Articles
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