Values for particular locations will differ according to local conditions. Water Consumption Warren County has 11 public-water systems, listed in Table 1. The information in Table 1 includes the population served, primary water source, estimated daily water usage and treatment plant capacity for each of these water-supply systems. These systems provide water for domestic, commercial and industrial uses, which should be considered when using the data in the table. All of these public water systems are supplied by ground-water sources.
Ground water is the major water source in Warren County, serving virtually all households.
Nearly 32 percent of all households have a private well. The remaining 68 percent use public water supplies with ground water as the source. Water Use in Warren County, Ohio. 4 Population served in Warren County. Most public water supplies in the county come from the buried valley aquifer, which produces high-quality and quantity water.