPA Releases Mine Waste Into Colorado's Animas River