NPDES eRule Data Groups (2026-10-26)

ICIS-Air EDT Technical Specification Documents

Claiming direct complying actions and quantified environmental benefits for expedited settlements that are penalty-only actions

How do I sign up for GovDelivery announcements?

ICIS Web Technical Specifications - Program Reports, RAD WebRIT, Reissuance, Related Activities, Reports Universes, RNC

ICIS NPDES EDT (batch) Resources

What is the ICIS Maintenance Schedule?

Multi-regional (or national) case definition, and the data entry requirements

Counting and Reporting Inspections Conducted By Tribal Inspectors Using Federal Credentials

ICIS Modernization Air Focus Area: Draft Meeting Schedule

ICIS Web Technical Specifications - Expected DMR Schedule, Facilities, FRS, Compliance Monitoring, Security and Navigation

The Scope of the ConOps Phase of ICIS Modernization

Facility Type of Ownership (2024-12-17)

Potentially Responsible Party (PRP) definition

ICIS Modernization Contact List

CBI concerns related to reporting of FIFRA environmental benefits data

EPA Region 4 ICIS-NPDES Registration Instructions and Forms - Version 24.1 (Updated November 14, 2024)

Safe Drinking Water Act (SDWA) §1431 Emergency Powers Enforcement Actions: SDWA 1431-UIC and SDWA 1431-PWS (04.02.2008)

Linking NPDES Violations to Enforcement Actions via Batch EDT

Recording of Electronic Data Transfer (EDT) Training: Basics and Troubleshooting Significant Noncompliance