Data and Tools

ECM for Mefentrifluconazole Degradate 1,2,4-triazole in Water - MRID 49762553

ECM for Aminopyralid in Soil - MRID 47572602

Environmental Chemistry Methods for Aminopyralid in Soil - MRID 47572602

ECM for Aminopyralid in Water - MRID 46235601

Environmental Chemistry Methods for Aminopyralid in Water - MRID 46235601

ECM for Flubendiamide & Degradates in Soil - MRID 46816926

Environmental Chemistry Methods for Flubendiamide & Degradates in Soil - MRID 46816926

ECM for Dicloran in Soil - MRID 51056602

ECM for Afidopyropen & Degradates in Water - MRID 49688949

Environmental Chemistry Methods for Acequinocyl & Degradates in Soil - MRID 48016601

ECM for Cyhalofop-butyl Degradates in Soil - MRID 45000523

Environmental Chemistry Methods for Cyhalofop-butyl Degradates in Soil - MRID 45000523

ECM for Azinphos-methyl & Oxon Degradate in Soil - MRID 46311403

Environmental Chemistry Methods for Azinphos-methyl & Oxon Degradate in Soil - MRID 46311403

ECM for Azoxystrobin & Degradates in Soil - MRID 43678192

Environmental Chemistry Methods for Azoxystrobin & Degradates in Soil - MRID 43678192

ECM for Bispyribac-sodium Degradate Me2BA in Soil - MRID 45243502

Environmental Chemistry Methods for Bispyribac-sodium Degradate Me2BA in Soil - MRID 45243502

ECM for Alachlor Degradates in Water - MRID 45297801

Environmental Chemistry Methods for Alachlor Degradates in Water - MRID 45297801

ECM for Pentachloronitrobenzene (PCNB) & Degradate PCA in Water - MRID 45228601

FITS: Funding Integration Tool for Source Water

The Funding Integration Tool for Source Waters (FITS) is a one-stop-shop tool that explains how users can integrate various federal funding sources to protect sources of drinking water.

2026 Ozone Exceedances

View 2026 Ozone Exceedances for New England.

2026 PM2.5 Exceedances

View 2026 PM2.5 Exceedances for New England.

TRI Source Reduction Reporting

Electronic Submission of TRI Reporting Forms

Answers to frequently asked questions about the TRI-MEweb reporting tool.

Reporting for TRI Facilities

Overview of key information for facilities required to report to the Toxics Release Inventory Program.

Operating Permit Timeline for Louisiana

Part 70 Title V Operating Permit Timeline for Louisiana

Air Quality Design Values

This is where EPA publishes the annual design values updates for the criteria pollutants.