An interactive, map-driven portal for sharing and visualizing water information in Grand County from multiple sources.
Explore river flows, water temperatures, water quality, and more!
Access comprehensive water quality data and advanced visualization tools to support research, monitoring, and decision-making across the Greater Colorado Watershed.
Explore water quality data across multiple stations with our interactive map interface. Filter by parameters, time periods, and monitoring locations.
Create interactive graphs and charts of water quality data. Compare parameters across different time periods and monitoring locations.
Access historical and real-time water quality data. Download datasets in multiple formats for analysis in your preferred tools.
Learn more about the Greater Colorado Watershed Informatics Network and our mission to provide accessible water quality data.
Through a multidisciplinary approach, GCWIN works to monitor environmental health in Grand County. The information we collect is crucial to ensuring that we protect and improve water quality within the headwaters of the Colorado River.

Continuous monitoring of water temperatures across key stream locations.

Comprehensive water quality assessment of lakes and reservoirs.

Detailed analysis of water chemistry and conductivity levels.

Early detection and monitoring of harmful algal blooms.
This platform integrates data from multiple trusted sources to provide comprehensive water quality information across the Greater Colorado Watershed.