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Mackenzie Malone, a mechanic for Halliburton, holds up a sign during an opposition rally to oppose Senate Bill 19-181 on the west steps of the Capitol on March 5, 2019, in Denver. Supporters and those who oppose the bill held different rallies before the first hearings in the Senate Transportation and Energy committee.

Dan Haley, president of Colorado Oil and Gas Association, addresses the crowd during a rally organized to oppose Senate Bill 19-181 on the west steps of the Capitol in Denver on March 5, 2019. (Photo by Helen H. Richardson/The Denver Post)

Colorado House Speaker KC Becker, center, speaks during a rally in support of Senate Bill 19-181 in the west foyer of the Capitol on March 5, 2019, in Denver. Supporters and those who oppose the bill held different rallies before the first hearings in the Senate Transportation and Energy committee.

Supporters and opponents of Senate Bill 19-181 wait inside the Capitol for the first hearings on the bill in the Senate Transportation and Energy committee on March 5, 2019, in Denver. More than 500 people signed up to comment on the bill publicly.

People wait their turn to be able to give their comments on Senate Bill 19-181 to members of the Senate Transportation and Energy committee on March 5, 2019, in Denver.

Senate Majority Leader Steve Fenberg, one of the sponsors of Senate Bill 19-181, addresses members of the Senate Transportation and Energy committee on March 5, 2019, in Denver. The day marked the first state senate hearings on the bill, which would overhaul oil and gas regulation in Colorado.

People wait their turn to be able to give their comments on Senate Bill 19-181 to members of the Senate Transportation and Energy committee on March 5, 2019, in Denver.

Gas explosion survivor Erin Martinez addresses members of the Senate Transportation and Energy committee during a hearing on Senate Bill 19-181 on March 5, 2019, at the Capitol in Denver. Nearly 400 people signed up to give their comments on the bill, which would overhaul the state's oil and gas regulation. Martinez spoke in depth about the day of the explosion that killed her husband Mark Martinez and brother Joey Irwin and left her with serious injuries. The explosion was caused by an improperly abandoned flow line from a well that was 178 ft from her house.

Susan Noble, left, joins other people in rallying in support of Senate Bill 19-181 in the west foyer of the Capitol on March 5, 2019, in Denver. The legislation would overhaul the regulation of the oil and gas industry in Colorado. Noble held a map of the proposed permits for oil and gas wells that are near her home.

From right to left: Brandon Baker, Mackenzie Malone, Jason Murray, Jeremy Black and James Black, mechanics with Halliburton, wait in line to sign up to speak during hearings of Senate Bill 19-181 inside the Capitol on March 5, 2019, in Denver.

State Capitol janitor Boney Garcia, right, sweeps around Jenny Willford and her son Jack, 3, seated on floor, Suzie Brundage, left, and Sara Loflin, second from left, as they wait to give their comments on Senate Bill 19-181 during a meeting of the Senate Transportation and Energy committee on March 5, 2019, in Denver.

Stew Nyholm holds a picture of oil and gas development near his home as he takes part a rally in support of Senate Bill 19-181 in the west foyer of the Capitol on March 5, 2019, in Denver.

People wait their turn in an overflow room to give their comments on Senate Bill 19-181 to members of the Senate Transportation and Energy committee on March 5, 2019, in Denver.

Jay Pape, middle, waits inside the State Capitol for the first hearings on the bill in the Senate Transportation and Energy committee on March 5, 2019, in Denver. Hundreds of people in support and opposition of Senate Bill 19-181 were on hand to make public comments for the proposed bill.