News

CMC Data Explorer Training with ALLARM

ALLARM Hosts CMC Data Explorer Training for Stream Team Monitors Late last year, the Alliance for Aquatic Resource Monitoring (ALLARM) hosted a Chesapeake Monitoring Cooperative (CMC) Data Explorer training for Stream Team monitors, providing an opportunity to deepen understanding of how volunteer-collected data are shared, accessed, and used. The session walked participants through the CMC […]

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Loudoun Wildlife Conservancy 2025 Report Card

Loudoun County Streams Earn C+ in First-Ever Report Card Loudoun Wildlife Conservancy (LWC) released the 2025 Loudoun Streams Report Card on November 17, 2025. Alexandra Fries, program manager at the University of Maryland Center for Environmental Science (UMCES), was able to attend a celebratory event held at LWC’s office in Leesburg, VA on December 13, […]

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Approved Revised Chesapeake Bay Watershed Agreement

Chesapeake Bay Partnership Executive Council Approves Revised Watershed Agreement If you missed it, the Chesapeake Bay Partnership’s Executive Council convened for its annual meeting on December 2, 2025, at the National Aquarium in Baltimore, Maryland. The meeting resulted in three major actions that will help shape the future of Chesapeake Bay restoration and partnership efforts. […]

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Macroinvertebrates Signal Stream Recovery

Macroinvertebrates Point to Gradual Stream Recovery Across the Bay Watershed Streams across the Chesapeake Bay watershed are showing slow but steady signs of biological recovery, according to a new report from the Interstate Commission on the Potomac River Basin (ICPRB). The latest update to the Chesapeake Basin-wide Index of Biotic Integrity for stream macroinvertebrates, the […]

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New Water Monitoring Fact Sheets

CMC Releases Updated Water Monitoring Parameter Fact Sheets The Chesapeake Monitoring Cooperative is excited to share a newly updated set of 11 water-monitoring parameter fact sheets. Parameters include: Bacteria, Benthic Macroinvertebrates, Chlorophyll, Conductivity, Dissolved Oxygen, Nitrogen, pH, Phosphorus, Salinity, Temperature, and Water Clarity & Turbidity. These revisions make the fact sheets more accessible for volunteers and […]

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10 Years of Kudos

Kudos to Our Monitors: A Decade of Dedication to the Bay The Chesapeake Monitoring Cooperative is celebrating a decade of collaboration with the volunteers, local groups, and partners who’ve monitored streams, shared data, and inspired stewardship throughout the watershed. Thank you for being the heart of this network! The Kudoboard is still open and if […]

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Volunteer Data Powering the Bay Report Card

Volunteer Data Helps Power 2025 Chesapeake Bay Report Card This June, the University of Maryland Center for Environmental Science (UMCES) released its 19th annual Chesapeake Bay and Watershed Report Card, a key tool used to assess the health of the Bay and its watershed. The Chesapeake Bay scored a C (50%), and the overall Watershed […]

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New Partner Spotlight: Jug Bay Wetlands Sanctuary

Welcoming Jug Bay Wetlands Sanctuary to the CMC Network! We’re thrilled to welcome Jug Bay Wetlands Sanctuary (JBWS) into the Chesapeake Monitoring Cooperative monitoring network! Located in the freshwater tidal portion of the Patuxent River, JBWS has been a hub for environmental stewardship and community science for years. Since 2010, volunteers at the Sanctuary have […]

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Antietam Creek Watershed’s First Report Card

On June 12, 2025, the Antietam-Conococheague Watershed Alliance (ACWA) released the first-ever Antietam Creek Watershed Report Card during a public reception and stewardship drop-in event. The report card offers a comprehensive look at the health of the Antietam Creek Watershed, which received an overall score of 48% (C grade). The grade highlights a mix of […]

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2025 National Water Monitoring Conference

Reflections from the 2025 National Water Monitoring Conference In March, the Chesapeake Monitoring Cooperative (CMC) team traveled to Green Bay, Wisconsin, to participate in the 14th National Water Monitoring Conference (NWMC), one of the largest and most anticipated gatherings in the world of water quality monitoring. Held every other year and hosted by the U.S. […]

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