A national approach to air pollution control is established in the Clean Air Act (CAA), with National Ambient Air Quality Standards (NAAQS) as the foundation for reducing six common (criteria) pollutants including carbon monoxide, lead, nitrogen dioxide, ozone, particulate matter, and sulfur dioxide. United States Environmental Protection ...

Water Quality in Indiana. The Office of Water Quality’s (OWQ) mission is to monitor, protect, and improve Indiana’s water quality to ensure its continued use as a drinking water source, habitat for wildlife, recreational resource and economic asset.

The vehicle currently used to control direct discharges to waters of the State is the NPDES (National Pollutant Discharge Elimination System) Permit Program. This was made possible by the passage of the Federal Water Pollution Control Act Amendments of 1972 (also referred to as the Clean Water Act).

Sulfur Dioxide (SO 2) Summary Report (annual reports concerning of SO 2 national air health standards, Indiana’s SO 2 monitoring network, SO 2 monitoring data summaries, air quality trends, and the status of SO 2 designations in Indiana)

Learn About Nonpoint Source (NPS) Pollution. NPS Story Map; What is a Watershed? Pathway to Water Quality [YouTube]

Mar 6, 2025 · Pollution Prevention - Click to Expand; Recycle Indiana - Click to Expand; Resources - Click to Expand. Citizens’ Guide to IDEM - Click to Expand; Environmental Stakeholder Engagement - Click to Expand; e-Services - Click to Expand

Jul 25, 2024 · The Climate Pollution Reduction Grant (CPRG) is a planning grant that includes a short-term plan, the Indiana PCAP (submitted March 1, 2024), and a long-term plan, the Comprehensive Climate Action Plan (CCAP).

There are many ways businesses can proactively apply pollution prevention (P2) efforts to minimize waste production.

Instead, the accumulated impacts of multiple sources of pollution can cause the water quality problem. Pollutants can have harmful effects on drinking water supplies, recreation, fisheries, and wildlife. IDEM offers tools for communities and guidance for citizens on how

For the twenty-seventh year, the Indiana Partners for Sustainability (formally known as Indiana Partners for Pollution Prevention) (Partners) is hosting a statewide pollution prevention conference and trade show.