Marybeth Leongini
Marybeth Leongini
Stanley States
Stanley States
Epidemics and pandemics are natural disasters that water utilities must prepare for and respond to. There are mitigation measures that utilities can employ during an epidemic or pandemic to reduce the impact of these disasters on their oper...
Chelo Picardal,Brian Pugliese,Sokwoo Rhee et al.
Chelo Picardal et al.
Key Takeaways In Washington, the City of Bellevue wanted to break away from the inefficiency of siloed operations and create a unified, data-based, smart-city strategy across all city departments. The Bellevue Smart Team tested a water modu...
Liesel M Gross
Liesel M Gross
Water Utility Communications Can Build Trust During the COVID-19 Pandemic [0.03%]
在COVID-19疫情期间，水 utility 的交流可以建立信任
Kimberly J Retzlaff
Kimberly J Retzlaff
In April 2020, AWWA hosted a webinar on how utilities can be a trusted source of information during the COVID-19 pandemic. Following a communications plan and using a spokesperson, water utilities should focus on simple messages that use ba...
Arsenic/Iron Removal From Groundwater With Elevated Ammonia and Natural Organic Matter [0.03%]
高氨氮和天然有机物地下水除砷/铁研究
Abraham S C Chen,Lili Wang,Darren A Lytle et al.
Abraham S C Chen et al.
Under the US Environmental Protection Agency's Arsenic Demonstration Program, an iron (Fe) removal process consisting of permanganate oxidation and greensand filtration was shown to be effective in removing soluble arsenic (As(III)) (24.1 ...
Scale Formation Under Blended Phosphate Treatment for a Utility With Lead Pipes [0.03%]
铅管公用设施在混合磷酸盐处理下的结垢情况研究
Lauren W Wasserstrom,Stephanie A Miller,Simoni Triantafyllidou et al.
Lauren W Wasserstrom et al.
US corrosion control practice often assumes that the orthophosphate component of blended phosphate corrosion inhibitors causes the formation of low-solubility lead-orthophosphate solids that control lead release into drinking water. This st...
Design and Testing of USEPA'S Flint Pipe Rig for Corrosion Control Evaluation [0.03%]
美国环保署弗林特管腐蚀控制评估试验装置的设计与测试
Daniel J Williams,Christopher J Parrett,Michael R Schock et al.
Daniel J Williams et al.
The US Environmental Protection Agency's Office of Research and Development designed, fabricated, and installed four pipe rigs in Flint, Mich., to help the city optimize corrosion control. The lead service line (LSL) pipe loops were constru...
Characterizing Ohio River NOM Variability and Reconstituted-Lyophilized NOM as a Source Surrogate [0.03%]
表征俄亥俄河NOM变化和作为来源替代物的重组-冷冻干燥NOM
Paul D Rossman,Dominic L Boccelli,Jonathan G Pressman
Paul D Rossman
Natural organic matter (NOM) was collected, concentrated, and lyophilized on a monthly basis for 15 months to create a temporal NOM library and assess seasonal variability of untreated Ohio River water. Using fluorescence spectroscopy with ...
Darren A Lytle,Michael R Schock,Jordan Leo et al.
Darren A Lytle et al.
The nature of copper phosphate minerals in drinking water distribution systems has remained largely unsolved despite being an important link to reducing cuprosolvency. Chemical equilibrium modeling has also largely failed to accurately pred...