Department of Environmental Quality

Tag: San Juan River

  • San Juan River Recreational Monitoring

    DEQ’s recreational water quality monitoring checks for two health concerns: Harmful Algal Blooms (HABs) and Waterborne Pathogens (E. coli). Find the most recent San Juan River monitoring information below. Updates: October 31, 2023: Waterborne pathogen (E. coli)  monitoring update Recreational monitoring has ended for the season. Monitoring will resume in summer 2024. Waterborne pathogens may…

  • A Look Back: On the Scene after the Gold King Mine Spill

    By Christine Osborne This week, we take a look back at DEQ’s response to the Gold King Mine release two years ago. On August 5, 2015, EPA contractors were clearing debris from the opening of the Gold King Mine near Silverton, Colorado, when the blockage gave way, releasing three million gallons of acid mine drainage into…

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