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The USGS collects multiple types of data in the Chesapeake Bay watershed. The Data Catalog contains a list and links of all the types of Chesapeake information from USGS. Some of the most relevant data related to streams and rivers is highlighted in the “tracking status and trends indicators of stream health”. Land cover, use, and change data are also highlighted.

USGS Chesapeake Bay Studies - Data Catalog

### New High-Resolution, Land-Use and Change Data Improves Decision-Making

With support from the CBP, the USGS, Chesapeake Conservancy and the University of Vermont developed an improved 1-meter resolution land use/land cover (LULC) data set for the Chesapeake Bay watershed.

Read more

### Freshwater Flow into Chesapeake Bay

The USGS provides estimates of the monthly and annual amounts of freshwater flow into the Bay so scientists and managers can better understand effects on ecosystem conditions.

View data

### Tracking Status and Trends in Seven Key Indicators of Stream Health

Identifying and tracking the status of, and trends in, stream health within the Chesapeake Bay watershed is essential to understanding the past, present, and future trajectory of the watershed’s resources and ecological condition.

Learn more

August 8, 2018

####                 Implementation of conservation tillage and cover crops in the Chesapeake Bay watershed, 1985 to 2012              

Chesapeake Bay Activities, Maryland-Delaware-D.C. Water Science Center

August 7, 2018

####                 Land Use Land Cover, 1998 - 2013, Clarksburg (Montgomery County, MD)              

Chesapeake Bay Activities, New Jersey Water Science Center

July 26, 2018

####                 Datasets and metadata for estimates of nitrate loads and yields from groundwater to streams in the Chesapeake Bay watershed based on land use and geology              

Water Resources Mission Area, National Water Quality Program, Chesapeake Bay Activities, New Jersey Water Science Center

July 20, 2018

####                 Nitrogen, phosphorus, and suspended-sediment loads and trends measured at the Chesapeake Bay River Input Monitoring stations: Water years 1985-2017              

Chesapeake Bay Activities, Virginia and West Virginia Water Science Center

May 14, 2018

####                 Difficult Run Floodplain Sediment and Nutrient Retention Ecosystem Service Datasets, Fairfax County, Virginia              

Chesapeake Bay Activities, South Atlantic Water Science Center (SAWSC)

April 3, 2018

####                 Effects of local shoreline and subestuary watershed condition on waterbird use:  influences of geography, scale, and season in the Chesapeake Bay              

Land Management Research Program, Species Management Research Program, Chesapeake Bay Activities, Eastern Ecological Science Center

March 9, 2018

####                 Estrogen Equivalents of Surface Water in the Upper Chesapeake Bay Watershed (2008 - 2011)              

Ecosystems Mission Area, Contaminant Biology, Land Management Research Program, Chesapeake Bay Activities, Eastern Ecological Science Center

December 11, 2017

####                 Nitrogen, phosphorus, and suspended-sediment loads and trends measured at the Chesapeake Bay Nontidal Network stations: Water years 1985-2016              

Chesapeake Bay Activities, Virginia and West Virginia Water Science Center

November 7, 2017

####                 Potential contaminant sources and other landscape variables summarized for NHDPlus Version 2.1 catchments within the Chesapeake Bay Watershed (ver. 2.0, June 2021)              

Chesapeake Bay Activities, Utah Water Science Center

October 31, 2017

####                 Hormone, pesticide, pharmaceutical and other organic compound data for select water and bed sediment samples collected in Chesapeake Bay watershed in parts of Maryland, Pennsylvania, Virginia, and West Virginia, 2006-2014              

Chesapeake Bay Activities, New York Water Science Center

October 20, 2017

####                 itrogen and phosphorus from fertilizer and manure in the Chesapeake Bay watershed, 1950-2012              

Chesapeake Bay Activities, Maryland-Delaware-D.C. Water Science Center

October 10, 2017

####                 Nitrogen, Phosphorus, and Suspended-Sediment Loads and Trends measured at the Chesapeake Bay Nontidal Network Stations: Water Years 1985-2014              

Chesapeake Bay Activities, Virginia and West Virginia Water Science Center

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