Vulnerability of Groundwater Resources Underlying Unlined Produced Water Ponds

(Press Release, PSE Healthy Energy; October 15, 2021)

https://www.psehealthyenergy.org/our-work/publications/archive/vulnerability-of-groundwater-resources-produced-water-ponds/

Also…

Regional patterns in the geochemistry of oil-field water, southern San Joaquin Valley, California, USA (MCMAHON et al., 2018)

https://www.sciencedirect.com/science/article/pii/S0883292718302713

Impact to Underground Sources of Drinking Water and Domestic Wells from Production Well Stimulation and Completion Practices in the Pavillion, Wyoming, Field (DIGIULIO and JACKSON, 2016)

https://www.chc4you.org/wp-content/uploads/2017/01/Water-contamination-from-fracking_stanford-pavillion3.pdf

Website:

National Produced Waters Geochemical Database (USGS)

https://eerscmap.usgs.gov/pwapp/