scholarly journals Rural and Urban Differences in Air Quality, 2008–2012, and Community Drinking Water Quality, 2010–2015 — United States

2017 ◽  
Vol 66 (13) ◽  
pp. 1-10 ◽  
Author(s):  
Heather Strosnider ◽  
Caitlin Kennedy ◽  
Michele Monti ◽  
Fuyuen Yip
Author(s):  
Cristina Marcillo ◽  
Leigh-Anne Krometis ◽  
Justin Krometis

Although the United States Safe Drinking Water Act (SDWA) theoretically ensures drinking water quality, recent studies have questioned the reliability and equity associated with community water system (CWS) service. This study aimed to identify SDWA violation differences (i.e., monitoring and reporting (MR) and health-based (HB)) between Virginia CWSs given associated service demographics, rurality, and system characteristics. A novel geospatial methodology delineated CWS service areas at the zip code scale to connect 2000 US Census demographics with 2006–2016 SDWA violations, with significant associations determined via negative binomial regression. The proportion of Black Americans within a service area was positively associated with the likelihood of HB violations. This effort supports the need for further investigation of racial and socioeconomic disparities in access to safe drinking water within the United States in particular and offers a geospatial strategy to explore demographics in other settings where data on infrastructure extents are limited. Further interdisciplinary efforts at multiple scales are necessary to identify the entwined causes for differential risks in adverse drinking water quality exposures and would be substantially strengthened by the mapping of official CWS service boundaries.


1988 ◽  
Vol 20 (11-12) ◽  
pp. 101-107 ◽  
Author(s):  
Donald J. Reasoner

The passage of the Safe Drinking Water Act (SDWA) in 1974 (Public Law 93-523) significantly influenced microbiological, chemical and engineering research on drinking water quality in the United States. Microbiological quality research during the past 10 years encompassed the two basic areas of treatment and distribution. Much of the treatment research focused on generation of data to support the evaluation of turbidity and coliform maximum contaminant levels (MCLs) for the Interim Primary Drinking Water Standards. Major effort was also directed toward disinfection research on enteric viruses, pathogenic bacteria and the protozoan pathogen, Giardialamblia. Basic distribution system studies examined the occurrence of heterotrophic bacterial numbers and types in treated and untreated distribution waters, and coliform occurrence and colonization problems. Methodology developments bridged both treatment and distribution, and included enteric virus detection methods, injured ooliform recovery, heterotrophic bacteria enumeration, and Giardia cyst detection. Knowledge gained from the research efforts of the past deoade has resulted in new challenges and opportunities to improve drinking water quality.


2019 ◽  
Vol 5 (1) ◽  
pp. 37-47
Author(s):  
Tanuja Barua ◽  
Sujit Kumar Roy ◽  
Mehedi Hasan Munna

The study was executed in Noakhali sadar (urban) and Subarnachar upazil (rural) to determine the drinking water quality and sanitation facilities. The baseline data was collected based on questionnaire survey. And the physicochemical and ionic constituents of drinking water were determined by analyzing water samples. The result showed that in rural areas about 87.5% families utilized tube-well water and the rest used polluted pond water, while in the urban areas, 91% families utilized supplied water by paying monthly. The sanitation situation in the rural area was not at satisfactory level. The mean values of several critical parameters from the two areas (rural and urban) were found to be the following. pH values were 7.10 and 7.63, respectively. Electric conductivity was found to be 530.17 and 768.76 μS/cm, respectively. Salinity value was 0.23 and 0.35 ppt, respectively. Total dissolved solid (TDS) was found to be 264.91 and 372.82 ppm, respectively. Elemental composition of the sampled water from the two areas were also obtained. Mean values of the amount of dissolved oxygen (DO) from the two areas were found to be 7.24 and 7.52 mg/l, respectively. Among the other elements, amount of phosphorus was 0.55 and 0.46 ppm, potassium was 43.82 and 35.82 mg/l, sulfate was 10.03 and 1.00 mg/l, chloride was 42.15 and 149.95 mg/l, and iron was 5.57 and 1.30 mg/l, respectively. It is clear that the drinking water quality for both areas was not good for direct consumption. The situation in the rural areas is worse than that in the urban areas. Asian J. Med. Biol. Res. March 2019, 5(1): 37-47


Author(s):  
Lixia He Lambert ◽  
Bir Courtney

Abstract United States Environmental Protection Agency (USEPA) drinking water violation report is currently one of the most reliable measures of evaluating United States drinking water quality. While states continuously strive to comply with federal water quality standards making this documentation continuously relevant, consumers are likely to perceive water quality through sensory aesthetics or physical and virtual social networks. This research quantifies the relationship between consumer perceptions and government-reported drinking water quality to provide insights to state water managers and policymakers. We evaluated consumer perceptions of tap water using weekly social media data. The online search returned 898,709 mentions and 799,035 posts. Net sentiment, measured as the number of negative posts minus the number of positive posts divided by the number of posts expressing sentiment, was determined and ranged from −100 to 100. Net sentiment was uncorrelated with USEPA weekly water quality violations for most states. Net sentiment was correlated with violations related to arsenic standards (−0.223) and a total number of violations (−0.220) for Washington. For California, net sentiment was correlated with violations related to disinfectants and other organic compounds (−0.295). In many cases, water violations in one city became national news, which eclipsed local water issues circulating on social media.


2016 ◽  
Vol 15 (2) ◽  
pp. 435-442 ◽  
Author(s):  
Wendong Wang ◽  
Shan Song ◽  
Zixia Qiao ◽  
Qin Yang ◽  
Mengmeng Wang ◽  
...  

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