Tips for Using ICIS Ad Hoc Reports

Submitting DMRs for a Terminated permit in ICIS

Entering National Enforcement Initiative (NEI) Case Conclusion Information (04.10.2012)

CWA Municipal Settlements and Supplemental Environmental Projects (SEPS) Memorandum 11-04-05

ICIS-NPDES Data Submission Payloads and Processing Order

Facility Associated with an Inspection definition

FAQs for ICIS

Guidance, Policy, and Minimum Data Requirements Information

Federal Facilities - Final Guidance on Identifying Federal Facility Activities and Ownership in ICIS (06.30.2011)

How to "Unterminate" a NPDES Permit?

Inactivating NODI Code(s) in ICIS and NetDMR

I get warning messages on the Accepted tab/section of the Batch Audit Report/Response PDF. What should I do?

Questions and Answers for RNC Status Fields

How to enter pollutant codes and program codes for Air DA Case File EDT XML submissions

NAICS Codes (2025-06-12)

RNC Status Codes (2018-12-10)

RNC Detection - RNC Resolution Codes (2020-12-30)

CBI concerns related to reporting of FIFRA environmental benefits data

EPA NPDES eRule Implementation: Roadmap for Updating the ICIS Data Submission Service for Phase 2 Data

ICIS EDT Error Code Description Updates 2025