Assessment of natural organic matter in Quabbin Reservoir

Garvey, Elisa; Tobiason, John E.

doi:10.2166/aqua.2003.0003

Cited by 4 publications

(2 citation statements)

References 12 publications

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“…Previous studies that have examined fluxes of DOC and DBP precursors in reservoirs and lakes have also found that reservoirs can act as either a source (Palmstrom et al 1988, Karimi and Singer 1991, Stepczuck et al 1998b or sink (Nguyen et al 2002, Garvey and Tobiason 2003, Bukavekas et al 2007). The time frame over which a study is conducted greatly impacts findings due to both seasonal and hydrologic controls on DOM budgets.…”

Section: Reservoir Dom Production Versus Consumptionmentioning

confidence: 96%

How reservoirs alter drinking water quality: Organic matter sources, sinks, and transformations

Kraus

Bergamaschi

Hernes

et al. 2011

Lake and Reservoir Management

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Section: Reservoir Dom Production Versus Consumptionmentioning

confidence: 96%

How reservoirs alter drinking water quality: Organic matter sources, sinks, and transformations

Kraus

Bergamaschi

Hernes

et al. 2011

Lake and Reservoir Management

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“…While a major inflow should contribute only allochthonous NOM it is possible that the influx of fresh water into the creek displaced an amount of stagnant water into the reservoir which contained significant autochthonous NOM. It is generally accepted that smaller water bodies are dominated by allochthonous inputs from surface runoff, but larger systems with longer turnover times have greater biological activity and are therefore more affected by autochthonous inputs (Garvey and Tobiason 2003).…”

Section: Myponga Reservoirmentioning

confidence: 99%

Reservoir Inflow Monitoring for Improved Management of Treated Water Quality—A South Australian Experience

Hobson

Fabris

Develter³

et al. 2010

Water Resour Manage

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Large tributary inflows into water supply reservoirs caused by heavy catchment rain may be of concern due to problems associated with high levels of natural organic matter (NOM) present in the inflows. The movement of these inflows within a reservoir is dependent on its relative density to the receiving waters. For example, if the inflow is denser (colder) than the recipient water it will travel along the base of the reservoir as an underflow and can penetrate as far as the dam wall water off-take to a water treatment plant (WTP). Field studies were conducted to track the passage of underflows through two South Australian reservoirs, Little Para and Myponga. Samples were collected before and during storm event inflows and analyses undertaken to determine NOM concentration, alum demand, disinfection by-product formation potential, and quality of the water. We demonstrate that by monitoring the movement of inflows into reservoirs, combined with changes in reservoir off-take levels, that the risk of NOM entering a water treatment plant can be reduced which in turn will lower water treatment costs by reducing alum dosing levels and lessen the risk to human health by reducing disinfection by-product formation.

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The presence of aliphatic and aromatic amines in reservoir and canal water as precursors to disinfection by-products

Phatthalung

Musikavong

Suttinun

2016

Journal of Environmental Science and Health, Part A

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This research aimed at determining the dimethylamine (DMA), diethylamine (DEA), dibutylamine (DBA), and aromatic aniline (AN) in reservoir and canal water in the U-Tapao River Basin, Songkhla, Thailand. The trihalomethane formation potential (THMFP) and N-nitrosodimethylamine formation potential (NDMA-FP) of the reservoir and canal water were analyzed. Water samples from two reservoirs and raw water from water treatment plants at upstream, midstream, and downstream locations of the canal were collected twice. The analysis of the DMA, DEA, DBA, and AN were conducted using gas chromatography and spectrofluorometry techniques. The DMA, DEA, and DBA levels in the reservoir and canal waters ranged from not detectable (ND) to 10 µg/L and from ND to 21.2 µg/L, respectively. AN was detected from 123 to 129 ng/L and from 112 to 177 ng/L in the reservoir and canal waters, respectively. The DMA, DEA, DBA, and AN exhibited two fluorescent peaks at 230nmEx/345nmEm and 280 nmEx/355nmEm. These two peaks corresponded to the peak positions of tryptophan. Detection limits of DMA, DEA, and DBA for fluorescent analysis were 500 μg/L whereas that of AN and tryptophan were 10 and 0.5 μg/L, respectively. The NDMA-FP measured in all the water samples was lower than the detection limit of 237 ng/L. THMFP ranged from 175 to 248 μg/L and 214 to 429 μg/L was detected in the reservoir and canal waters, respectively. The THMFP/dissolved organic carbon (DOC) of the reservoir and canal waters were comparable within the ranges of 73 to 131 µg THMFP/mg DOC.

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Assessment of natural organic matter in Quabbin Reservoir

Cited by 4 publications

References 12 publications

How reservoirs alter drinking water quality: Organic matter sources, sinks, and transformations

How reservoirs alter drinking water quality: Organic matter sources, sinks, and transformations

Reservoir Inflow Monitoring for Improved Management of Treated Water Quality—A South Australian Experience

The presence of aliphatic and aromatic amines in reservoir and canal water as precursors to disinfection by-products

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