Knowledge Base

The city regulates many activities on construction sites that can impact or degrade the water quality of stormwater. If you see any of the following activities, please contact the city.

• Vehicles tracking mud or dirt into the street.
• Concrete trucks being washed and discharging concrete waste into the street or storm drain, ditch or any stormwater system.
• Construction sites inappropriately storing materials or construction waste.
• Construction debris outside of trash containers or trash and waste containers being stored on pedestrian and/or public right-of-way.
• Construction equipment left in the public right-of-way or equipment leaking fluids.
• Any discharges from construction sites during or after a rain or snow event, which leave mud or debris in the street, sidewalks, streams, or other discharge ways.

Please call the Infrastructure Department at 720-977-6210, Monday through Friday between 8 a.m. and 4 p.m. A recorded message may be left at this number, which will be reviewed by Infrastructure personnel and acted upon accordingly the next business day. Please leave your name, telephone number, address, location of problem, and as much detailed information as possible. To report information on someone who is discharging an unknown substance into the storm drain, other than the categories listed above, contact police dispatch at 720-977-5150.