EPA · Superfund National Priorities List
The Superfund program identifies and cleans up the nation's most contaminated land.
EPA · Toxic Release Inventory
The Toxics Release Inventory (TRI) tracks self-reported chemical releases from industrial facilities.
EPA · Brownfields (ACRES)
Brownfields are properties where reuse may be complicated by real or perceived contamination from prior industrial or commercial activity.
EPA · AirToxScreen — Air Cancer Risk
AirToxScreen is EPA's screening tool that estimates cancer risk from outdoor air toxics at the county and census-block level using emissions modeling.
EPA · Safe Drinking Water Information System (SDWIS)
EPA's Safe Drinking Water Information System (SDWIS) and Unregulated Contaminant Monitoring Rule (UCMR) track public water system compliance and emerging contaminant detections.
EPA · Enforcement and Compliance History Online (ECHO)
EPA's Enforcement and Compliance History Online (ECHO) database tracks facility inspections, violations, and enforcement actions under the Clean Air Act, Clean Water Act, and other federal environmental laws.
EPA · Resource Conservation and Recovery Act (RCRA)
The Resource Conservation and Recovery Act (RCRA) regulates the handling, storage, treatment, and disposal of hazardous waste.
EPA · Environmental Justice Screening Tool (EJScreen)
EPA's EJScreen tool combines environmental and demographic indicators to identify communities that may face disproportionate environmental burdens.
USGS · USGS Water Quality Portal (WQP)
USGS monitoring stations track water quality in streams, rivers, and groundwater.
EPA · Risk Management Plans (RMP)
EPA's Risk Management Program (RMP) requires facilities that use certain hazardous chemicals above threshold quantities to submit Risk Management Plans.
NRC · Nuclear Facilities
The Nuclear Regulatory Commission (NRC) licenses and regulates nuclear power plants, research reactors, and other nuclear facilities.
County Health Rankings · Community Health (County Health Rankings)
County Health Rankings provides county-level public health indicators used here as statistical population-level context, not individual risk assessment.
DOT/PHMSA · Pipeline Incidents (PHMSA)
The Pipeline and Hazardous Materials Safety Administration (PHMSA) tracks incidents involving natural gas, hazardous liquid, and other pipelines nationwide.
EPA · Radon Zones
EPA classifies counties into three radon zones based on predicted indoor radon levels.
EPA · Underground Storage Tanks (UST/LUST)
Underground storage tanks (USTs) that store petroleum or hazardous substances are regulated by state environmental agencies.
FEMA · FEMA Flood Zones
FEMA's National Flood Hazard Layer (NFHL) maps flood zones across the US.
EPA · Air Quality Nonattainment
EPA designates areas as 'nonattainment' when they do not meet National Ambient Air Quality Standards (NAAQS) for criteria pollutants including ozone, PM2.5, PM10, SO2, NO2, CO, and lead.
EPA · Water Body Impairment (ATTAINS)
EPA's Assessment, Total Maximum Daily Load (TMDL) Tracking and Implementation System (ATTAINS) tracks the condition of water bodies under the Clean Water Act Section 303(d).
USACE · Formerly Used Defense Sites
The Army Corps of Engineers (USACE) Formerly Used Defense Sites (FUDS) program identifies and cleans up contamination at properties that were formerly owned by or used by the Department of Defense.
DoD · Military PFAS Sites
The Department of Defense (DoD) has identified hundreds of military installations where PFAS chemicals from aqueous film-forming foam (AFFF) may have contaminated groundwater or soil.
State DEP/DEQ · State Remediation / Cleanup Sites
State environmental agencies maintain their own lists of contaminated sites requiring investigation or cleanup.
EPA · Air Quality (AQS/AirNow)
The EPA Air Quality System (AQS) stores historical ambient air quality data from monitoring stations nationwide.
FracFocus / GWPC-IOGCC · FracFocus Chemical Disclosure Registry
FracFocus is a national registry of chemicals used in hydraulic fracturing operations.
DOL/MSHA · MSHA Mine Locations
The Mine Safety and Health Administration (MSHA) regulates all mining operations in the United States.

Small steps to reduce everyday exposure

Whatever environmental records are available for your city, we recommend practical steps to reduce everyday exposure to toxicants:

Use a water filter certified for the contaminants you want to reduce, and replace it on schedule.
Choose air filters suited to your space, alongside ventilation and reducing indoor pollution sources.
Look for household cleaning products with fewer ingredients of concern.

We love how Laurel helps people make these choices with research-backed guidance and vetted products.