In MD, and it has been pretty cold for a while, and my house heat was set at 66 when sleeping. Water was fine last night and woke up 430am this morning, noticed the water pressure was gone throughout the house. Water meter was not spinning at all, and all faucet felt no pressure when turning on. Called the county water dept and was told the inlet pipe must be frozen and ask me just to thaw it. The main shut-off valve is in a crawl space that is adjacent to the external wall, so it does get colder than the interior, but I wasn't expecting the below freezing drop. Any way, I checked the tubing but did not find any sign of frost or burst (finger crossed), put a portable heater close to the pipe from ground and left the door open for four hours now. The pipe and water meter (closer to the interior door so should be warmer than the far end) felt not too cold to touch, but still nothing coming to the water meter. Called county again, and was told I do not have meter outside plus nobody report anything but me from the neighborhood, but when I walked around I did see a blue painted cap on my drive way said "water meter" , seem like the piping from the street goes underneath that to the house? Any possibility that was frozen? Any other possible causes? Thanks a lot.

One of the 2 stacks in my house has started leaking, and was discovered during a recent extreme cold spell (regularly -0 F) in Indiana. (short version of house: 1920 built house. countless remodels to subdivide... current one to restore to a single family home in progress by me). I'm not sure when the leak started, but it was discovered when the paint started bubbling on the wall in the 1st floor bathroom. Above the 1st floor bathroom is the 2nd floor bathroom. I opened up the ceiling access panel between the 1st and 2nd floor, and saw the rubber joint between the cast iron and PVC has started leaking. [ATTACH]89281[/ATTACH] Closeup: [ATTACH]89282[/ATTACH] Going to the basement, I discovered this: [ATTACH]89283[/ATTACH] The leak had flowed down the wall, froze as it went, and then accumulated frozen at the base of the stack. The stack runs along an uninsulated exterior wall. I chipped away and and put a space heater in to ensure the base-stack wouldn't freeze. As things thaw out (as they are doing now) I'll have a water logged drywall and insulation to tear out and replace, as well as the stack to repair. See main floor bathroom pic: [ATTACH]89284[/ATTACH] 2 questions: 1. Is having a drain stack on an uninsulated exterior wall ever ok, or should I move it? I could re-route to another drain stack that goes to another bathroom on the 2nd floor (that's on an interior wall). 2. If I keep the drain stack, what's the recommendation to repair the joint? Replace the cast iron T with a PVC one, like [URL="https://www.doityourself.com/forum/plumbing-piping/553339-installing-pvc-wye-into-cast-iron-stack.html"]this[/URL]? I'm not sure the cast iron T is advisable to keep using as there's evidence of past leaks...