I'm not sure if I'm posting in the correct forum, but I would appreciate any and all input. I have two issues and I'm not sure if they could be related. We have a lake home in Wisconsin, have a shallow well and a septic. For the past 18 months or so, we have had air in our water lines (mainly cold water). It's especially bad with the kitchen sink and drives me insane. We had a plumber out to replace our water softener and asked him, but he seemed to not be interested in helping us and just told us to call a well guy. We've tried several times to clear the air but it doesn't help. We replaced our well pump about 3 months prior to this starting. We just recently started noticing a bad smell in our main floor bathroom only when we are using the washing machine (which is in the basement). Could these two things be related? Any suggestions on how to deal with either one?