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Adams County, CO Trash & Recycling: Illegal Dumping (2026)

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

Key Facts

State law
CRS 18-4-511 (littering)
First-offense fine
$20-$500 mandatory
Repeat fines
Up to $1,000
Covers
Public & private property, waters
Report to
Public Works 720.523.6875

Summary

Depositing trash on any public or private property in Colorado is illegal littering under CRS 18-4-511, carrying a mandatory fine of $20-$500 for a first offense. In unincorporated Adams County, report dumping in a street or alley to Public Works at 720.523.6875.

City-specific rules exist: Westminster, and Thornton have their own illegal dumping rules that differ from Adams County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

Any person who deposits, throws, or leaves any litter on any public or private property or in any waters commits littering.

Full Breakdown

Illegal dumping in unincorporated Adams County is handled through Colorado's littering statute and the county's code-compliance and public-works programs. CRS 18-4-511 makes it unlawful for 'any person who deposits, throws, or leaves any litter on any public or private property or in any waters,' covering roadsides, waterways, parks and residential, farm or ranch land. A first conviction carries a mandatory fine of not less than $20 and not more than $500 (rising for repeat offenses), with fine amounts adjusted annually for inflation; courts may substitute litter cleanup service. Dumped trash on a private lot is also environmental blight the county can abate. Report trash dumped in a street or alley to Adams County Public Works at 720.523.6875.

Violations & Fines

Littering is a civil infraction with a mandatory first-offense fine of $20-$500 ($50-$1,000 second, $100-$1,000 third), inflation-adjusted, plus possible court-ordered litter cleanup (CRS 18-4-511).

Frequently Asked Questions

What's the penalty for dumping trash?
Littering under CRS 18-4-511 carries a mandatory fine of $20-$500 for a first offense, more for repeats, with amounts adjusted annually and possible court-ordered cleanup.
Where do I report illegal dumping?
Report trash dumped in a street or alley in unincorporated Adams County to Public Works at 720.523.6875; blight on a private lot goes to Code Compliance.

Sources & Official References

Other rules in Adams County

All Adams County rules

Compare Adams County to another location·View the Colorado trash & recycling overview

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Illegal Dumping in Cities Across Adams County