Chesapeake Bay Program - A Watershed Partnership

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Water Quality - Maps

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Maps

Mid-Channel Water Clarity

Mid-Channel Water Clarity (2008)

Water Quality Protection Value - Resource Lands Assessment

Phytoplankton (Index of Biological Integrity) (2007) Percent of Goal Achieved

Chlorophyll a 2007 Percent Goal Achieved

Phytoplankton (Index of Biological Integrity) (2007) Annual Average Score by Sampling Station

Chlorophyll a (2008) Percent Goal Achieved

Phytoplankton (Index of Biological Integrity) (2008) Percent of Goal Achieved

Phytoplankton (Index of Biological Integrity) (2008) Annual Average Score by Sampling Station

Dissolved Oxygen, Percent Goal Achieved for 2008, 3 YR Analysis

Dissolved Oxygen, Percent Goal Achieved for 2007, 1 YR Analysis

Dissolved Oxygen, Percent Goal Achieved for 2007, 3 YR Analysis

Benthic Habitat (Index of Biological Integrity) (2007) Annual Average Score by Sampling Station

Benthic Habitat (Index of Biological Integrity) (2007) Annual Average Score by Sampling Station

Benthic Habitat (Index of Biological Integrity) (2008) Annual Average Score by Sampling Station

Chesapeake Bay Watershed Model: Phase 4.3 Modeling Segments

Plankton Monitoring Stations - In Use 2000-2007

Dissolved Oxygen Designated Uses of the Chesapeake Bay and its Tidal Tributaries

Benthic Habitat (Index of Biological Integrity) (2007) Percent of Goal Achieved

Benthic Habitat (Index of Biological Integrity) (2008) Percent of Goal Achieved

Benthic Macroinvertebrate Impairments

Sediment Pollution Controls Summary (2007)

Nitrogen Pollution Controls Summary (2007)

Phosphorous Pollution Controls Summary (2007)

Impervious Surfaces

Point Sources and Priority Agricultural Watersheds - Maryland

Point Sources and Priority Agricultural Watersheds - Pennsylvania

Point Sources and Priority Agricultural Watersheds - Virginia

Point Sources and Priority Agricultural Watersheds - Delaware

Bay Grasses - Distribution Used to Set the Restoration Goal in 2003

Point Sources and Priority Agricultural Watersheds - New York

Point Sources and Priority Agricultural Watersheds - West Virginia

Impervious Surfaces - 2000

Chemical Contaminants (2006)

Bay Grasses - 2006 Distribution

Chemical Contaminants (2008)

Bay Grasses (SAV) Restoration Goal Achievement: Single Best Year 2006-2008

Chesapeake Bay Stewardship Fund: 2009 Innovative Nutrient and Sediment Reduction Grants

Hydrogeomorphic Regions

Health of Freshwater Streams in the Chesapeake Bay Watershed

Point Sources and Priority Agriculture Watersheds - Chesapeake Bay Watershed

Migratory Fish Spawning & Nursery Designated Use

Delivered Yield of Total Nitrogen - Point Sources

Chesapeake Bay Mean Surface Salinity - Winter (1985-2006)

Chesapeake Bay Mean Surface Salinity - Spring (1985-2006)

Chesapeake Bay Mean Surface Salinity - Summer (1985-2006)

Chesapeake Bay Mean Surface Salinity - Fall (1985-2006)

Chesapeake Bay Segmentation Scheme (For 303d listing - 92 segments)

Delivered Yield of Total Phosphorus - Point Sources

Classification of Watersheds - Based on 2000 Land cover

Chesapeake Bay Tributary Basins

Delivered Yield of Total Nitrogen - All Sources

Phase 4.3 Model Segmentation, Chesapeake Bay Watershed Model

Delivered Yield of Total Nitrogen - Agricultural Sources

Delivered Yield of Total Nitrogen - Urban Sources

Delivered Yield of Total Phosphorus - All Sources

Delivered Yield of Total Phosphorus - Agricultural Sources

Delivered Yield of Total Phosphorus - Urban Sources

Urban Sources of Total Nitrogen - Quartile Ranking within the Chesapeake Bay Watershed

Urban Sources of Total Phosphorus - Quartile Ranking within the Chesapeake Bay Watershed

Bay Grasses (SAV) Restoration Goal Achievement

Prime Farmland - Resource Lands Assessment

Urban Sources of Total Nitrogen - Quartile Ranking within Maryland

Urban Sources of Total Phosphorus - Quartile Ranking within Maryland

Urban Sources of Total Nitrogen - Quartile Ranking within Pennsylvania

Urban Sources of Total Phosphorus - Quartile Ranking within Pennsylvania

Urban Sources of Total Nitrogen - Quartile Ranking within Virginia

Chesapeake Bay Small Watershed Grants

Urban Sources of Total Phosphorus - Quartile Ranking within West Virginia

Urban Sources of Total Nitrogen - Quartile Ranking within Delaware

Urban Sources of Total Phosphorus - Quartile Ranking within Delaware

Urban Sources of Total Nitrogen - Quartile Ranking within New York

Urban Sources of Total Phosphorus - Quartile Ranking within New York

Phase 2.0 Model Segmentation, Chesapeake Bay Watershed Model

Phase 3.0 Model Segmentation, Chesapeake Bay Watershed Model

Omernik Ecoregions

Benthic Monitoring Stations - 2006 Sampling

Zebra Mussel Sightings in the Chesapeake Bay Watershed

Chesapeake Bay Watershed Model: Phase 5 Modeling Segments

Forest Economics - Resource Lands Assessment

Urban Sources of Total Phosphorus - Quartile Ranking within Virginia

Priority Living Resource Areas

Chesapeake Bay Airshed

Urban Sources of Total Nitrogen - Quartile Ranking within West Virginia

Chesapeake Bay Watershed

Hydrologic Unit Boundaries - HUC 8

Fish Passage Progress (2007) in the Chesapeake Bay Watershed

Fish Passage Progress (2008) in the Chesapeake Bay Watershed

Hydrologic Unit Boundaries - HUC 11

Riparian Forest Buffer Restoration (2007)

Chesapeake Bay Watershed Physiography

Riparian Forest Buffer Restoration (2008)

Public Access Sites

Fish Passage Progress

Population (2005)

Projected Population (2030)

Protected Lands 2006

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Last modified: 01/08/2008

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