Linking a Federal Inspection to a NPDES Permit ID in ICIS-NPDES

Creating Compliance Determination Records in ICIS for Controlled/Addressed/No Further Action Determinations Involving Multiple Facilities

Voluntary disclosures and data entry time lags

NAICS Codes (2025-06-12)

'All Things ICIS Modernization' Meeting Notes

What are some search tips for ICIS?

FRS–ICIS Monthly Data Exchange: Technical Overview

ICIS User Guide (8/2002)

Environmental Benefits resulting from a withdrawn referral

Investigating Significant Noncompliance (SNC) Data Handbook

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

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

ICIS Web Technical Specifications - NPDES Reports, Permit Basic Information, Permitted Features

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

Judicial Enforcement Action definition

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

EDT Common Error Codes

Permit Status (2017-10-18)

Narrative Conditions & Schedule Events (2025-03-31)

ICIS Data Guidance 9-10-2004 (Developed by Region 5 lead workgroup)