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JEFFERSON COUNTY, Colo. — Here’s a good rule of thumb to know as Independence Day approaches: If fireworks explode or leave the ground, they are illegal in Colorado.

The Jefferson County Sheriff’s Office sent out information Tuesday to remind people about Colorado law as it relates to setting off fireworks.

“Illegal fireworks include but are not limited to firecrackers, cherry bombs, bottle rockets, M-80’s and Roman candles.  It is illegal to sell, use or possess non-permissible fireworks in unincorporated Jefferson County.  Additionally, all fireworks are prohibited in Jefferson County Open Space Parks, Denver Mountain Parks and Forest Service lands,” according to a news release.

Additional fireworks regulations vary by different cities, counties and jurisdictions.

In Denver, setting off fireworks of any kind is illegal.  A violation in Denver can result in a fine of up to $999 and/or up to one year in jail.

Firefighters always warn about the dangers of any fireworks. Here are some quick examples:

  • Sparklers burn at 1,200 degrees
  • Pop bottle rockets have set roofs on fire
  • Firecrackers can blow fingers off hands

Jefferson County reminds everyone to check the specific rules that are in place for where you live.

It has set up a fireworks hotline for residents there to report the use of illegal fireworks, to find fireworks stand locations and to find commercial fireworks displays: 303-271-8200.