Portland Illicit Stormwater Discharge Reporting Guide

Utilities and Infrastructure Oregon 3 Minutes Read · published February 07, 2026 Flag of Oregon

Portland, Oregon property owners must report illicit stormwater discharges that pollute storm drains, streams, and rivers. This guide explains who enforces city rules, how to report suspected discharges, likely outcomes, and practical steps property owners should take to comply with Portland requirements and reduce liability.

What is an illicit stormwater discharge

An illicit discharge is any non-stormwater flow into the public storm drain system or surface waters that is not authorized by permit or city rule. Common examples include wash water containing detergents, vehicle fluids, concrete washout, sewage, and improperly managed construction runoff.

How to report an illicit discharge

If you see an active spill or discharge, secure safety first and then report it to the City of Portland Bureau of Environmental Services (BES) online or by phone via the official reporting page Report a stormwater problem[1]. For immediate hazards to health or large releases, call 911 and notify BES as soon as possible. When you report, provide location, visible source, color/odor, time observed, and any responsible party information.

Report promptly; early reports improve containment and evidence collection.

Penalties & Enforcement

Enforcement for illicit discharges in Portland is administered at the city level, primarily through the Bureau of Environmental Services (BES) with coordination from other city bureaus as needed. Enforcement actions can include notices to comply, cleanup orders, administrative penalties, abatement, and referral to court or civil action. For official reporting and initial complaint intake see the BES reporting page Report a stormwater problem[1]; for controlling ordinance language consult the City of Portland code repository Portland Code of Ordinances[2].

  • Fines and civil penalties: not specified on the cited page.
  • Escalation: notices, orders to abate, then possible administrative penalties or civil enforcement; specific schedules or per‑day amounts are not specified on the cited page.
  • Non‑monetary sanctions: cleanup orders, abatement, seizure of equipment, stop‑work orders, and mandatory remediation.
  • Appeals and review: appeal routes are governed by city code and administrative rules; time limits and procedures are described in the code repository and bureau rules and may vary by order type Portland Code of Ordinances[2].
If you are required to remediate, follow written orders and documented timelines to avoid escalated penalties.

Applications & Forms

Reporting typically uses the BES online complaint/reporting tool; specific form names or permit numbers for illicit discharge reporting are not specified on the cited page. Permits that authorize non‑stormwater discharges (if applicable) are issued by BES or state agencies and have separate application processes.

Common violations

  • Concrete washout into storm drains or streets.
  • Construction site runoff without required controls or permits.
  • Disposal of vehicle fluids, paints, or solvents to gutters or inlets.
  • Failing to report known discharges or failing to comply with cleanup orders.

Action steps for property owners

  • If safe, stop the source and contain flow to prevent entry to storm drains.
  • Document the scene with photos, time stamps, and witness names.
  • Report to BES via the official reporting page or phone immediately Report a stormwater problem[1].
  • Preserve records of notifications, cleanup actions, invoices, and correspondence.

FAQ

Who enforces illicit stormwater discharge rules in Portland?
The Bureau of Environmental Services (BES) leads enforcement with support from other city bureaus; complaints are handled through BES intake and city code processes.
How quickly must I report a spill?
Report immediately for active or hazardous discharges; call 911 for immediate threats to health or safety, then notify BES.
Will I be fined for a first-time accidental discharge?
Penalties depend on circumstances, compliance, and whether a cleanup order is required; specific fine amounts are not specified on the cited page.

How-To

  1. Stop the source if it is safe to do so and prevent runoff from reaching storm drains.
  2. Collect evidence: photos, exact location, time, estimated volume, and any witness contact information.
  3. Report the incident to BES using the online reporting page or phone; provide all collected details Report a stormwater problem[1].
  4. Follow any written orders from the city, complete required cleanup, and keep records of remediation and costs.

Key Takeaways

  • Report quickly to limit environmental harm and reduce enforcement risk.
  • Document actions and preserve records in case of follow-up or appeals.
  • Control runoff sources with best management practices to avoid violations.

Help and Support / Resources

  1. [1] City of Portland - Report a stormwater problem (Bureau of Environmental Services)
  2. [2] Municode - City of Portland Code of Ordinances

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