Illicit Storm Drain Discharge Report - Denver

Utilities and Infrastructure Colorado 2 Minutes Read ยท published February 07, 2026 Flag of Colorado

In Denver, Colorado the city regulates discharges to storm drains to protect water quality and public infrastructure. This guide explains who enforces illicit storm drain discharges, how to report incidents, typical enforcement actions, and practical steps property owners and witnesses should take. It summarizes official Denver enforcement pathways, reporting methods, and where to find the municipal ordinance and stormwater program information.[1]

Penalties & Enforcement

Enforcement for illicit discharges in Denver is handled through the city stormwater program and municipal code. Specific monetary fines and escalation amounts are not specified on the cited municipal code landing page; see the code and stormwater program for enforcement authority and procedures.[3]

  • Monetary fines: not specified on the cited page.
  • Escalation: first, repeat, and continuing offences - not specified on the cited page.
  • Non-monetary sanctions: compliance orders, abatement, injunctions, and referral to municipal court or other legal action are available under city authority.
  • Enforcer: Denver Public Works - Stormwater Management administers inspections and enforcement.[1]
  • Inspections and complaints: residents and businesses should report incidents through the city reporting system; inspectors may investigate and document evidence.
  • Appeals and review: appeal routes and time limits are defined in municipal procedures; specific time limits are not specified on the cited page.
File reports quickly to preserve evidence and speed enforcement action.

Applications & Forms

The city does not publish a separate "illicit discharge" permit form for routine reports; instead, use Denver's online report system or contact Public Works Stormwater for guidance. If an authorization or variance is needed for an otherwise regulated discharge, check the municipal code or contact the enforcement office for the correct application.[2]

How-To

  1. Note the location, time, and observable sources (e.g., pipe, vehicle, spill) and take photos or video if safe.
  2. Report the discharge through Denver's official report-a-problem portal or call the listed stormwater contact.
  3. Preserve any records, witness names, and evidence for inspectors; follow any directions from city staff.
  4. If contacted by inspectors, respond promptly and provide requested information; consider legal counsel for contested enforcement actions.
Keep photos and exact timestamps to support enforcement investigations.

FAQ

Who enforces illicit storm drain discharges in Denver?
The Denver Public Works Stormwater program enforces stormwater and illicit discharge rules and conducts investigations.
How do I report a suspected illicit discharge?
Use the City of Denver online report-a-problem portal or call the Stormwater contact listed on the Public Works page to submit photos, location, and details.
What penalties will I face for an illicit discharge?
Specific fine amounts and escalation details are not specified on the cited municipal code landing page; enforcement can include fines, orders, and court referral.

Key Takeaways

  • Report discharges immediately using official city channels.
  • Document location, time, and evidence to help enforcement.
  • Denver Public Works Stormwater is the primary enforcer and contact point.[1]

Help and Support / Resources


  1. [1] Denver Public Works - Stormwater Management
  2. [2] Report a problem - City of Denver
  3. [3] Denver Municipal Code - Code of Ordinances