316 datasets found
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Federal
NLCS Wild and Scenic River Outstandingly Remarkable Values Table
Department of the Interior —
This polygon feature class represents the spatial extent and boundaries of the BLM National Landscape Conservation System (NLCS) Wild and Scenic River Corridors. This... -
Federal
Corrosivity index and streamflow datasets used to evaluate trends in potentially corrosive source waters in the Nation's streams and rivers (input) (1964-2016)
Department of the Interior —
Changes in water corrosivity from 84 river sites were investigated using long-term (1962 – 2016) data sets. Corrosive waters, often having elevated chloride (Cl)... -
Federal
Nitrogen, phosphorus, and suspended-sediment loads and trends measured at the Chesapeake Bay River Input Monitoring stations: Water years 1985-2020
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
Waterborne Self-potential, Temperature, and Conductivity Logging Data from the Elm Fork of the Trinity River between Lewisville Lake Dam and Frasier Dam Recreational Area, January 2022.
Department of the Interior —
This data release contains waterborne self-potential (WaSP) and surface-water (SW) temperature, conductivity, and specific conductance data measured by the U.S.... -
Federal
New England observed and predicted growing season maximum stream/river temperature points
U.S. Environmental Protection Agency —
The shapefile contains points with associated observed and predicted growing season maximum stream/river temperatures in New England based on a spatial statistical... -
State
MO_2016_Section_303d_Listed_Impaired_Rivers_and_Streams_shp
State of Missouri —
This data set contains Missouri's 2016 Section 303(d) Listed Waters - Rivers and Streams and is a list of certain impaired waters in the State of Missouri. The list... -
Federal
Chesapeake Bay River Input Monitoring Network 1985-2017: 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 1985-2018: Annual loads (ver. 2.0, May 2020)
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: IR2012 Impoundments
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... -
State
MD iMAP: Maryland Rivers
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
Depth average velocity of select Rock Outcrops of the St. Croix River, May 2021
Department of the Interior —
This dataset is a digital surface of depth-averaged flow velocities for six sites where known rock structures exist in the St. Croix River. Acoustic Doppler Current... -
Federal
Model Archive: Simulations of Sediment Transport, Middle Channel of St. Clair River Delta, Michigan
Department of the Interior —
This archive contains results of flow and sediment transport simulations of a reach of the Middle Channel of the St. Clair River delta, Michigan using the iRIC... -
Federal
Measurements of bed grain size on the Colorado River in Grand Canyon National Park, Arizona - 2000 to 2014
Department of the Interior —
These data were compiled to better understand sedimentation patterns on the bed of the Colorado River in Grand Canyon National Park, and the way these patterns relate... -
State
MD iMAP: Tidal Waters - Fish Tissue and Metals 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
Diatom and environmental data
U.S. Environmental Protection Agency —
These raw data associated with this research were collected as part of the United States Environmental Protection Agency's 2018-2019 National Rivers and Streams... -
Federal
Basin Centroid Points for Unregulated Streamgagages 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
Physical habitat, landscape data, and water chemistry in the Karun River Basin
U.S. Environmental Protection Agency —
Physical habitat, landscape data, and water chemistry in the Karun River Basin. This dataset is not publicly accessible because: Data is the property of Isfahan... -
Federal
Metadata for Carlisle et al. A Web-Based Tool for Assessing the Condition of Benthic Diatom Assemblages in Streams and Rivers of the Conterminous United States
U.S. Environmental Protection Agency —
R code and data files used to identify diatom metrics that are robust to taxonomic inconsistency. The R code run a goodness of fit analysis to determine how much... -
Federal
BLM OR Fish Anadromous Polygon Hub
Department of the Interior —
FISH_ANADROMOUS_POLY: Presence or absence of Anadromous fish within an NHD waterbody feature. -
Federal
Water Quality Data starting in 2017 for the Bighorn River near St. Xavier, MT (Bighorn Canyon National Recreation Area)
Department of the Interior —
Comma separated values for monthly water chemistry data and water quality field parameters, Bighorn River near St. Xavier, MT.
316 datasets found