the spot that i fish at is a reserviour with the water high the deepest part (of the area i fish ) is about 10-12 feet deep , there is a small water fall that flows into it . It's 95 degrees today , what would you use to catch largemouth bass ?

welcome to the heat wave, i agree, its incredibly hot outside

fishin is gonna be slow during the day, look in shady spots and in the weeds where the bass can stay cool.  nights and mornings are going to be key during this heat

the first thing i would throw would be minnow crankers, then narrow it down to throw some senkos, tonight maybe spinnerbaits and other things that make noise

oh and also, that waterfall is gonna be key as well, throw some crankbaits or plastics beneath that waterfall right at the base of it.  At the base of waterfalls bass tend to hang out sometimes due to the increased oxygenated water and feeding possibilities.

I'd certainly try the waterfalls, as was suggested, but wouldn't limit myself to that one spot unless it was really producing. As to what to use, I'd try the usual assortment of lures that are appropriate for the conditions. Here in western NY we catch them on topwaters, crankbaits, spinnerbaits, soft plastics, etc., and I wouldn't think water temps would be that much different in MA.

i've been fishing this place for 27 years , my biggest bass was 8lbs.

but for some reason this season i haven't  been catching anything(3) so far this year. the only think i can think of is sometimes there's a group of people that fish there at night and i know they don't catch & release they take everything home to eat. so mabey it's fished out. after all it is a reseviore so it doesn't get stocked .