In October 2025, the Maryland Water Monitoring Council Community Science Committee hosted the Data to Decisions: Why Your Data Matter workshop at the UMBC Technology Center in Halethorpe, Maryland. The workshop convened community science monitoring groups alongside state, federal, and nonprofit partners to explore how community-collected data are used in decision-making processes across Maryland and the Chesapeake Bay watershed.

The Salt Watch program monitors chloride levels in waterways as a result of road salt usage. This newsletter presents the results of the Loudoun Wildlife Conservancy's 2024-2025 Salt Watch monitoring season. It aims to educate about the impacts of road salt runoff and encourage community members to advocate for and implement responsible road salt usage.

This fact sheet provides water monitoring information about bacteria, including why it's important and how it's monitored.

This fact sheet provides monitoring information about benthic macroinvertebrates, including why they're important and how they're monitored.

This fact sheet provides water monitoring information about chlorophyll, including why it's important and how it's monitored.

This fact sheet provides water monitoring information about conductivity, including why it's important and how it's monitored.

This fact sheet provides water monitoring information about dissolved oxygen, including why it's important and how it's monitored.

This fact sheet provides water monitoring information about nitrogen, including why it's important and how it's monitored.

This fact sheet provides water monitoring information about pH, including why it's important and how it's monitored.

This fact sheet provides water monitoring information about phosphorus, including why it's important and how it's monitored.