Guess what more than likely it is from the gas wells being drilled in your area. Your not the only ones in that boat. There's four right here in Granville Summit and five or more in Alba Pennsylvania Bradford County that have issues and have water buffalos. It's a shame that we are the ones who have to deal with the Gas Companies and the hassle that comes with it. I don't think it's right that we purchase a house with no methane stripper or filtration and they pollute our water with methane gas and sediment and it's ok for the gas company to replace it with a methane stripper and filtration this is completely wrong!!!! So in ALL reality the state of Pennsylvania is telling them it's ok have you noticed all the greed that this has brought to people?? I have and it makes me sick!!!