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Federal
Small Watershed Hydrology (WinTR-55)
Department of Agriculture —
WinTR-55 is a single-event rainfall-runoff small watershed hydrologic model. The model generates hydrographs from both urban and agricultural areas and at selected... -
Impervious Surface 2021
District of Columbia —
The dataset contains basemap features that are typically classified as impervious surface, captured in 2021. Some examples of Impervious Surfaces include: Airport... -
Impervious Surface 2025
District of Columbia —
The dataset contains basemap features that are typically classified as impervious surface, captured in 2025.Some examples of Impervious Surfaces include: Airport... -
City
Drainage Pipe
City of Austin —
The data being collected is to be used for several purposes: - Hydraulic/hydrologic modeling input - Work Order Management System integration - Map book production -... -
Federal
Concentrations of 6PPD and 6PPD-Quinone in a United States reconnaissance of stormwater, surface water, and groundwater, 2018-24
Department of the Interior —
From 2018 to 2024 surface waters (fresh and brackish), groundwater, and stormwater (runoff, re-use) samples were collected from sites with varying landuse... -
Impervious Surface 2023
District of Columbia —
The dataset contains basemap features that are typically classified as impervious surface, captured in 2023. Some examples of Impervious Surfaces include: Airport... -
Federal
VELMA Seattle Work
U.S. Environmental Protection Agency —
MOEA and VELMA files used in support of Seattle Green Roof Modeling Project. This dataset is associated with the following publication: Barnhart, B., P. Pettus, J.... -
Federal
Stormwater Input File
U.S. Environmental Protection Agency —
SWMM 5.0 input file. This dataset is not publicly accessible because: EPA cannot release personally identifiable information regarding living individuals, according... -
Federal
Analyses of water and tissue samples - Evaluating the impacts of pesticides on ESA-listed salmon and their habitats
National Oceanic and Atmospheric Administration, Department of Commerce —
Long-running science support for the agency (Office of Protected Resources, others) related to the use of modern pesticides throughout the United States as a limiting... -
Federal
Pharmaceuticals in the Environment, Information for Assessing Risk (PEiAR)
National Oceanic and Atmospheric Administration, Department of Commerce —
The database provides information on prescribed amounts, levels detected in aquatic environments, chemical structure, molecular weight, octanol-water partition... -
City
Green Infrastructure Water Capture Capacity
City of Los Angeles —
Green infrastructure is designed to capture and infiltrate or filter stormwater runoff through natural systems. This dataset is used in combination with precipitation... -
Federal
Stable isotope database - Transport and fate of nutrient and pathogen loadings into nearshore Puget Sound: consequences for shellfish growing areas
National Oceanic and Atmospheric Administration, Department of Commerce —
This project seeks to develop and apply an assessment of shellfish growing area (SGA) vulnerability to closures caused by watershed- and marine-derived pathogens.... -
Federal
Spore-Bioretention Cell Stormwater Data
U.S. Environmental Protection Agency —
These data contain results of a field study evaluating the capture and release of Bacillus globigii spores from two different media filled bioretention cells located... -
Federal
Model Archive for Analysis of Flows, Concentrations, and Loads of Highway and Urban Runoff and Receiving-Stream Stormwater in Southern New England with the Stochastic Empirical Loading and Dilution Model (SELDM)
Department of the Interior —
This data release documents the data and models used to assess flows, concentrations, and loads of highway and urban runoff and of stormwater within receiving streams... -
Federal
Nitrapyrin, 6-CPA, and Herbicide Concentrations in Streams in the Midwestern US (March 2016 to June 2017)
Department of the Interior —
Nitrapyrin, a nitrification inhibitor, 6-CPA, a nitrapyrin degradate, and three co-applied herbicides (acetochlor, atrazine, and metolachlor) were measured in water... -
State
Municipal Stormwater Permit Outfall Data
State of Washington —
Special Condition S8.D of the 2007-2012 Phase I Municipal Stormwater Permit required permittees to collect and analyze data to evaluate pollutant loadings of... -
Federal
NC SELDM simulation outputs processed (R scripts) [child item]: Application of the North Carolina Stochastic Empirical Loading and Dilution Model (SELDM) to Assess Potential Impacts of Highway Runoff
Department of the Interior —
In 2013, the U.S. Geological Survey (USGS) in partnership with the U.S. Federal Highway Administration (FHWA) published a new national stormwater quality model called... -
Federal
Developing multiple lines of evidence JA Dataset
U.S. Environmental Protection Agency —
This data set is thedata of new plant survey and soil/media analysis for journal article currently titled "Developing multiple lines of evidence to decrease drainage... -
State
i19 Stormwater Capture Master Plan LosAngelesDWP Geophysical Polys
State of California —
The feature dataset contains geophysical properties to analyze where obstacles to infiltration exist and where infiltration would be most desirable. Such properties...