Main Water Shut Off Valve Not Working

shut off
A device used for stopping a supply or operation
The cessation of flow, supply, or activity
isolate or separate; "She was shut off from the friends"
stem the flow of; "shut off the gas when you leave for a vacation"
block off the passage through; "We shut off the valve"

working
The action of doing work
The action of extracting minerals from a mine
A mine or a part of a mine from which minerals are being extracted
working(a): actively engaged in paid work; "the working population"; "the ratio of working men to unemployed"; "a working mother"; "robots can be on the job day and night"
adequate for practical use; especially sufficient in strength or numbers to accomplish something; "the party has a working majority in the House"; "a working knowledge of Spanish"
a mine or quarry that is being or has been worked

water
This as supplied to houses or commercial establishments through pipes and taps
A colorless, transparent, odorless, tasteless liquid that forms the seas, lakes, rivers, and rain and is the basis of the fluids of living organisms
One of the four elements in ancient and medieval philosophy and in astrology (considered essential to the nature of the signs Cancer, Scorpio, and Pisces)
supply with water, as with channels or ditches or streams; "Water the fields"
binary compound that occurs at room temperature as a clear colorless odorless tasteless liquid; freezes into ice below 0 degrees centigrade and boils above 100 degrees centigrade; widely used as a solvent
body of water: the part of the earth's surface covered with water (such as a river or lake or ocean); "they invaded our territorial waters"; "they were sitting by the water's edge"

valve
A device for controlling the passage of fluid through a pipe or duct, esp. an automatic device allowing movement in one direction only
A membranous fold in a hollow organ or tubular structure, such as a blood vessel or the digestive tract, that maintains the flow of the contents in one direction by closing in response to any pressure from reverse flow
a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it
A cylindrical mechanism in a brass instrument that, when depressed or turned, admits air into different sections of tubing and so extends the range of available notes
device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone
control consisting of a mechanical device for controlling the flow of a fluid

main
Denoting the center of a network, from which other parts branch out
chief(a): most important element; "the chief aim of living"; "the main doors were of solid glass"; "the principal rivers of America"; "the principal example"; "policemen were primary targets"; "the master bedroom"; "a master switch"
Chief in size or importance
any very large body of (salt) water
a principal pipe in a system that distributes water or gas or electricity or that collects sewage