No water or only a trickle comes from faucets
Water pressure drops suddenly
Faucets make unusual noises when turned on
Pipes feel extremely cold to the touch
Frost or condensation appears on exposed pipes
Bulging or warped pipe sections are visible
Strange smells come from drains or faucets
Toilets or sinks stop refilling normally
Only some fixtures have no water while others still work
Pipes are located in unheated areas and temperatures have dropped below freezing