Coloradans Against Fracking will try to persuade Gov. John Hickenlooper to instead impose a ban on the practice.
Local governments that impose fracking restrictions would be required pay mineral owners if the regulations reduce their property values by at least 60 percent.
Democratic House Speaker Dickey Lee Hullinghorst said she wants to wait for legislative recommendations from the governor's task force on fracking.
The injection well is near the location of two small earthquakes.
Rigs have sprung up around Colorado for years. What's harder to pin down is exactly where and when wells were drilled.
Three men were trying to heat a frozen high-pressure water line when something went wrong and the line ruptured Thursday.
Oil and gas companies must wait three-and-a-half years longer to drill new wells in Boulder County.
Researchers found chemicals that are common in toothpaste, dish soap and even ice cream.
Colorado State University is now offering real-time updates on groundwater quality for oil and natural gas sites in the Denver-Julesburg Basin.