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Federal
BLM Natl AIM Riparian and Wetland Indicators Hub
Department of the Interior —
This feature class includes monitoring data collected nationally to understand the status, condition, and trend of resources on BLM lands. Data are collected in... -
Federal
PCB Data (excel file) and PFAS Data (excel file)
U.S. Environmental Protection Agency —
Analytical and field sampling data for each 2018-2019 NRSA Fish Tissue Study chemical contaminant are provided, along with a data dictionary that describes the... -
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
BLM OR Hydrography Area Polygon Hub
Department of the Interior —
HYD_AREA_POLY: This dataset contains area features from the US Geologic Survey (USGS) High Resolution National Hydrography Dataset (NHD). NHD Flowline features are... -
State
MD iMAP: Maryland Water Quality - Tier II High Quality Waters 2012
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The intent of this dataset is for it to be used to produce maps and provide... -
Federal
NCCN Water Quality Monitoring Data Package, 2011-2021
Department of the Interior —
This data package contains North Coast and Cascades Network (NCCN) Inventory and Monitoring Program discrete water quality monitoring tabular data collected during... -
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... -
Federal
Compilation of Images from Rivers Reaches across the United States (CIRRUS)
Department of the Interior —
This data release provides a Compilation of Images from River Reaches across the United States (CIRRUS). These images were retrieved programmatically using the Google... -
Federal
A dataset of benthic DNA metabarcoding data from rivers and streams
U.S. Environmental Protection Agency —
These are auxiliary data that complement the dataset associated with subproduct SSWR.401.1.2.24 and can be used to further explore and expand approaches and... -
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. -
Federal
BLM OR Fish Anadromous Arc Hub
Department of the Interior —
FISH_ANADROMOUS_ARC: This feature class is used to determine whether a particular anadromous fish species is present in a stream, which can affect protection buffer... -
State
Major Water Sources in Iowa - Streams
State of Iowa —
The Major Water Sources list was created by IDNR to address concerns that new confinements would be constructed within view of "floatable/canoeable" rivers. The... -
Federal
fishtail_catch:Indices and supporting data characterizing the current and future risk to fish habitat degradation in the Northeast Climate Science Center region
Department of the Interior —
This dataset represents results from this study attributed to the NHDPlus catchments. Human impacts occurring throughout the Northeast United StatesDOI Northeast... -
Federal
Chesapeake Bay River Input Monitoring Network 1985-2023: 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
NRSA 2013-2014 ARG Dataset
U.S. Environmental Protection Agency —
ARG, intI1, fecal indicator bacteria PCR data. This dataset is associated with the following publication: Keely, S., N. Brinkman, E. Wheaton, M. Jahne, S. Siefring,... -
State
MD iMAP: Maryland Tidal Waters
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
EPA 2018-2019 National Rivers and Streams Assessment Diatom Diversity and Phosphorus Study
U.S. Environmental Protection Agency —
Raw data associated with EPA 2018-2019 National Rivers and Streams Assessment Diatom Diversity and Phosphorus Study. This dataset is associated with the following... -
Federal
Chesapeake Bay Nontidal Network 1985-2023: Monthly loads
Department of the Interior —
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed were calculated using monitoring data... -
Federal
National Rivers and Streams Assessment 2018-2019 Date files for report "National Rivers and Streams Assessment: The Third Collaborative Survey"
U.S. Environmental Protection Agency —
The National Rivers and Streams Assessment (NRSA) is a statistical survey of the condition of our nation's perennial rivers and streams. It is designed to provide...