Water Tower Air Monitoring Station, Waterloo, Iowa | US EPA AQS Network

Water Tower is an air monitoring station located at Vine St. & Steely in Waterloo, Black Hawk County, Iowa, United States. Operated by the University Hygenic Laboratory (University of Iowa), the station is part of the national ambient air quality monitoring network. It contributes to the US EPA Air Quality System (AQS), which tracks criteria pollutants and other parameters to assess compliance with National Ambient Air Quality Standards (NAAQS). The station's last reported sample date is October 31, 2025, indicating recent operational activity. As a monitoring site in the US EPA AQS network, it follows standardized siting criteria and quality assurance procedures. The station likely measures one or more criteria pollutants such as ozone, particulate matter, or nitrogen dioxide, though specific parameters are not detailed. Its location in an urban area of Waterloo supports representative monitoring for population exposure. Environmental monitoring in Iowa is critical due to agricultural emissions, industrial sources, and urban air quality concerns. The Water Tower station helps track regional air quality trends and supports public health protection. Data from this station contributes to air quality index reporting and regulatory compliance assessments for the state and federal agencies.

Water Tower operates within the US EPA AQS framework, which mandates standardized monitoring for criteria pollutants. The station's urban siting in Waterloo provides representative data for population exposure assessment. Iowa's air quality is influenced by agricultural activities, including ammonia and particulate matter from farming, as well as industrial emissions. The station's reporting continuity, evidenced by recent sample dates, supports long-term trend analysis and regulatory compliance.