NAICS Codes (2025-06-12)

ICIS-Air EDT Guidance and Instruction Documents

ICIS Web Technical Specifications - ADR, Asynchronous Tech Spec, Compliance Assistance, DMR Non-receipt, DMR, Effluent Trade Partners, Effluent Violation Processing

FRS–ICIS Monthly Data Exchange: Technical Overview

Environmental Benefits resulting from a withdrawn referral

Entering the conclusion data in ICIS when a CERCLA administrative order on consent must go through public comment

ICIS EDT Error Code Description Updates 2025

Memorandum: Updates and Clarifications for FY 2013 End-of-Year Enforcement and Compliance Reporting and Certification (9-26-2013)

Case Conclusion Data Sheet (CCDS) definition

Memorandum: Additional Guidance on Retaining, Preserving, and Maintaining Records in Response to Hurricanes Katrina and Rita (10-4-05)

Temporarily Closed vs. Permanently Closed Operating Status for Clean Air Act (CAA) Facilities

Flowing to a Different ICIS Environment

Judicial Enforcement Action definition

ICIS Web Technical Specifications - IIRS, Impaired Waters, Incidents, Limit Sets, Limits, Narrative Conditions, Nightly Processing

ICIS Video Tutorials for New Users

Training documents and links to the new NPDES data sharing guidance and dashboard

Issuance of the Guidance on Federally-Reportable Violations for Clean Air act Stationary Sources FRV Policy (2014)

Permit Status (2017-10-18)

Civil judicial referral definition, and how to receive credit for a civil referral

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