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Field blank and field replicate datasets for inorganic and organic compounds ...
The U.S. Geological Survey (USGS) National Water Quality Network - Rivers and Streams (NWQN) comprises 117 surface-water monitoring sites designed to track ambient water-quality... -
Pesticide and transformation product concentrations and risk quotients in U.S...
This dataset includes a subset of previously released pesticide data (Morace and others, 2020) from the U.S. Geological Survey (USGS) National Water Quality Assessment Program... -
Groundwater-quality data in the Modesto-Turlock-Merced Domestic-Supply Aquife...
The U.S. Geological Survey collected groundwater samples from 71 wells used for domestic and small system drinking water supplies in Stanislaus and Merced counties of California... -
Concentrations of inorganic, organic, and microbial analytes from a national ...
This dataset contains results for treated wastewater samples collected at food processing facilities across the United States to characterize the potential contaminant profile... -
Concentrations of inorganic, organic, and microbial analytes from a national ...
This dataset contains results for treated wastewater samples collected at food processing facilities across the United States to characterize the potential contaminant profile... -
Pesticide concentration and streamflow datasets used to evaluate pesticide tr...
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) project of... -
Adult aquatic insect emergence, insect pesticide concentrations and water che...
This data release includes sampling location data, field-collected wetland attribute data, field-collected water chemistry data, laboratory-processed water chemistry data... -
Water-quality results from a wastewater reuse study: Inorganic and organic co...
Oklahoma State University South-Central Research Station (SCRS) was used to conduct research to understand the chemical composition of various water types and their potential... -
Bifenthrin Concentration, Percent Organic Matter, and Toxic Units, for Stream...
Direct and indirect ecological effects of the widely used insecticide bifenthrin on stream ecosystems are largely unknown. To investigate such effects, a manipulative experiment... -
National Status and Trends: Bioeffects Program - Kachemak Bay Database
This study was based on the sediment quality triad (SQT) approach. A stratified probabilistic sampling design was utilized to characterize the Kachemak Bay system in terms of... -
Chlorophyll-a Data From Mesocosms Exposed to Bifenthrin
Direct and indirect ecological effects of the widely used insecticide bifenthrin on stream ecosystems are largely unknown. To investigate such effects, a manipulative experiment... -
A Multiresidue Method for the Analysis of Pesticides in Water using Solid-Pha...
Application of pesticides in agricultural and urban settings plays an essential role in increasing crop yields, preserving food and materials, reducing pest-borne diseases, and... -
Organochlorine residues and elemental contaminants in U.S. freshwater fish, 1...
The National Contaminant Biomonitoring Program (NCBP), which was developed and maintained by the U.S. Fish and Wildlife Service (FWS), monitored concentrations of environmental... -
Adult aquatic insect emergence, insect pesticide concentrations and water che...
This data release includes sampling location data, field-collected wetland attribute data, field-collected water chemistry data, laboratory-processed water chemistry data... -
Datasets for the report entitled: "A Method for Addressing Differences in Con...
This report provides data input and computation results for a method developed by Crawford and Martin (2017) to address differences in concentrations of fipronil and three... -
Field, laboratory, and third-party data for assessment of the quality of pest...
This data release includes tables and plots of results for pesticide compounds (pesticides and degradates) analyzed in groundwater samples collected by the USGS National Water-... -
National Status and Trends: Bioeffects Assessment Program, Delaware Bay Summa...
This study was based on the sediment quality triad (SQT) approach. A stratified probabilistic sampling design was utilized to characterize the Delaware Bay system in terms of... -
National Status and Trends: Bioeffects Program: Magnitude and Extent of Sedim...
Surficial sediment samples were collected from 162 locations within five estuaries - Charleston Harbor, Winyah Bay, Leadenwah Creek, Savannah River, and St. Simons Sound - in... -
Organic and inorganic constituents in surface water and native and non-native...
The data presented include concentrations of 122 organic, 23 inorganic constituents, and estrogenicity in water collected from 13 off-stream non-point source sites (natural and... -
Pesticide datasets from the National Water Quality Laboratory, 2001-2016
This data release includes all pesticide results from selected batches of water samples analyzed by the U.S Geological Survey National Water Quality Laboratory (NWQL). Samples...