MOUNT PLEASANT, SC (August 2, 2017) - Following our release on Friday, we received requests for more detailed information relative to the test results presented by a resident of Dunes West and Mount Pleasant Waterworks (MPW) and to better clarify MPW’s use of the term “invalid” in reference to GenX results reported by GEL Laboratories, LLC (GEL). We also met with GEL to discuss the data.
As previously mentioned, a resident in Dunes West (through social media) along with the local news media reported that GEL’s test results indicated detection of GenX. The GenX result reported by GEL was noted on their report as an estimated value, meaning that the data is below a value in which the instrument can precisely measure. Although reporting this value is standard practice for GEL, it is not a typical practice for MPW and most water utilities and therefore led to our use of the term “invalid” in the previous press release.
GEL properly fulfilled the request of their client and provided a very detailed and accurate analysis consistent with their protocols. In future reports to homeowners, GEL intends to highlight detected compound concentrations in bold font to help further clarify the data.
As it relates to MPW’s test results, GenX was reported as a non-detect, other PFCs were detected in miniscule concentrations. The EPA’s current health advisory for the total PFOA and/or PFOS is 70 parts per trillion (ppt). MPW’s total results were well below at 10 ppt. Detection in water quality samples does not automatically equate to risk and the interpretation of the data needs to be professionally assessed.
PFCs have been discussed on both the state and national levels. MPW is in the process of arranging a task force that will include representatives from state universities, regulators, and other water professionals. This task force will focus on better understanding and preparing for emerging compounds. MPW will look to this group to determine the need and frequency of testing beyond the current regulatory requirements. In addition, this group will also work to address historic taste and odor concerns. As leaders in the water industry, we feel compelled to proactively prepare for detection and reporting of any compounds of concern.
Details of all testing results can be found at the following link:https://www.mountpleasantwaterworks.com/article/298
Moving forward, MPW will continue to focus on providing clean safe drinking water to all customers. We would encourage customers to work alongside the water professionals to discuss and understand any concerns they may have regarding drinking water. We are here to work with you and for you.