Overview
Potato Creek State Park Air Monitoring Station in North Liberty, Indiana, is an operational facility managed by the Indiana Department of Environmental Management, providing ambient air quality data for the region.
Potato Creek State Park Air Monitoring Station is an operational air quality monitoring facility located at 25601 State Rd. 4 in North Liberty, Indiana, within St. Joseph County. It is part of the state's ambient air monitoring network, operated under the Indiana Department of Environmental Management's Office of Air Quality. The station serves to track criteria pollutants and support compliance with the U.S. EPA's National Ambient Air Quality Standards (NAAQS). The station operates within the U.S. EPA's Air Quality System (AQS) framework, which mandates standardized monitoring methods and quality assurance procedures. While specific parameters measured are not detailed, typical state park stations monitor ozone, particulate matter (PM2.5 and PM10), and meteorological conditions. The station's last reported sample date is September 30, 2025, indicating ongoing data collection. Located in a state park, this station provides background air quality data representative of a rural, recreational area. Its data helps assess regional air quality trends and the impact of nearby urban and industrial sources. The station contributes to the broader national network that informs public health advisories and regulatory decisions.
Environmental context
The station's siting in Potato Creek State Park offers a rural background monitoring location, which is essential for distinguishing regional pollution transport from local sources. In Indiana, air quality monitoring networks are designed to meet EPA siting criteria for population exposure and regional background. The station's data supports the state's compliance with NAAQS and informs the public about air quality conditions in recreational areas.
Frequently asked questions
The station is located at 25601 State Rd. 4, North Liberty, Indiana, within Potato Creek State Park in St. Joseph County.
The station is operated by the Indiana Department of Environmental Management's Office of Air Quality, which is responsible for air quality monitoring in the state.
The station operates under the U.S. EPA's Air Quality System (AQS) and must comply with the National Ambient Air Quality Standards (NAAQS) as part of the Clean Air Act.
State park monitoring stations provide background air quality data that helps assess regional pollution transport and ensures that recreational areas meet health-based air quality standards.
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