Less than 70 years ago, my mother lived on a largely self sufficient farm that had a handpump in the kitchen sink, new electric lights, a woodstove for heat ..... and there was an outhouse out back. Just because there were A-Bombs being made in Oak Ridge TN at the time does not mean that modern tech was ubiquitous, or even common, in rural America.
To this day my county does not have complete water service to the entire county. There are many, many homes that still rely on a well or springhouse for their water. It's only been recently (15 years or less) that the church I belong to put in indoor plumbing and running water. Before that we had an outhouse. Some still do.