- Maryland Department of the Environment Water Quality Maps
- Maryland Department of the Environment Water Quality Assessments (IR) and TMDL’s
- Maryland’s Tier II High Quality Waters
- Web Soil Survey
- 2011 Maryland Standards and Specifications for Soil Erosion and Sediment Control
- 2013 PGSCD Soil Erosion & Sediment Control Reference Manual
- 2015 Maryland Soil Erosion and Sediment Control Standards and Specifications for Forest Harvest Operations
- Maryland Waterways Construction Manual