Yes this is about fracking water.
Mussels downstream of wastewater treatment plant contain radium, study reports (https://phys.org/news/2024-05-mussels-downstream-wastewater-treatment-radium.html)
QuoteA pair of researchers from Penn State's Department of Civil and Environment Engineering (CEE) analyzed the composition of mussels downstream of a centralized treatment facility in Western Pennsylvania that had accepted and treated fracking wastewater from the oil and gas industry for at least two decades. The now-decommissioned facility stopped accepting oil- and gas-produced wastewater in 2019.
The researchers found that, even years later, the tissue and shells of mussels contained radium that could be traced to wastewater from fracking in the Marcellus Shale. The rock formation stretches underground from West Virginia through New York and is the largest natural gas field in the country. Their findings are available online now and will appear in the June issue of Science of the Total Environment.
Interesting but probably predictable.