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Interstate Commission on the Potomac River Basin
- ICPRB
- About ICPRB
- Focus Areas
- Drinking Water and Water Resources
- Cooperative Water Supply Operations on the Potomac
- Drinking Water
- Water Resources
- De-icing and Anti-icing ChemicalsÂ
- Hydrologic and Hydrogeologic Assessments
- Water Resources Planning
- Water Quality
- CBP Water Quality Data Management
- Chesapeake Bay Watershed Model assistance
- Ecological Limits of Hydrologic Alteration (ELOHA)
- James River Chlorophyll a Reference Curve
- Mid-Atlantic Water Quality Trends
- Middle Potomac Sustainable Flow and Water Resources Analysis
- Potomac Basin Water Quality Data Inventory
- Total Maximum Daily Loads (TMDLs)
- West Virginia water quality trends
- ICPRB and the Chesapeake Bay
- Aquatic Life
- “Chessie BIBI” stream health indicator
- American Shad Restoration
- Atlantic Sturgeon
- Cacapon River Study
- Calling for Volunteers!
- Chlorophyll Criteria
- EPA Region 3 Mid-Atlantic State’s Algae Identification Workshop
- James River Balanced Healthy Phytoplankton Study
- Large River Assessment Methods
- Phytoplankton Index of Biotic Integrity for Chesapeake Bay
- Potomac River Mainstem Biological Monitoring
- Virginia’s Shenandoah River Filamentous Algae
- West Virginia Filamentous Algae Survey
- Communication & Education
- Drinking Water and Water Resources
- ICPRBCelebrates80
- Potomac Basin Comprehensive Water Resources Plan
- Potomac Basin Facts
- Potomac River Watch
- Privacy Policy
- Publications
- Resources
- Educator Resources
- Get Involved
- Citizen Science Weekend Warrior
- Resources for Watershed Groups
- Upcoming Events in the Potomac Watershed
- Watershed Activities to Encourage Restoration (W.A.T.E.R.)
- Adopt-a-Storm Drain Program
- Build a Bat Box
- Build a Compost Bin
- Build a Nesting Box
- Build a Rain Barrel
- Build a Worm Bin (Vermicomposting)
- Collecting Native Tree Seeds
- Create a Community Environmental Story
- Create a Watershed Fact Sheet
- How to Create a Rain Garden
- Letter Writing Campaign
- Organize a Stream Cleanup
- Plan a Summer River Sojourn
- Planting Trees from Containers or Ball and Burlap
- Seedling Tree Planting
- Stenciling Storm Drains
- Summer Invasive Species Removal
- Maps
- News, Publications, and Library Resources
- Sitemap
- The Potomac River Basin and its Estuary: Landscape Loadings and Water Quality Trends, 1895 – 2005
- Water Market Brownbag Lunch Discussions