31 datasets found
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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
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
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
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
Blackwater NWR water quality monitoring 2022 - 2024
Department of the Interior —
Survey protocol and data for water quality monitoring program on Blackwater NWR 2022 - 2024. -
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... -
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
Estimated nutrient and sediment concentrations from major rivers in Illinois based on continuous monitoring from October 1, 2015, through September 30, 2021
Department of the Interior —
During water years 2016–2021 (a water year begins on October 1 and ends on September 30 and is designated by the year in which it ends), the U.S. Geological Survey... -
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
GLM 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
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
Water-quality and streamflow datasets used for estimating loads considered for use in the 2002 Midcontinent nutrient SPARROW models, United States and Canada, 1970-2012
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
Water-quality and streamflow datasets used in Weighted Regressions on Time, Discharge, and Season (WRTDS) models to determine trends in the Nation’s rivers and streams, 1972-2017 (output data)
Department of the Interior —
In 1991, the U.S. Geological Survey (USGS) began a study of more than 50 major river basins across the Nation as part of the National Water-Quality Assessment (NAWQA)... -
Federal
SFCN Periphyton Monitoring Protocol Data Package (2008 - 2024): Site Condition, Total Phosphorus, and Diatom Data
Department of the Interior —
A data package consisting of diatom, total phosphorus, and related data collected in Big Cypress National Preserve as part of the SFCN Periphyton Vital Signs... -
Federal
Paired Watershed Data for Pleasant Valley Creek and Ridgeway Branch, Wisconsin 2006-2016
Department of the Interior —
This data release includes three sets of data collected for a farm- and field-focused phosphorus reduction study in south-central, Wisconsin, USA. Paired samples... -
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... -
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
Eutrophication models to simulate changes in the water quality of Green Lake, Wisconsin in response to changes in in phosphorus loading and supporting water-quality data for the lake, its tributaries, and atmospheric deposition
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
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
Datasets for estimating invertebrate response to changes in total nitrogen, total phosphorus, and specific conductance at sites where invertebrate data are unavailable
Department of the Interior —
These data were used to describe a possible approach to estimate changes in invertebrate taxa richness at sites across the United States with known water-quality...
31 datasets found