Overpass of Landsat-9 Calls for Tidal Monitoring on the Gunpowder River

Chesapeake Water Watch Program October 7th marked a day that Landsat-9, a NASA/USGS satellite, made one of its many overpasses of the Chesapeake Bay. With that date on their calendar, Gunpowder RIVERKEEPER® rushed to Dundee Creek Marina to untie the skiff and get out on the water. The Landsat-9 has been given the task taking …

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Gunpowder River Water Quality Summary: Summer 2025

Gunpowder Riverkeeper is proud to provide weekly 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. When our samples indicate E.Coli …

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Gunpowder River Water Quality Update August 26, 2025

Gunpowder Riverkeeper is proud to provide weekly 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 August 19, 2025

Gunpowder Riverkeeper is proud to provide weekly 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 August 12, 2025

Gunpowder Riverkeeper is proud to provide weekly 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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