Gunpowder River Water Quality Update July 15, 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 …

Read more

Gunpowder River Water Quality Update July 8, 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 …

Read more

Gunpowder River Water Quality Update July 1, 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 …

Read more

Gunpowder River Water Quality Update June 24, 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 …

Read more

2025 Summer Newsletter

[NOTE: this Newsletter was originally published on June 13th.] Summer Swimming Season Water Monitoring After Memorial Day, we began our summer swimming season monitoring efforts. So far, E. coli levels have been low enough that it is safe to swim at every point we monitor. Please keep in mind that E. coli levels can change …

Read more