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Castle Rock, CO Trash & Recycling: Illegal Dumping (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified July 2026

Key Facts

Storm drain dumping
Illegal (MC 4.03.80)
Debris in ROW
Not allowed
Near waterways
No waste within 100 ft
Waterway rule
Chapter 12.12
Report hotline
720-733-2235

Summary

It is illegal in Castle Rock to intentionally or accidentally dump anything down a storm drain. Construction and landscape debris, dirt and solid waste may not be placed in any public right-of-way, street, alley or easement, and dumping near waterways is separately prohibited.

It is also illegal to intentionally or accidentally dump anything down the storm drain.

View official code

Full Breakdown

Castle Rock protects its watershed with a stormwater ordinance: "It is also illegal to intentionally or accidentally dump anything down the storm drain" (Municipal Code 4.03.80). Storm drains flow untreated to local waterways and drinking-water sources. Separately, construction and landscape materials, debris, dirt and general solid waste "are not allowed on any public right-of-way, street, alley, or easement" and must stay on private property. Chapter 12.12 also prohibits camping or waste deposit within 100 feet of a public stream, riparian zone, floodplain or storm drainage system. Report illegal or accidental dumping to the Stormwater Hotline at 720-733-2235.

Violations & Fines

Dumping into storm drains or public rights-of-way violates the Municipal Code and can trigger stormwater enforcement, cleanup cost recovery and code penalties.

Frequently Asked Questions

Is it illegal to dump into a storm drain in Castle Rock?
Yes. Municipal Code 4.03.80 makes it illegal to intentionally or accidentally dump anything down the storm drain, which flows untreated to local waterways.
Can I leave construction debris in the street?
No. Construction and landscape debris, dirt and solid waste are not allowed in any public right-of-way, street, alley or easement; keep them on your property.

Sources & Official References

Other rules in Castle Rock

Bulk Item DisposalSome RestrictionsParking Rules: Overnight ParkingSome RestrictionsPickup Rules & SchedulesSome RestrictionsBin Placement RulesSome RestrictionsRecycling RequirementsSome RestrictionsParking Rules: Curb Color RulesSome RestrictionsParking Rules: Loading ZonesSome RestrictionsParking Rules: Commercial & Oversized VehiclesSome RestrictionsParking Rules: Driveway RulesSome RestrictionsParking Rules: Abandoned VehiclesSome Restrictions

All Castle Rock rules

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