Maps and Data
Data and Online Services
Air Monitoring Data including:
- Air Quality Data and Site Map - current conditions reported from Maine’s air quality monitoring sites
- Air Quality Forecast - Ozone and particle pollution forecasts.
- Air Quality Preliminary data (ozone and particle) from continuous monitors.
- Atmospheric Deposition - monitoring locations and field data.
Document Management System - search and view finalized scanned documents including:
- Oil and hazardous materials spill reports
- Hazardous waste manifests
- Underground & aboveground storage tanks, active & out of service
- Remediation site documents - Until February of 2021, the Administrative Record for Remediation Sites was in paper format. DEP is in the process of transitioning to an electronic Administrative Record for Remediation Sites. Files that have been converted to electronic format are available in the searchable Document Management System. During the transition, schedule a review of files still in paper format by contacting the file room.
- Solid Waste Licensing Files - Until December of 2022, the Administrative Record for Solid Waste Licenses was in paper format. DEP is in the process of scanning its historic Solid Waste Licenses. Files that have been converted to electronic format are available in the searchable repository found by following the link provided.
During the transition, schedule a review of files still in paper format by contacting the file room.
Environmental and Geographic Analysis Database (EGAD) - EGAD (formerly known as the Environmental and Groundwater Analysis Database) is an electronic repository for a wide variety of environmental data. It includes soil, sediment, air and water quality data, as well as spatial data from potential and actual sources of contamination to Maine’s groundwater. It also contains biological and surface water sampling site types, which enables DEP staff to more readily assess the water quality of Maine’s lakes, streams and rivers, and to determine the Class status and non-attainment status of various waterbodies.
Hazardous & Oil Spill System Online Report Service - Access basic oil and hazardous materials spill data contained in the department's main spill reporting database. Note: use the Oil and hazardous materials spill reports search for more detailed information that may not be included in the database search.
TankSmart - The Oil Storage Tank Search & Operator Training Online Service - Tank Registration information now includes the date of the last Annual Inspection.
Other Resources
File Room, Reports and Lists Generated from Databases - Remediation and Waste Management, file room search, spill reports, transporter reports, tanks reports, lists, uncontrolled sites list, downloadable tables from Tanks and HOSS databases.
Quality Management System (QMS) - The quality management system assures that the environmental data used to make decisions are accurate and reliable.