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A petition for a Public Health Assessment on the Oak Harbor Golf Club was submitted by a nearby resident to the Agency for Toxic Substances and Disease Registry (ATSDR) in February 1998. Until the need for a Public Health Assessment could be fully evaluated by ATSDR, the Louisiana Department of Health & Hospitals/Office of Public Health (OPH) agreed to sample the petitioner's drinking water source and summarize past environmental sampling related to the Oak Harbor petition request.

OPH's involvement with the petitioner extends back to 1992, when pesticide-related health complaints were filed. The past soil and water sample results were summarized and sent to ATSDR in May of 1998. Some of the past water samples from the petitioner's well showed the presence of some contamination (a herbicide and low levels of bacteria). The most recent water test was completed in 1993.

Because the petitioner was still concerned about groundwater contamination and no testing had been conducted in the last 5 years, OPH ran a standard drinking water analysis on the well water. The screening depth for the well is not known. There was no wellhead protection visible; only a pipe protruding from the ground. The well is not currently used for drinking water, but it is used for other domestic purposes, such as washing and bathing.

The well water was analyzed for inorganic (metal) compounds, polycyclic aromatic hydrocarbons, volatile organic compounds, pesticides, bacteria, and other parameters. All the results were within the primary drinking water standards as set by the Environmental Protection Agency (EPA). However, the herbicide, Bromacil, which was detected in the well water back in 1993, was not one of the current analytes.

Some of the secondary standards for drinking water, which are not designed to protect public health, were exceeded. The secondary standards provide guidance to improve the aesthetic quality of drinking water, such as the taste, color, and odor. The color of the water and the level of iron and manganese were above the secondary standards.

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