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Maryland Water Quality Data

Ambient Water Quality Monitoring System (AWQMS) and Water Quality Portal

The AWQMS System is used to collect, enter and QA/QC data collected by Maryland Department of the Environment and its partners.  All this data sent to National Storet Database via the Water Quality Exchange (WQX).

This information can be retrieved from the Water Quality Data Portal.​

Water Quality Portal

The Water Quality Portal (WQP) is a cooperative service sponsored by the United States Geological Survey (USGS), the Environmental Protection Agency (EPA), and the National Water Quality Monitoring Council (NWQMC). It serves data collected by over 400 state, federal, tribal, and local agencies.




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