Water

Gunpowder RIVERKEEPER® Staff and Volunteers Receive Benthic Macroinvertebrate Training from Patapsco Heritage Greenway and Izaak Walton League of America

Friday March 13th Gunpowder RIVERKEEPER® staff Brady Bayne and Joe Ottomano and volunteers Tristan McGregor and Steve Duker attended training to become certified stream monitors for benthic macroinvertebrates. The training was hosted by Patapsco Heritage Greenway’s Mandy DeLeo and Allison LeBlanc who are certified trainers through the Izaak Walton League of America. Benthic (bottom-dwelling) macroinvertebrates …

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Gunpowder RIVERKEEPER® Passes Tier 3 Water Quality Proficiency Testing

On February 26th Gunpowder RIVERKEEPER® took the next steps toward achieving Tier 3 water quality monitoring approval by passing our state approved proficiency test for our bacterial monitoring program. Tier 3 approval is an important benchmark from the Chesapeake Monitoring Cooperative (CMC) because it allows our data that we gather to be used by the …

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Gunpowder RIVERKEEPER®’s Partnership with Skidmore College Students Continues with Bacteria Modelling and Mapping Study

Skidmore Advanced GIS students partner with Gunpowder RIVERKEEPER® to model the river’s E. coli values at critical sites. From February to May, the students will be running models of various river segments to better understand the threats to increased levels of E. coli in a dynamic environment. Meet the Team! Sophie Zuckman Sophie is a …

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EPA, MDE, and Baltimore County to hold Public Meeting on Baltimore County’s PCB Source Track Down Efforts

This just in from the EPA: The meeting will be held on March 24th, 2026 at the Marshy Point Nature Center, 7130 Marshy Point Road, Middle River, MD from 6-7 pm. There will also be an option to join virtually. From Catherine Chong, Assistant Regional Counsel U.S. Environmental Protection Agency, Region 3: In accordance with …

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Gunpowder RIVERKEEPER® Provides Written Testimony on the EPA’s Proposed Update to Section 401 of the Clean Water Act

Gunpowder RIVERKEEPER®’s Theaux Le Gardeur submitted comments to the U.S. Environmental Protection Agency during the comment period on the Proposed Rule: “Updating the Water Quality Certification Regulations” which would affect Section 401 of the Clean Water Act. This section allows states such as Maryland to uphold stricter water quality standards than federal regulations. From the …

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