Water Science for Maryland, Delaware and the District of Columbia
Click to access historical data for CL Ad 47
Click to access CL Ad 47 Groundwater Watch page
Click to access available Annual Data Report pages for CL Ad 47
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Click to access historical data for CL Ec 75
Click to access CL Ec 75 Groundwater Watch page
Click to access available Annual Data Report pages for CL Ec 75
Quick Link to Real-Time DataEnter a USGS site number: