New Yorkers are divided over whether the state should allow a groundbreaking but controversial natural-gas drilling technique known as hydrofracking to boost energy production and jobs upstate, a new survey shows.

Concerned about what impact drilling would have on the environment and particularly New York’s drinking water, 41 percent of state residents oppose hydrofracking, according to the Marist College Poll.

Just 38 percent of state residents favor the use of hydrofracking, and about one in five respondents are undecided.

Hydrofracking is the process of injecting pressurized fluids into rock formations deep underground to extract natural gas.

Proponents of fracking say the ability to unlock vast stores of buried natural gas will make New York less dependent on foreign oil and create jobs. Opponents argue there’s too great a risk that the drilling will contaminate the water supply.