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61,005 resultsShowing papers similar to Predicted aquatic exposure effects from a national urban stormwater study
ClearContaminants in Urban Stormwater: Barcelona case study
Researchers analyzed contaminants in urban stormwater runoff in Barcelona, examining dissolved organics, metals, nutrients, and microplastics to assess risks to environmental and public health as cities consider stormwater as a potential groundwater recharge source.
Urban stormwater capture for water supply: look out for persistent, mobile and toxic substances
Urban stormwater harvested for water supply was found to contain persistent, mobile, and toxic substances, raising concerns about water quality risks from this increasingly used alternative water source. The study calls for better characterization of stormwater contaminant profiles before use.
Modeling the spatiotemporal distribution, bioaccumulation, and ecological risk assessment of microplastics in aquatic ecosystems: A review
Researchers modeled the spatiotemporal distribution and ecological risk of microplastics across a coastal marine environment, incorporating hydrodynamic data and bioaccumulation factors for multiple species. The model predicted highest microplastic concentrations near urban outflows with risk extending through the food web.
Emission and fate modelling framework for engineered nanoparticles in urban aquatic systems at high spatial and temporal resolution
Researchers developed a combined emission and fate modelling framework to improve exposure assessment of engineered nanoparticles in complex urban aquatic systems at high spatial and temporal resolution.
Hydrophilic trace organic contaminants in urban stormwater: occurrence, toxicological relevance, and the need to enhance green stormwater infrastructure
Urban stormwater was found to carry a range of hydrophilic trace organic contaminants including pharmaceuticals and pesticides at concentrations with potential toxicological relevance, and current green stormwater infrastructure may not adequately remove them. The findings highlight a need for enhanced stormwater treatment to protect receiving water bodies.
Occurrence of specific pollutants in a mixture of sewage and rainwater from an urbanized area
Researchers characterized specific pollutants in combined sewage and rainwater from an urban mixed drainage system, identifying microplastics, pharmaceuticals, and other contaminants and assessing their concentrations relative to environmental quality standards.
Estimated discharge of microplastics via urban stormwater during individual rain events
Researchers collected stormwater samples from 15 locations during rain events to assess microplastic discharge through urban runoff. The study found highly variable microplastic concentrations influenced by catchment characteristics, and provided estimates of the quantity of microplastics released to receiving waters during rain events, highlighting urban stormwater as an important pathway for microplastic pollution.
Advances in aquatic toxicology for predicting effects of multiple pollutants on aquatic organisms
This review examines advances in aquatic toxicology for predicting how mixtures of contaminants — heavy metals, pesticides, pharmaceuticals, and microplastics — interact in aquatic organisms, highlighting computational modeling and mixture toxicity approaches as key tools for environmental risk assessment.
An alternative approach to risk rank chemicals on the threat they pose to the aquatic environment
This paper proposed an alternative approach for ranking chemicals by the threat they pose to aquatic ecosystems, integrating exposure and hazard data in a more ecologically meaningful way than standard risk quotient methods.
Storm events as key moments of microplastic contamination in aquatic ecosystems
Researchers monitored microplastic concentrations in waterways before, during, and after storm events and found that storm-driven runoff caused major spikes in microplastic abundance, identifying storm events as key transport moments that standard monitoring programs typically miss.
Analysis of Micropollutants in Urban Water Run-off
This study investigates the quality of urban stormwater runoff, focusing on concentrations of micropollutants including heavy metals and microplastics. The research evaluates how runoff from urban surfaces contaminates both groundwater and surface water, and assesses current stormwater management strategies in cities.
Change in microplastic concentration during various temporal events downstream of a combined sewage overflow and in an urban stormwater creek
Researchers examined how microplastic concentrations in urban waterways changed during rain events, snowmelt, and combined sewage overflow episodes, finding that stormwater runoff and sewer overflows substantially increase microplastic loads, with event type and intensity influencing concentration patterns.
The role of precipitation events in the water quality of a buffer urban ecosystem
Researchers quantified how precipitation events affect water quality in an urban drainage reservoir in Santa Fe, Argentina, finding that stormwater runoff substantially elevated concentrations of nutrients, heavy metals, microplastics, hydrocarbons, and coliform bacteria during and after rainfall events throughout an annual hydrological cycle.
Multi-contaminants in road runoff of a compact city: Characteristics, interactions, and ecological risks
Researchers characterised multi-contaminant pollution in road runoff from a compact city, examining the sources, transport mechanisms, interactions, and ecological risks of co-occurring contaminants including microplastics, heavy metals, and other pollutants. The study found that microplastics in road runoff interact with co-contaminants in ways that amplify ecological risk, with urban density and road surface type influencing contaminant profiles.
Assessment of ecological risk for ecosystems caused by dredged materials in freshwater environments
Researchers assessed ecological risks posed by chemical contaminants in dredged freshwater sediments, evaluating metals, organic pollutants, and emerging contaminants including microplastics across multiple risk metrics to inform safe disposal and management decisions.
Determining the Effect of Discharge of the Coastal Wastewater Treatment Plants on the Toxicity of Surface Waters: A Case Study in İstanbul
Researchers evaluated the toxicity of coastal surface waters affected by wastewater treatment plant discharges in Istanbul, assessing how xenobiotic compounds from domestic and industrial sources interact to produce synergistic or antagonistic toxic effects on aquatic ecosystems.
Aquatic ecosystem indices, linking ecosystem health to human health risks
Researchers reviewed indicators used to assess aquatic ecosystem health and found that most existing tools don't adequately capture the risks that degraded water ecosystems pose to human health and well-being. They propose a new set of combined indicators — covering chemical contaminants, pathogens, and biological markers — to better link ecosystem health monitoring to human health outcomes.
Toxicological implications of emerging pollutants on aquatic organisms
Researchers reviewed how a broad range of emerging pollutants — including microplastics, pharmaceuticals, pesticides, and heavy metals — harm aquatic organisms like fish, amphibians, and molluscs. Evidence shows these pollutants trigger oxidative stress, disrupt hormones, impair reproduction, and reduce biodiversity, with the review calling for stronger regulations, better wastewater treatment, and more research on the combined effects of multiple pollutants.
Stormwater runoff microplastics: Polymer types, particle size, and factors controlling loading rates
Researchers characterized microplastics in stormwater runoff samples collected at urban outfall locations. The study identified 17 different polymer types across various storm events, with concentrations around 0.99 particles per liter for the 500-1000 micrometer size range, and found that rainfall intensity and land use were key factors controlling microplastic loading rates.
Integrative Evaluation of the Ecological Hazards by Microplastics and Heavy Metals in Wetland Ecosystem
Researchers conducted an integrative ecological hazard assessment of microplastics combined with heavy metals, evaluating their combined toxicity to aquatic organisms. The study found that co-contamination with heavy metals and microplastics poses greater ecological risk than either pollutant alone.
Chemical Mixtures and Multiple Stressors: Same but Different?
This review highlights the parallels between chemical mixture research and multiple stressor ecology, arguing that both fields face similar challenges in predicting joint effects and would benefit from integrated frameworks combining chemical and non-chemical stressor assessments.
Environmental Behaviors, Ecological Risks, and Toxic Mechanisms of Emerging and Legacy Contaminants in China: From Distribution to Management
Researchers reviewed the environmental distribution, ecological risks, and toxic mechanisms of both emerging and legacy contaminants in China's aquatic environments, examining how industrialization and urbanization drive the co-occurrence and combined pollution that threatens ecosystem integrity and human health.
Microplastics in urban stormwater sediments and runoff: An essential component in the microplastic cycle
This review systematically analyzed microplastic contamination in urban stormwater runoff and sediments, finding concentrations that varied enormously across global studies. Researchers found that stormwater is a major but underappreciated pathway for delivering microplastics to rivers, lakes, and oceans. The study highlights that better stormwater management practices are needed to reduce this significant source of aquatic microplastic pollution.