316 datasets found
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Federal
Chesapeake Bay Nontidal Network 1985-2016: Short- and long-term trends
Department of the Interior —
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in rivers across the Chesapeake Bay watershed have been calculated using monitoring data... -
Federal
New England observed and predicted July stream/river temperature maximum positive daily rate of change points
U.S. Environmental Protection Agency —
The shapefile contains points with associated observed and predicted July stream/river temperature maximum positive daily rate of change in New England based on a... -
Federal
Fish data collected within the greater Fountain Creek Basin, Colorado
Department of the Interior —
Invertebrate, fish, and habitat data were collected as part of a cooperative project that began in 2002 between the U.S. Geological Survey, Colorado Springs... -
Federal
Chesapeake Bay River Input Monitoring Network 1985-2019: Annual loads
Department of the Interior —
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed have been calculated using monitoring... -
Federal
Chesapeake Bay River Input Monitoring Network 1985-2019: Average annual yields
Department of the Interior —
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed have been calculated using monitoring... -
Federal
Chesapeake Bay Nontidal Network 1985-2017: WRTDS input data
Department of the Interior —
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed have been calculated using monitoring... -
Federal
Exit Creek Transect Survey, June 2013
Department of the Interior —
This dataset consists of survey data from transects surveyed June 10-12, 2013 along Exit Creek, a stream draining Exit Glacier in Kenai Fjords National Park, Alaska.... -
Federal
Chesapeake Bay Nontidal Network 1985-2018: WRTDS input data
Department of the Interior —
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in rivers across the Chesapeake Bay watershed have been calculated using monitoring data... -
State
MD iMAP: Tidal Waters - Shellfish/Bacteria Assessments only
State of Maryland —
This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. The MD_Surface_Waters Feature Dataset includes 7 feature classes that... -
Federal
Invertebrate data collected within the greater Fountain Creek Basin, Colorado
Department of the Interior —
Invertebrate, fish, and habitat data were collected as part of a cooperative project that began in 2002 between the U.S. Geological Survey, Colorado Springs... -
Federal
Concentration Data for 12 Elements of Concern Used in the Development of Surrogate Models for Estimating Elemental Concentrations in Surface Water of Three Hydrologic Basins (Delaware River, Illinois River and Upper Colorado River)
Department of the Interior —
The release of elements of concern (EoC) to surface water can involve both natural and anthropogenic sources. Elevated EoC concentrations can pose a risk to human... -
Federal
Chesapeake Bay Nontidal Network 1985 – 2018: Daily High-Flow and Low-Flow Concentration and Load Estimates (ver. 1.1, November 2021)
Department of the Interior —
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in rivers across the Chesapeake Bay watershed have been calculated using monitoring data... -
Federal
Sockeye Salmon (Oncorhynchus nerka) Body Condition and Water Temperature Along the Pilgrim River, Northwestern Alaska, 2013-2016
Department of the Interior —
This dataset is four tables with: 1) the body condition and egg counts of Sockeye Salmon captured at several sites along the Pilgrim River 2013-2016, 2) water... -
Federal
Topographic points surveyed in 2018-19 for step-backwater analysis, in the aftermath of Hurricane Maria in Puerto Rico
Department of the Interior —
This data release provides topographic (horizontal and vertical) data for 58 sites, surveyed March 12, 2018 to July 18, 2019 as part of documentation of flooding that... -
Federal
Daily Estimates of Chlorophyll Concentration and for 82 U.S. Rivers
Department of the Interior —
This data release contains modeled daily chlorophyll concentration for 82 streams and rivers across the conterminous United States. Estimates of daily chlorophyll... -
Federal
Streamflow Correlation Map Grids in and near West Virginia 1930-2011
Department of the Interior —
Correlation of flows at pairs of streamgages were evaluated using a Spearman’s rho correlation coefficient to better identify gages that can be used as index gages to... -
Federal
Chesapeake Bay Nontidal Network 1985-2020: Annual loads (ver. 2.0, January 2023)
Department of the Interior —
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed have been calculated using monitoring... -
Federal
Permit Compliance System (PCS)
U.S. Environmental Protection Agency —
The Permit Compliance System (PCS) provides information on companies which have been issued permits to discharge waste water into rivers. -
Federal
Data release for Influence of multi-decadal land use, irrigation practices and climate on riparian corridors across the Upper Missouri River headwaters basin, Montana
Department of the Interior —
The Upper Missouri River headwaters (UMH) basin (36 400 km2 ) depends on its river corridors to support irrigated agriculture and world-class trout fisheries. We... -
Federal
Southeast Alaska I&M Network Water Quality Data Package (FQ_Q) for monitoring years 2010-2022 at Glacier Bay National Park and Preserve
Department of the Interior —
This data set is a comma-separated values (CSV) file containing continuous hourly water quality observations of the Salmon River in Glacier Bay National Park and...
316 datasets found