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Chesapeake Bay SAV Watchers

Posted on April 21, 2026

Become a Chesapeake Bay SAV Watcher! Chesapeake Bay SAV Watchers is the first official volunteer submerged aquatic vegetation (SAV) monitoring program developed by the Chesapeake Bay Program. This hands-on citizen science initiative gives volunteers an engaging, educational experience in Bay habitats while generating valuable data used by scientists and resource managers. SAV Watchers collect information […]

Salt Watch QAPP Approved

Posted on April 16, 2026

CMC Takes a Step Forward in Crowdsource Monitoring with Salt Watch QAPP Approval The Chesapeake Monitoring Cooperative (CMC) team recently made significant progress in expanding its water quality monitoring reach by submitting a new crowdsource-style Quality Assurance Project Plan (QAPP) to the EPA in partnership with the Izaak Walton League’s Salt Watch program. Salt Watch […]

CMC Data Explorer Training with ALLARM

Posted on February 6, 2026

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 […]

Loudoun Wildlife Conservancy 2025 Report Card

Posted on January 30, 2026

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, […]

Approved Revised Chesapeake Bay Watershed Agreement

Posted on January 15, 2026

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. […]

Macroinvertebrates Signal Stream Recovery

Posted on January 7, 2026

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 […]

New Water Monitoring Fact Sheets

Posted on November 6, 2025

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 […]

10 Years of Kudos

Posted on October 10, 2025

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 […]

Volunteer Data Powering the Bay Report Card

Posted on July 28, 2025

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 […]

New Partner Spotlight: Jug Bay Wetlands Sanctuary

Posted on July 21, 2025

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 […]