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Water quality study shows need for testing at North Carolina migrant camps

Date:
September 13, 2012
Source:
Wake Forest Baptist Medical Center
Summary:
The drinking water at one-third of migrant farmworker camps in eastern North Carolina failed to meet state quality standards, according to a new study.

The drinking water at one-third of migrant farmworker camps in eastern North Carolina failed to meet state quality standards, according to a new study from Wake Forest Baptist Medical Center.

"Testing drinking water is vital to protect the public from serious diseases," said lead author Werner E. Bischoff, M.D., Ph.D., health system epidemiologist at Wake Forest Baptist. "Contaminated water puts the health of the workers who drink it at risk. It also puts the health of the surrounding community at risk because they may be drinking and bathing in water from the same sources."

The aim of the study was to assess water quality in North Carolina migrant farmworker camps and determine associations with camp housing characteristics based on N.C. Department of Labor standards. The study published online in August ahead of print in the American Journal of Public Health.

Researchers questioned two workers in each camp about housing. They used N.C. Department of Environment & Natural Resources guidelines to collect water samples in each camp. The water samples were tested in state-certified labs to check for total coliform bacteria and E. coli. The researchers looked at many factors for each camp that could affect water safety. These included housing conditions and distance from animal barns. They also examined whether each camp had a Certificate of Inspection from the N.C. Department of Labor, and whether the source of the camp's water was a "non-transient, non-community (NTNC) public water system."

Sixty-one of the 181 camps studied during the 2010 agricultural season failed to meet state water quality requirements. Located in 16 eastern counties, water in these camps failed the test for total coliform bacteria, meaning that the levels of bacteria in the water were high enough to cause health concerns. Two of the camps also had E. coli in the water. Coliform bacteria are indicators of contamination from human and animal waste and signal the presence of disease-causing germs in the water, said study principal investigator Thomas A. Arcury, Ph.D. Arcury is the director of the Center for Worker Health at Wake Forest Baptist which administered the study.

Safe drinking water in the camps can be achieved, he said, with stronger enforcement, more monitoring and changes to the regulations such as testing during occupancy. Arcury said that often when the water is tested before occupancy, no problems are revealed, but additional testing during occupancy would help address problems when they arise.

Water polluted by human or animal waste can cause serious health problems, including diarrhea, vomiting and dehydration, as well as hepatitis A, Legionnaires' disease and cholera, Bischoff said. "When a water system is polluted, large numbers of people can get sick."

Funding for the study was provided by the National Institute of Environmental Health Sciences (grant R01-ES012358).

Co-authors and contributors are: Sara A. Quandt, Ph.D., Haiying Chen, Ph.D., Maria Weir, M.A.A, M.P.H, and Phillip Summers, M.P.H., all of Wake Forest Baptist; and Amy K. Liebman, M.P.A., M.A., Migrant Clinicians Network, Salisbury, Md.


Story Source:

The above story is based on materials provided by Wake Forest Baptist Medical Center. Note: Materials may be edited for content and length.


Journal Reference:

  1. Werner E. Bischoff, Maria Weir, Phillip Summers, Haiying Chen, Sara A. Quandt, Amy K. Liebman, Thomas A. Arcury. The Quality of Drinking Water in North Carolina Farmworker Camps. American Journal of Public Health, 2012; 102 (10): e49 DOI: 10.2105/AJPH.2012.300738

Cite This Page:

Wake Forest Baptist Medical Center. "Water quality study shows need for testing at North Carolina migrant camps." ScienceDaily. ScienceDaily, 13 September 2012. <www.sciencedaily.com/releases/2012/09/120913203422.htm>.
Wake Forest Baptist Medical Center. (2012, September 13). Water quality study shows need for testing at North Carolina migrant camps. ScienceDaily. Retrieved October 2, 2014 from www.sciencedaily.com/releases/2012/09/120913203422.htm
Wake Forest Baptist Medical Center. "Water quality study shows need for testing at North Carolina migrant camps." ScienceDaily. www.sciencedaily.com/releases/2012/09/120913203422.htm (accessed October 2, 2014).

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