Potomac Basin Water Quality Data Inventory

Interstate Commission on the Potomac River Basin

Five people standing in a stream looking at a net used for stream monitoring.Water quality managers, researchers, and decision-makers depend on available water quality data, but it can be a challenge just to find the data collected for a specific waterway. To this end, ICPRB staff members produced an inventory of available water quality data sources in the Potomac River basin that includes information on watershed characteristics such as land use, zoning, elevation, and precipitation to help explain water quality patterns seen in the data.

Data Inventory

The following products have been developed as part of the data inventory effort:

  • Project Report—provides a summary of the inventory, a description of data sources and how to obtain data, an identification of gaps in the inventory, and a discussion of next steps.
  • Water Quality Inventory Datasheet—users can download the datasheet to obtain more information about the data sources without downloading the data.
  • Mapping Interface—This feature is currently offline for improvements. The link will be updated when available. Please contact us for access to the geospatial data.


Efforts are made by ICPRB to keep this information up-to-date. As water quality data inventory collection efforts in the basin are extensive, however, the information provided here is for informational purposes only and is not guaranteed to be complete or appropriate for any particular use.

Contact us with questions or to submit additional water quality data sources for inclusion in the inventory.