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Municipal storm water permit eReporting

Important information concerning the MS4 permits

Online reporting is available to municipalities for submitting Annual Reports and other permit compliance documents.

» Access online water permit system

The online 2018 Annual Report is available.

When to eReport

Beginning January 2018, all municipalities permitted under the Municipal Separate Storm Sewer System (MS4) WPDES program submitting MS4 permit documents, including the Annual Reports due by March 31 each calendar year, must use the online eReporting system. The eReporting system is available for use at water permit applications. The eReporting system does not require any special software and is completely web-based and available using any internet browser.

User Support Tools Date
MS4 eReporting Webinar [exit DNR] January 2018
Instructional training videos
Step-by-step help document [PDF] December 2018

MS4 Annual Report

This form is only to be used for collecting reporting information only. All data must be entered into the eReporting system due by March 31 of each calendar year.

Form Form # Date
2018 MS4 Annual Report Form [PDF] 3400–224 October 2018
2017 MS4 Annual Report Form [PDF] 3400–224 December 2017

Delegation of signature authority

Use this form to delegate electronic signature authority for submittal of an electronic MS4 permit document. Submission of this form constitutes notice by the authorized MS4 contact that the person electronically signing the eReport is authorized to do so on behalf of the municipality.

Form Form # Date
Delegation of Signature Authority [PDF] 3400–220 November 2018
Last revised: Tuesday December 11 2018