Found 17 datasets matching filters.
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This dataset contains estimates of the yearly sum of total nitrogen and total phosphorus (hereafter referred to as nitrogen and phosphorus) inputs from fertilizer applications and from manure...
Search relevance: 1.00 | Views last month: 17 | Published on: 2026-03-03 -
This U.S. Geological Survey data release contains datasets that combine past data with future projections of nitrogen sources and nitrogen export to the Chesapeake Bay watershed for the years...
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-03-03 -
Iowa Department of Natural Resources issues discharge permits under delegation of a federal program known as the NPDES (National Pollutant Discharge Elimination System) permit program. The NPDES...
Search relevance: 1.00 | Views last month: 1 | Published on: 2025-08-06 -
This dataset presents the results of analysis of aquatic biota tissue samples, collected at 2 sites (Las Vegas Bay and Overton Arm) in 2013 and 2 sites (Las Vegas Bay, Boulder Basin, and Overton...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
This data release presents the results of analyses of biota and water samples collected on multiple dates from 2007 to 2014 at 3 locations in Lake Mead National Recreation Area. Data are presented...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
The dataset contains estimates for total nitrogen and total phosphorus loads from point sources, combined sewer overflows, wastewater treatment plants that discharge to surface water for selected...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
This data release presents chemical results from investigations of surface-water quality in the Potomac River watershed (encompassing Washington, D.C. and parts of West Virginia, Virginia,...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
A method to estimate the probable high groundwater level in Massachusetts, excluding Cape Cod and the Islands was developed in 1981. The method, commonly called the “Frimpter Method,” uses a...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
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 the United States and...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
Incedental wastewater reuse from streams that receive discharges from Wastewater Treatment Facilities (WWTF) has the potential to be a significant contributor of Endocrine Disrupting Chemicals. An...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
This dataset presents the results of analysis of aquatic biota tissue samples, collected over multiple sampling events from in from 2007 to 2014 at three sites (Las Vegas Bay, Overton Arm, and...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
This data release includes water-quality data collected at 38 sites in central and eastern Massachusetts from April 2018 through May 2019 by the U.S. Geological Survey to support the...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
This data release includes data provided by Colorado Springs Utilities to the U.S. Geological Survey. Two types of data are included here. First are daily average effluent discharge rates from the...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
This dataset presents the results of passive water sampling conducted at 2 sites in 2013 and 3 sites in 2014 in Lake Mead National Recreational Area. Polar Organic Chemical Integrative Samplers...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
These tabular data are the summarization of human related variables within catchments of the Chesapeake Bay watershed at the 1:24,000 scale using the xstrm methodology. Variables being counted as...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
The U.S. Geological Survey (USGS) developed a spatial water-quality model called SPAtially Referenced Regressions On Watershed attributes (SPARROW) to estimate the major sources and environmental...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
Data set contains water quality measurements and survival of fathead minnow from in situ and laboratory bioassay exposures to wastewater from a spill on Blacktail Creek, North Dakota, USA
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03