Faucet (IMAGE) Penn State Caption Researchers partnered with the University's Pennsylvania Master Well Owner Network, testing water samples from 26 households with private wells in nine counties in the basin of the West Branch of the Susquehanna River. Credit Penn State Usage Restrictions non commercial use License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.