Search datasets
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The Water Quality Portal (WQP) is a cooperative service sponsored by the United States Geological Survey (USGS), the Environmental Protection Agency (EPA), and the National Water Quality...
Search relevance: 200.39 | Views last month: 32 | Catalog Last Checked: October 09, 2026 at 04:36 PM -
The Water Quality Portal (WQP) is the premiere source of discrete water-quality data in the United States and beyond. This cooperative service integrates publicly available water-quality data from...
Search relevance: 167.20 | Views last month: 6 | Catalog Last Checked: September 10, 2026 at 07:11 PM -
This dataset, “AquaMatch Chlorophyll a Data from Water Quality Portal ~1970-2024”, is a component of a forthcoming update to AquaSat (Ross et al., 2019), AquaSat version 2 (“v2”). The overarching...
Search relevance: 131.34 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 09:06 PM -
This dataset, “AquaMatch Dissolved Organic Carbon Data from Water Quality Portal ~1970-2024”, is a component of a forthcoming update to AquaSat (Ross et al., 2019), AquaSat version 2 (“V2”). The...
Search relevance: 124.41 | Views last month: 9 | Catalog Last Checked: September 10, 2026 at 10:03 PM -
Backups of all Inventory and Monitoring Network discrete water quality data uploaded to the EPA Water Quality Exchange/STORET (v. 2.0) as of June 2025.
Search relevance: 99.95 | Views last month: 2 | Catalog Last Checked: November 10, 2026 at 03:02 AM -
<p>This data release contains a 17-year record (2005-2022) of discrete chlorophyll data from inland waters, collected from across the nation and territories. These data are from discrete samples...
Search relevance: 61.84 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 09:48 PM -
The Division of Drinking Water requires laboratories to submit water quality data directly. The data is received, and published twice monthly on the Division's water quality portal. The resource...
Search relevance: 52.25 | Views last month: 8 | Catalog Last Checked: October 24, 2026 at 08:44 PM -
The input data package included in this data release contains a total of four (4) datasets. These datasets contain a list of the water quality constituents that were included in the trend analysis...
Search relevance: 50.40 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 10:30 PM -
This dataset is a compilation of data obtained from the Idaho Department of Water Quality, the Idaho Department of Water Resources, and the Water Quality Portal. The 'SiteID' table catalogues...
Search relevance: 49.18 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 10:13 PM -
Brachionus leydigii (Monogononta: Ploima) reported from the western basin of Lake Erie. This dataset is not publicly accessible because: 1 specimen was reported; images available in the...
Search relevance: 49.03 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 06:56 PM -
The dataset includes Escherichia coli concentrations collected by Isleta Pueblo in the Middle Rio Grande in Albuquerque, NM, from 2017 to 2020. These data were pulled from National Water Quality...
Search relevance: 47.10 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 10:46 PM -
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) models. SKT tests use...
Search relevance: 46.58 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 10:12 PM -
This dataset is a compilation of data obtained from the Idaho Department of Water Quality, the Idaho Department of Water Resources, and the Water Quality Portal. The 'MonitoringLocation' table...
Search relevance: 46.13 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 10:18 PM -
The dataset includes Sentinel-2 spectral data for all bands spatiotemporally matched with available chlorophyll a concentration data from several data sources including the Water Quality Portal.
Search relevance: 45.72 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 07:00 PM -
This dataset is a compilation of data obtained from the Idaho Department of Water Quality, the Idaho Department of Water Resources, and the Water Quality Portal. The 'Samples' table stores...
Search relevance: 45.72 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 09:21 PM -
Groundwater is an important source of drinking and irrigation water throughout Idaho, and groundwater quality is monitored by various Federal, State, and local agencies. The historical,...
Search relevance: 44.79 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 07:45 PM -
This data set contains U.S. Geological Survey (USGS) streamgage matching results in tabular format for water-quality sites retrieved from the Water Quality Portal for the Delaware River Basin. The...
Search relevance: 44.64 | Views last month: 0 | Catalog Last Checked: September 10, 2026 at 08:54 PM -
The surface water water-quality data were compiled from Water Quality Portal (https://www.waterqualitydata.us/) (National Water Quality Monitoring Council, 2015), USGS’s NAWQA Project’s data...
Search relevance: 44.38 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 08:01 PM -
The surface water water-quality data were compiled from Water Quality Portal (https://www.waterqualitydata.us/) (National Water Quality Monitoring Council, 2015), USGS’s NAWQA Project’s data...
Search relevance: 44.28 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 08:54 PM -
The groundwater, surface water, and lake water-quality data were compiled from Water Quality Portal (https://www.waterqualitydata.us/) (National Water Quality Monitoring Council, 2015), USGS’s...
Search relevance: 44.28 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 09:23 PM
