Percy Priest Dam Air Monitoring Station, Nashville, Tennessee | US EPA AQS Network

Percy Priest Dam is an Air Monitoring Station located in Nashville, Davidson County, Tennessee, United States. It is part of the national air quality monitoring network and is operated by the Metropolitan Health Department/Nashville & Davidson County. The station contributes to the assessment of ambient air quality in the region. The facility operates under the regulatory framework of the US EPA Air Quality System (AQS), which sets standards for criteria pollutants such as ozone, particulate matter, carbon monoxide, sulfur dioxide, nitrogen dioxide, and lead. Monitoring stations like this one are essential for ensuring compliance with the National Ambient Air Quality Standards (NAAQS) and for providing data to the public and policymakers. As part of the Nashville metropolitan area, the station plays a key role in tracking air quality trends and informing local health advisories. The data collected supports environmental management and public health protection, particularly in an urban context where industrial and vehicular emissions are significant. The station's location near the Percy Priest Dam reservoir also provides insights into the interaction between air quality and local geography.

The station is situated in a mixed urban and suburban area near the Percy Priest Dam reservoir, which influences local meteorology and pollutant dispersion. The facility monitors criteria pollutants as part of the US EPA AQS network, ensuring representative siting for population exposure assessment. The data contributes to regional air quality management and supports compliance with NAAQS, particularly for ozone and particulate matter, which are of concern in the Nashville area due to traffic and industrial sources.