The Cape Fear Public Utility Authority recently released its annual water quality report as
well as supplemental voluntary testing, and our Water Nerds dug through it!
Make sure to comment below to suggest which municipality our Water Nerds should tackle
next.
This past year, we've been tracking Perfluorinated Compounds, like GenX, in North Carolina waterways.
GenX and other Perfluorinated Compounds are associated with firefighting foam, non-stick
cookware, Scotchguard and other heat resistant products.
This category of chemicals are "emerging contaminants" which means they are thought
to pose a potential threat to human health and the environment, but have yet to be regulated.
Perfluorinated Compounds contribute to environmental contamination largely due to the fact that
they are highly resistant to the degradation process and can persist in the environmental
for many years.
The Sweeney Water Treatment Plant was the only Cape Fear Public Utility Authority plant
that detected Perfluorinated Compounds in the drinking water.
This years report included voluntary test data from 44 of these compounds.
The two perfluorinated compounds that are the most commonly known and most frequently
researched are Perfluorooctanoic acid (PFOA) and Perfluorooctane-sulfonic acid (PFOS).
PFOA was detected at 9.3 parts per trillion and PFOS was detected at 10 parts per trillion.
And finally, GenX was detected at 9 parts per trillion at the Sweeney Plant.
The Agency for Toxic Substances and Disease Registry (ATSDR) recently recommended setting
a Minimum Risk Level of 20 parts per trillion for both of these substances.
This same study however did not include a toxicity profile for GenX.
These data provided by the ATSDR are preliminary and the effects to human health are still
unknown.
Although PFOA and PFOS are the most well-known, there are several other potentially dangerous
contaminants that regulatory agencies and scientists need to continue to research.
For example, 1, 4 Dioxane, which has been present in the Cape Fear River for years.
1, 4 Dioxane is a chlorinated solvent that is widely manufactured in the US.
The EPA has yet to set a Maximum Contaminant Level for this compound, but it does have
a non-enforceable health advisory level of 0.35 parts per trillion.
Because this is such a prominent issue, Hydroviv has dedicated several articles and videos
to GenX and other Per and Polyfluoroalkyl Substance which you can find at hydroviv.com.
Our Water Nerds are on the lookout for other cities to cover.
If you would like us to see what's going on in your hometown, please let us know and comment
below!
Also, If you have any questions about this report or anything else water related, drop
us a line at hello@hydroviv.com, or visit hydroviv.com and use our live chat.
Our Water Nerds are based in Washington DC and can gladly answer any questions you might
have.
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