Multiple setback buffers from California's operational wells (Active/Idle/New) updated 8/24/20.

1,500 feet: Municipal setback requirement in Dallas, Texas (Source: 2015 Liberty Hill Foundation Drilling Down report p. 29) (In Texas, setbacks laws are currently written at the municipal level, and as of 2015, 550 of the state’s 1,145 cities had no regulations around setbacks or buffer zones, according to a Texas Tribune search tool). 
 
1,200 feet: The current minimum setback required between oil/gas drilling and any nearby structure in Denton, Texas. In 2014, Denton made headlines for achieving a city-wide fracking ban, which was quickly overturned at the state level the next year. 
 
1,000 feet: Setback requirement in the state of Colorado for high-occupancy buildings, with exception of cases that go to public hearing (Source: 2015 Liberty Hill Foundation Drilling Down report p. 29)  
 
500 feet: The minimum setback requirement between oil and gas wells and any nearby structure in Pennsylvania. A recent state grand jury on environmental crimes called this “woefully inadequate.” Wyoming and Illinois require the same setbacks statewide.  
 
100 feet: The current mandatory setback minimum for oil and gas wells near homes in rural settings in Ohio.
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