File Stormwater Runoff Complaint - Denver Construction

In Denver, Colorado, residents and businesses may report stormwater runoff from construction sites that threatens water quality, drainage, or public safety. This guide explains who enforces city rules, what to document, how to submit a complaint, and what to expect from enforcement and appeals. Use the steps below to preserve evidence, reach the correct agency, and follow official complaint procedures so the city can act quickly on sediment, debris, or unauthorized discharges from construction sites.

How to report stormwater runoff from construction

When you discover active runoff, contain evidence and report the problem promptly. Take photos, note the exact location, and record the date and time. Submit the report to Denver Public Works Stormwater Program via the city reporting page linked below and contact 311 for immediate hazards. Denver Public Works - Stormwater Management^[1]

What to include in your complaint

• Exact address or GPS coordinates of the construction site.
• Clear photos or short video showing runoff, sediment, or blocked drains.
• Date and time the condition was observed.
• Contact information if you can accept follow-up questions from inspectors.

Penalties & Enforcement

Enforcement responsibility: Denver Public Works Stormwater Program enforces city stormwater and erosion controls for construction sites and coordinates inspections and corrective orders. Complaints may be routed through the city 311 system for intake and triage.

• Fine amounts: not specified on the cited page.
• Escalation (first/repeat/continuing offenses): not specified on the cited page.
• Non-monetary sanctions: corrective orders, required clean-up or stabilization, stop-work or permit suspension are possible; specific sanctions are not itemized on the cited page.
• Appeals/review routes and time limits: not specified on the cited page; contact the enforcing office for appeal instructions.
• Defences/discretion: permit authorizations, approved erosion-control plans, or emergency actions may be considered; details not specified on the cited page.

Applications & Forms

The city publishes guidance on stormwater management and construction erosion control; the specific complaint form number or fee for filing a runoff complaint is not published on the cited page. For construction permitting, contractors typically must follow erosion and sediment control requirements in city construction guidance and permits—contact Denver Public Works for exact forms and submission methods.

Action steps for residents and contractors

• Document the site: take dated photos and note the address.
• Report via the Denver Public Works stormwater reporting page or 311; include your evidence.
• Keep copies of any correspondence and the report number for follow-up.
• If you are the responsible contractor, implement immediate sediment controls (silt fence, straw wattles) and notify the inspector.

FAQ

Who enforces construction stormwater rules in Denver?

Denver Public Works Stormwater Program enforces stormwater and erosion controls; reports may be submitted through the city reporting system and 311 for intake and inspection.

Do I need to be a witness to file a complaint?

No; anyone who observes runoff or sediment problems can submit a report, but include photos and location details to help inspectors.

Will my identity be shared with the construction contractor?

The city handles reports according to its procedures; contact the enforcement office for information about confidentiality and privacy.

How-To

1. Identify and document the problem: record address, time, and take photos of runoff, sediment, or discharges.
2. Check for visible site identifiers such as contractor name or permit signs.
3. Submit an online report to Denver Public Works Stormwater or call 311; attach photos and location details.
4. Request a report or case number and note the name of any inspector or contact provided.
5. Follow up if the condition continues; provide new photos and dates for ongoing violations.
6. If you disagree with enforcement outcomes, ask the enforcing office for appeal instructions and deadlines.

Key Takeaways

• Document evidence immediately: photos and precise location speed enforcement.
• Report via Denver Public Works or 311 so the city can inspect and require corrections.

Help and Support / Resources

• Denver Public Works - Stormwater Management
• Denver 311 - Report a Problem
• Denver Revised Municipal Code (Municode)

1. [1] City of Denver Public Works - Stormwater Management