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.
The DNA in a single cup of water can track wildlife, monitor pollution and survey pathogens in waterways and their surroundings, all at the same time.
Ecology
Jul 7, 2026
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9
The summers of 2021 and 2022 were tough seasons for Colorado's Blue Mesa Reservoir. A severe drought gripped much of the western U.S., prompting emergency water releases that brought the reservoir to its lowest level since ...
Environment
Jul 6, 2026
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7
For more than a decade, residents of Austin's Colony, a neighborhood in an unincorporated area of southeast Austin outside the city service area, have voiced concern about their tap water's intermittent discoloration and ...
Environment
Jul 2, 2026
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11
Florida International University scientists have, for the first time, detected a toxic tire-derived chemical in Florida waterways and developed a new testing method that makes it easier to find and monitor the pollutant at ...
Environment
Jun 24, 2026
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7
AIMS scientists are quantifying the amount of groundwater flowing from the land to the Ningaloo Reef in Western Australia to help understand the viability of blue carbon storage solutions to reduce the impacts of climate ...
Environment
Jun 18, 2026
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26
Rainfall history is just as critical to predicting air pollution as where the air came from, a team led by University of Michigan Engineering researchers, in collaboration with scientists at the Appalachian Mountain Club ...
Earth Sciences
Jun 17, 2026
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33
Environmental DNA (eDNA) metabarcoding has emerged as a powerful tool for monitoring aquatic biodiversity, enabling researchers to identify fish species from traces of DNA found in water without using invasive techniques ...
Plants & Animals
Jun 9, 2026
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9
Microplastics (MPs), defined as plastic fragments smaller than 5 mm, have become so pervasive that they are detectable in nearly every environment studied—from remote ocean trenches to urban air, tap water, and human blood. ...
Environment
Jun 8, 2026
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8
Hannah Ray J Childs propelled her kayak into a rapid on Iowa's Maquoketa River on a recent afternoon and dipped her paddle in the water to swing the front of her boat into the air.
Environment
Jun 4, 2026
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11
Depression, anxiety and sleep disorders are among the conditions often treated with antidepressant drugs. Yet, up to 90% of these drugs pass through the body into wastewater. They're also difficult to remove during water ...
Environment
Jun 3, 2026
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12
