Lagrangian sampling of wastewater treatment plant effluent in Boulder Creek, Colorado, and Fourmile Creek, Iowa, during the summer of 2003 and spring of 2005— Hydrological and water-quality data

Barber, Larry B.; Keefe, Steffanie H.; Kolpin, Dana W.; Schnoebelen, Douglas J.; Flynn, Jennifer L.; Brown, Gregory K.; Furlong, Edward T.; Glassmeyer, Susan T.; Gray, James L.; Meyer, Michael T.; Sandstrom, Mark W.; Taylor, Howard E.; Zaugg, Steven D.

doi:10.3133/ofr20111054

Cited by 12 publications

(21 citation statements)

References 6 publications

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“…A minimum of five cross-sectional samples were collected as the parcel of water passed by the sampling point and composited in a 19-L glass carboy before splitting into subsamples for individual chemical analysis using a Teflon churn and cone splitter. Details on sample collection procedures and analytical methods (seven organic and two inorganic) used in this study are summarized in the Supporting Information (SI) and elsewhere …”

Section: Methodsmentioning

confidence: 99%

Persistence and Potential Effects of Complex Organic Contaminant Mixtures in Wastewater-Impacted Streams

Barber

Keefe

Brown

et al. 2013

Environ. Sci. Technol.

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107

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Natural and synthetic organic contaminants in municipal wastewater treatment plant (WWTP) effluents can cause ecosystem impacts, raising concerns about their persistence in receiving streams. In this study, Lagrangian sampling, in which the same approximate parcel of water is tracked as it moves downstream, was conducted at Boulder Creek, Colorado and Fourmile Creek, Iowa to determine in-stream transport and attenuation of organic contaminants discharged from two secondary WWTPs. Similar stream reaches were evaluated, and samples were collected at multiple sites during summer and spring hydrologic conditions. Travel times to the most downstream (7.4 km) site in Boulder Creek were 6.2 h during the summer and 9.3 h during the spring, and to the Fourmile Creek 8.4 km downstream site times were 18 and 8.8 h, respectively. Discharge was measured at each site, and integrated composite samples were collected and analyzed for >200 organic contaminants including metal complexing agents, nonionic surfactant degradates, personal care products, pharmaceuticals, steroidal hormones, and pesticides. The highest concentration (>100 μg L(-1)) compounds detected in both WWTP effluents were ethylenediaminetetraacetic acid and 4-nonylphenolethoxycarboxylate oligomers, both of which persisted for at least 7 km downstream from the WWTPs. Concentrations of pharmaceuticals were lower (<1 μg L(-1)), and several compounds, including carbamazepine and sulfamethoxazole, were detected throughout the study reaches. After accounting for in-stream dilution, a complex mixture of contaminants showed little attenuation and was persistent in the receiving streams at concentrations with potential ecosystem implications.

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Section: Methodsmentioning

confidence: 99%

Persistence and Potential Effects of Complex Organic Contaminant Mixtures in Wastewater-Impacted Streams

Barber

Keefe

Brown

et al. 2013

Environ. Sci. Technol.

Self Cite

107

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“…1) were described in detail previously (Barber et al, 2013;Barber et al, 2011;. In brief, the study reach extended from approximately 80 m upstream to approximately 20 m downstream of the Ankeny WWTF outfall .…”

Section: Site Descriptionmentioning

confidence: 99%

Pre/post-closure assessment of groundwater pharmaceutical fate in a wastewater-facility-impacted stream reach

Bradley

Barber

Clark

et al. 2016

Science of The Total Environment

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“…Samples were collected in a Lagrangian approach, in which the same approximate parcel of water was tracked as it moved downstream, as was conducted previously in this study reach. [25][26][27] All samples were collected at the centroid of flow.…”

Section: In-stream Transport: Fourmile Creek Iowamentioning

confidence: 99%

First national-scale reconnaissance of neonicotinoid insecticides in streams across the USA

2016

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Environmental context Neonicotinoids are under increased scrutiny because they have been implicated in pollinator declines and, more recently, as potential aquatic toxicants. Nevertheless, there is currently little information on concentrations of multiple neonicotinoids in surface water. This paper presents a summary of concentrations of six neonicotinoids in streams from across the United States in both urban and agricultural areas. These environmental data are important in determining the potential risk of neonicotinoids to non-target aquatic and terrestrial organisms. Abstract To better understand the fate and transport of neonicotinoid insecticides, water samples were collected from streams across the United States. In a nationwide study, at least one neonicotinoid was detected in 53% of the samples collected, with imidacloprid detected most frequently (37%), followed by clothianidin (24%), thiamethoxam (21%), dinotefuran (13%), acetamiprid (3%) and thiacloprid (0%). Clothianidin and thiamethoxam concentrations were positively related to the percentage of the land use in cultivated crop production and imidacloprid concentrations were positively related to the percentage of urban area within the basin. Additional sampling was also conducted in targeted research areas to complement these national-scale results, including determining: (1) neonicotinoid concentrations during elevated flow conditions in an intensely agricultural region; (2) temporal patterns of neonicotinoids in heavily urbanised basins; (3) neonicotinoid concentrations in agricultural basins in a nationally important ecosystem; and (4) in-stream transport of neonicotinoids near a wastewater treatment plant. Across all study areas, at least one neonicotinoid was detected in 63% of the 48 streams sampled.

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Lagrangian sampling of wastewater treatment plant effluent in Boulder Creek, Colorado, and Fourmile Creek, Iowa, during the summer of 2003 and spring of 2005— Hydrological and water-quality data

Cited by 12 publications

References 6 publications

Persistence and Potential Effects of Complex Organic Contaminant Mixtures in Wastewater-Impacted Streams

Persistence and Potential Effects of Complex Organic Contaminant Mixtures in Wastewater-Impacted Streams

Pre/post-closure assessment of groundwater pharmaceutical fate in a wastewater-facility-impacted stream reach

First national-scale reconnaissance of neonicotinoid insecticides in streams across the USA

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