Report Illicit Storm Drain Discharge - Milwaukee City Law

Utilities and Infrastructure Wisconsin 3 Minutes Read · published February 08, 2026 Flag of Wisconsin

Milwaukee, Wisconsin residents and businesses must report any illicit storm drain discharge—such as sewage, industrial waste, paint, oil, or other contaminants—so city agencies and regional partners can act to protect waterways and public health. This guide explains how to report online, what agencies enforce stormwater rules in Milwaukee, likely enforcement outcomes, and practical steps to document and follow up on a report. Use official reporting channels and preserve photos, timestamps, and location details to speed response.

Report visible pollution promptly with date, time and photos.

Penalties & Enforcement

Enforcement for illicit discharges in Milwaukee is carried out by city agencies in coordination with regional sewer authorities. Exact fine amounts and structured penalties are not specified on the cited pages; see the listed official sources for current enforcement procedures and contact points.Report to City of Milwaukee 311[1] for local complaints and to the regional sewer authority for technical enforcement and cleanup coordination.MMSD illicit discharge information[2]

  • Fine amounts: not specified on the cited page.
  • Escalation: information on first, repeat, or continuing offence tiers is not specified on the cited page.
  • Non-monetary sanctions: orders to cease, remediation and cleanup directives, and court actions may be used; specifics are not specified on the cited pages.
  • Enforcer and complaint pathway: City of Milwaukee 311 intake and Department of Public Works or designated stormwater staff coordinate response; larger releases may involve the Milwaukee Metropolitan Sewerage District (MMSD) and Wisconsin DNR.
  • Appeals and review: specific appeal time limits and procedures are not specified on the cited pages; request the enforcement notice to confirm deadlines.
Keep photos, exact location and time to help investigators link discharges to sources.

Applications & Forms

To report an incident there is no special application form published on the cited municipal page; use City of Milwaukee 311 online or phone intake for local complaints and MMSD reporting for regional illicit-discharge response. If a remediation permit or specific cleanup plan is required the enforcing agency will provide the necessary form or instructions when they issue an order.

How to Report

When you find a possible illicit discharge, act quickly and provide clear information so municipal or regional responders can assess and respond:

  • Note date and time, exact address or GPS coordinates.
  • Take clear photos or short video showing the discharge and nearby markers.
  • Use City 311 online intake or MMSD reporting channels for immediate submission and follow-up.City 311 intake[1]
  • Provide witness contact info if willing to be contacted for follow up.
If you suspect an immediate threat to health, call emergency services first, then report to 311 and MMSD.

FAQ

How do I report an illicit storm drain discharge?
Use City of Milwaukee 311 online or phone intake for local reporting and contact MMSD for regional sewer-related discharges; include location, time, photos and a brief description.
Will I be contacted after I file a report?
City or regional staff may contact you for more details; you can request updates when you file the complaint.
Are there penalties for reporting false information?
Deliberately false reports may have consequences under local law; provide accurate information to the best of your ability.

How-To

  1. Document the scene: record date, time, exact location, nearby landmarks and take photos.
  2. Report online: submit the complaint through City of Milwaukee 311 and provide the same details; request a report number.
  3. Notify MMSD if the discharge appears to enter a regional sewer or waterway and include photos and the 311 report number.
  4. Follow up: retain your report number and contact the intake office for status updates; ask for remediation instructions if the discharge affects private property.
Always keep the original photos and a written log of communications for appeals or follow-up.

Key Takeaways

  • Report promptly with photos and precise location.
  • Use City 311 for local intake and MMSD for regional sewer issues.
  • Official pages cited do not list specific fines or appeal time limits; request enforcement notices for details.

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