The guys that fill up in the lakes region are ok because they do not put Ethanol in the gas. Counties that have ethanol Counties Ethanol Here is a site that deals with the effects of Ethanol in gas.
Ethanol

Sorry about that link that would not open up, but the following counties have ethanol in the gas are;(Merrimack, Hillsborough, Rockingham, and Strafford counties).

i seem to be getting more water in the tank after it sits during the winter, ive heard its the new gas breaking down, but it hasnt caused any damage. just a bigger pain come spring emptying the water separator several times during the first few outings.