The E-Check program is a vehicle emissions testing program designed to identify motor vehicles emitting excessive levels of pollutants into the air. The test, required in 14 counties every two years, applies to gasoline and diesel-powered vehicles up to 25 years old and weighing 10,000 pounds or less. Agricultural vehicles are exempt. Drivers in Fairfield County are not required to test their vehicles for emissions. Brownfield properties located in economically disadvantaged areas are eligible for a greater tax credit from the state than properties outside these areas.
Properties located outside economically disadvantaged areas are eligible for a lesser tax credit.
These sites may be operating or abandoned industrial facilities, contaminated or potentially contaminated public water supplies with the source or contamination undiscovered, or other locations where the environmental media is contaminated through a variety of waste management activities. For each water system, the table presents an estimate of the population served, the primary water source, estimated daily usage, and treatment plant capacity. The largest PWS in the county is the City of Lancaster, which uses 14 wells for its supply. Essentially all households in Fairfield County use groundwater, not surface water, for their water needs. Groundwater is the only water source for rural households in Fairfield County.