Found 387 datasets matching filters.
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The High Resolution National Hydrography Dataset Plus (NHDPlus HR) is an integrated datset of geospatial data layers, including the most current National Hydrography Dataset (NHD),...
Search relevance: 1.00 | Views last month: 76 | Catalog Last Checked: May 05, 2026 at 08:23 PM -
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: 35 | Catalog Last Checked: May 05, 2026 at 08:22 PM -
This data set is a compilation of data from two sampling efforts (2010 and 2014), focused on determining the presence and distribution of organic contaminants throughout the United States portion...
Search relevance: 1.00 | Views last month: 31 | Catalog Last Checked: May 05, 2026 at 08:18 PM -
These data were collected to characterize the quantity and quality of microplastic particles found in 17 streams in the northeastern United States, from New York to Virginia. USGS staff who...
Search relevance: 1.00 | Views last month: 26 | Catalog Last Checked: May 05, 2026 at 09:03 PM -
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: 24 | Catalog Last Checked: May 05, 2026 at 08:09 PM -
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, including near-surface total...
Search relevance: 1.00 | Views last month: 19 | Catalog Last Checked: May 05, 2026 at 09:20 PM -
This dataset summarizes impairment status for HUC12 watersheds at the CONUS scale using the EPA publicly available Assessment, Total Maximum Daily Load (TMDL) Tracking and Implementation System...
Search relevance: 1.00 | Views last month: 19 | Catalog Last Checked: May 05, 2026 at 08:17 PM -
This Data Release contains various types of hydrologic and geologic data from the Pecos River Basin during 1900–2015, including water-quality data compiled and synthesized from various sources...
Search relevance: 1.00 | Views last month: 19 | Catalog Last Checked: May 05, 2026 at 08:35 PM -
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: 18 | Catalog Last Checked: May 05, 2026 at 07:59 PM -
This part of the data release contains historical streamflow data compiled from the literature and evaporation loss estimates used in the streamflow gain loss equation.
Search relevance: 1.00 | Views last month: 18 | Catalog Last Checked: May 05, 2026 at 09:09 PM -
The Bonnet Carré Spillway (BCS), located about 28 miles northwest of New Orleans, was constructed by the US Army Corp of Engineers (USACE) in the early 1930s as part of an integrated flood-control...
Search relevance: 1.00 | Views last month: 16 | Catalog Last Checked: May 05, 2026 at 08:42 PM -
The goal of this study was to develop a suite of inter-related water quality monitoring approaches capable of modeling and estimating the spatial and temporal gradients of particulate and...
Search relevance: 1.00 | Views last month: 15 | Catalog Last Checked: May 05, 2026 at 08:38 PM -
This U.S. Geological Survey (USGS) Data Release provides high-resolution, nearshore, spatial water-quality data collected from Skaneateles Lake, New York, on August 23, 2018. All data are reported...
Search relevance: 1.00 | Views last month: 15 | Catalog Last Checked: May 05, 2026 at 09:52 PM -
This data release includes physical and chemical data for samples from suspended and bottom sediments of streams in Minnesota. Data were collected in September 2011 and April 2012. These data...
Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: May 05, 2026 at 08:41 PM -
This U.S. Geological Survey (USGS) data release includes input and output tabular files associated with mean seasonal 2002 simulations of total nitrogen and total phosphorus loads of the...
Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: May 05, 2026 at 08:58 PM -
In 2015-16, the U.S. Geological Survey (USGS), in cooperation with the Muskingum Watershed Conservancy District, conducted a study to assess baseline (2015-16) surface-water quality in six lake...
Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: May 05, 2026 at 09:37 PM -
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: 12 | Catalog Last Checked: May 05, 2026 at 08:12 PM -
This dataset was produced from analyzing Affinisep SDB-RPS, Affinisep HLB, and Restek Resprep C18 disks that were deployed with the use of Chemcatcher® passive sampling devices. Silicone bands...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: May 05, 2026 at 08:21 PM -
This dataset includes pesticides and pesticide transformation products in 15 tributaries of the Great Lakes. Pesticides were monitored using polar organic chemical integrative samplers (POCIS) to...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: May 05, 2026 at 09:26 PM -
The U.S. Geological Survey (USGS), in cooperation with the Little River Water-Quality Consortium (LRWQC), collected water samples at 19 sites in the upper Little River Basin, Kentucky, from...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: May 05, 2026 at 07:45 PM
