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Federal
National Lakes Assessment 2022 Datafiles for Report " National Lakes Assessment: The Fourth Collaborative Survey of Lakes in the United States”
U.S. Environmental Protection Agency —
The National Lakes Assessment (NLA) is a statistical survey of the condition of our nation's lakes, ponds, and reservoirs. It is designed to provide information on... -
Federal
Supplementary material for Lee et al. 2019 Taxonomic harmonization may reveal a stronger association between diatom assemblages and total phosphorus in large datasets
U.S. Environmental Protection Agency —
Diatom data have been collected in large-scale biological assessments in the United States, such as the U.S. Environmental Protection Agency’s National Rivers and... -
State
Interagency Ecological Program: Discrete water quality monitoring in the Sacramento-San Joaquin Bay-Delta, collected by the Environmental Monitoring Program, 2000-2018.
State of California —
The Interagency Ecological Program’s (IEP) Environmental Monitoring Program (EMP) has historically monitored discrete water quality and nutrients in the San Francisco... -
Federal
Predicting lake chlorophyll from stream phosphorus concentrations (2024): Data and Scripts
U.S. Environmental Protection Agency —
Monitoring data from Minnesota and from national surveys of lakes and streams that were used in the analysis for the paper: Predicting lake chlorophyll from stream... -
Federal
Considerations when using nutrient inventories to prioritize water quality restoration/improvement efforts across the US
U.S. Environmental Protection Agency —
The corresponding database integrates multiple streams of information to provide estimates of fluxes and surpluses across urban and agricultural domains as well as... -
Federal
NARS Lake and Stream Predictor Dataset, V1
U.S. Environmental Protection Agency —
This dataset allows the user to explore the potential impacts of various environmental and anthropogenic drivers on observed growing season total phosphorus... -
Federal
Nitrogen and phosphorus from fertilizer and manure for selected Chesapeake Bay watersheds
Department of the Interior —
This dataset contains estimates of the yearly sum of total nitrogen and total phosphorus (hereafter referred to as nitrogen and phosphorus) inputs from fertilizer... -
Federal
Nitrogen and phosphorus from fertilizer and manure in the Chesapeake Bay watershed, 1950-2012
Department of the Interior —
This dataset contains four tables of estimates of the yearly sum of nitrogen and phosphorus inputs from fertilizer applications and from manure applications in... -
Federal
Wastewater Treatment Plant Total Phosphorus Flux Load Estimates Red River of the North Basin
Department of the Interior —
The dataset contains estimates for total phosphorus flux from wastewater treatment plants that discharge to surface water within the Red River of the North Basin in... -
Federal
Water-quality trends for rivers and streams in the Delaware River Basin using Weighted Regressions on Time, Discharge, and Season (WRTDS) models, Seasonal Kendall Trend (SKT) tests, and multisource data, Water Year 1978-2018 (input data)
Department of the Interior —
The datasets provided here are the input data used to run the Seasonal Kendall Trend (SKT) tests and Weighted Regressions on Time, Discharge, and Season (WRTDS)... -
Federal
Water-quality and streamflow datasets used for estimating long-term mean streamflow and annual loads to be considered for use in the 2012 regional streamflow, nutrient and sediment SPARROW models, United States, 1999-2014
Department of the Interior —
The United States Geological Survey’s (USGS) SPAtially Referenced Regressions On Watershed attributes (SPARROW) model was developed to aid in the interpretation of... -
Federal
Model archive for analysis of the effects of impervious cover on receiving-water quality with the Stochastic Empirical Loading Dilution Model (SELDM)
Department of the Interior —
This is a model archive of SELDM development data and simulation results of total phosphorus concentrations in concurrent stormflows from drainage basins in the... -
Federal
Water-quality data and computed flow-normalized and low-flow concentrations and loads in the Kansas River, Kansas, 1972–2020
Department of the Interior —
This data release provides water-quality data collected and analyzed by the U.S. Geological Survey (USGS) and the Kansas Department of Health and Environment (KDHE)... -
Federal
SPARROW model simulated nutrient loads in streams of the Midcontinental Region of Canada and the United States, 2002 Base Year
Department of the Interior —
The U.S. Geological Survey’s (USGS) SPAtially Referenced Regression On Watershed attributes (SPARROW) model was developed to aid in the interpretation of monitoring... -
Federal
Total Phosphorus Flux/Load Estimates Red River of the North Basin
Department of the Interior —
The dataset contains estimates of annual flow and annual flux in kilograms for six sites in the Red River of the North Basin (identified as basin 1, 2, 3, 4, 5, and... -
Federal
Lake, stream, meteorology, and atmospheric deposition data
Department of the Interior —
In this data release, we provide data to describe the water quality in Green Lake, Wisconsin, from 1905 to 2020, primarily the constituents for which it is impaired,... -
Federal
2018 CSMI LAKE ONTARIO LOWER FOOD AQUATIC WEB ASSESSMENT - Total Phosphorous Data
U.S. Environmental Protection Agency —
Lake Ontario open lake and nearshore phosphorus data in support of developing a model and manuscript. This dataset is associated with the following publication:... -
Federal
Average Annual Loads and Yields of Nitrate and Phosphorus from Illinois Watersheds (HUC8s) for Three Periods between 1997 and 2022
Department of the Interior —
This data release supports "Diverging trends in nitrate and phosphorus loads and yields across Illinois watersheds, 1997–2022" (Kamrath and others, 2024) and the... -
Federal
GLM-AED calibration inputs and outputs
Department of the Interior —
In this data release, we provide data to describe the water quality in Green Lake, Wisconsin, from 1905 to 2020, primarily the constituents for which it is impaired,... -
Federal
Water-quality trends for rivers and streams in the Delaware River Basin using Weighted Regressions on Time, Discharge, and Season (WRTDS) models, Seasonal Kendall Trend (SKT) tests, and multisource data, Water Year 1978-2018 (output data)
Department of the Interior —
The datasets provided here are the output from the Seasonal Kendall Trend (SKT) test and Weighted Regressions on Time, Discharge, and Season (WRTDS) model that...