Water sampling is a methodological process for collecting representative portions of aqueous systems (e.g., surface water, groundwater, wastewater) for subsequent physicochemical, biological, or isotopic analysis. Method design incorporates sampling objectives, spatial and temporal resolution, and analyte stability, and may use grab, composite, depth-integrated, or automated sampling strategies. Protocols specify container materials, preservation (e.g., acidification, cooling, filtration), contamination control, and chain-of-custody procedures. Hydrodynamic conditions, stratification, and phase partitioning (dissolved, colloidal, particulate) are explicitly considered to avoid bias. Rigorous field documentation, decontamination, and quality assurance/quality control (QA/QC) safeguards ensure data comparability, traceability, and statistical validity for environmental monitoring and research.
Penguins living along the Patagonian coast of Argentina can serve as living monitors of their environment by using small, chemical-detecting leg bands, according to a study from the University of California, Davis, and the ...
Environment
13 hours ago
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Imagine a dump truck dropping 13 tons of dirt into the waters of Brush Creek, a waterway that feeds northwest Arkansas' primary drinking water source, Beaver Lake. That's how much soil and sediment researchers measured going ...
Environment
Apr 3, 2026
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26
Levels of toxic "forever chemicals" in New Jersey's public water systems dropped by as much as 55% after the state moved to limit the contaminants in drinking water, according to a Rutgers Health researcher who has analyzed ...
Environment
Mar 25, 2026
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In Science of The Total Environment, researchers demonstrate the broad distribution of particulate thiols in the western North Pacific and show that their main source is marine phytoplankton. The analysis indicates that differences ...
Earth Sciences
Mar 22, 2026
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Environmental DNA (eDNA) tests can identify genetic material left by organisms in the environment, such as cells and excrement, but surveys of ocean wildlife can be difficult and expensive, and standard eDNA tests are also ...
Ecology
Mar 9, 2026
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Scientists at Duke-NUS Medical School have found that viruses circulating in live poultry markets can be detected more effectively by sampling the surrounding environment than by testing individual birds. The study, published ...
Veterinary medicine
Mar 5, 2026
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For decades, scientists have relied on a chemical fingerprint inside water molecules to determine where plants get their moisture. The method shaped our understanding of drought resilience, groundwater use, and ecosystem ...
Earth Sciences
Mar 3, 2026
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21
Nearly a month after a wastewater pipe broke and spewed hundreds of millions of gallons of raw sewage into the Potomac River just north of Washington, D.C., the latest water testing results from the University of Maryland ...
Environment
Feb 22, 2026
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Data collected during a rowing challenge around the seas of Great Britain has found significantly higher concentrations of microplastic pollution than previously recorded, a new report finds. The team, which included University ...
Environment
Feb 22, 2026
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26
Hundreds, and possibly thousands, of juvenile Chinook salmon were found dead in the lower Yuba River after a large water pipe burst at the New Colgate Powerhouse on Friday, according to a local conservation group.
Environment
Feb 18, 2026
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