Gunpowder River Water Quality Update June 3, 2025

Gunpowder Riverkeeper is proud to provide up-to-date water quality information to residents of Baltimore and Harford counties along the Gunpowder and Bush River Watersheds. Our water monitoring results help inform the public on where they can recreate safely along the River and provide indicators for possible stormwater or point-source pollution. The EPA’s Safe Swimming Criteria …

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Gunpowder River Water Quality Update May 27, 2025

Gunpowder Riverkeeper is proud to provide up-to-date water quality information to residents of Baltimore and Harford counties along the Gunpowder and Bush River Watersheds. Our water monitoring results help inform the public on where they can recreate safely along the River and provide indicators for possible stormwater or point-source pollution. The EPA’s Safe Swimming Criteria …

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2025 Gunpowder RIVERKEEPER® Spring Newsletter

Earlier this month we published our Spring Newsletter. You can read it in its original format here, or you can read a updated version below [Text in brackets is new]. Since our last newsletter, we have won an award! Thanks to Chesapeake Bay Trust, we received a grant to host the Maryland Climate Corps ‘All …

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Gunpowder River Water Quality Update July 16th, 2024

Gunpowder Riverkeeper is proud to provide up-to-date water quality information to residents of Baltimore and Harford counties along the Gunpowder and Bush River Watersheds. For a map based on Bacteria Monitoring Results and more information on this monitoring work, please visit: https://gunpowderriverkeeper.org/swim-guide  In partnership with Community Environmental Laboratories, an EPA-certified water testing laboratory located …

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Gunpowder River Water Quality Update July 9th, 2024

Gunpowder Riverkeeper is proud to provide up-to-date water quality information to residents of Baltimore and Harford counties along the Gunpowder and Bush River Watersheds. For a map based on Bacteria Monitoring Results and more information on this monitoring work, please visit: https://gunpowderriverkeeper.org/swim-guide  In partnership with Community Environmental Laboratories, an EPA-certified water testing laboratory located …

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