You may have seen some gray fire hydrants around Grayslake recently. … The hydrants are part of Grayslake’s water system and are used in emergency situations. Painting the hydrants every few seasons ensures that the hydrants will be easily spotted by emergency crews.
Why are the fire hydrants Gray?
In some places, the tops of fire hydrants are painted different colours to let firefighters know how many gallons per minute, or GPM, a hydrant is able to deliver. The higher the GPM, the better the hydrant will be at fighting bigger fires. Blue usually marks the highest GPM, and red the lowest!
Why do they paint fire hydrants silver?
The colors denote how much water a particular hydrant can provide in gallons per minute (GPM). … Jackson Energy Authority hydrants follow the recommended NFPA Color Coding for flow and the adopted chrome silver for hydrant body color.
Why are fire hydrants white now?
Though the NFPA suggests that the body of the fire hydrant be painted chrome yellow, some departments use the body to identify ownership or uses of the hydrant. … White to show the hydrant is a Public system hydrant. Yellow for a Private hydrant connected to a public water system.
What is a purple hydrant?
Purple piping/fire hydrants means recycled water. It’s a standard for most counties’ water reclamation facilities.
How much PSI is in a fire hydrant?
Fire hydrants are flow-tested at a residual pressure of 20 psi; therefore, firefighters should understand the typical flow rates of fire hydrants at that pressure.
What color should a fire hydrant be?
Most fire hydrants are universally red; however, even this ubiquitous coating communicates valuable information to firefighters and water distribution personnel. Color coding depends on where each color is located on the hydrant, as the hydrant bodies and bonnets and caps each relay a separate set of information.
Can you paint a fire hydrant in front of your house?
As far as California law is concerned, the curb does not have to be painted red or any other color to indicate that you can’t park in front of the fire hydrant.