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Water Flowing Out Pipe

Water Service Line Survey

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Public water systems are required to complete an inventory of service lines to comply with EPA regulations, and this survey plays a vital role in helping your public water system fulfill this obligation effectively. The following information will help you determine where your water service line is and what material it is made of.

Before completing the survey, you need to determine where the water service line is and how it connects to your home. If you need assistance finding your service line, contact : (208) 835 2742

To locate where the water service line enters your home, look for a water meter and curb stop valve. These are usually found at the front of your property near the street or sidewalk and are ground-level boxes labeled "water" or "meter." Once you find them, follow the shortest path to your home. The water service line should enter the building through the floor or foundation wall in this general area.

Once you've found where the water service line enters your home, look for a spot on the pipe closest to the wall or floor before it connects to a valve or meter. At this spot, you can test the material the pipe is made of.

Use the following tools to determine the type of pipe material the water service line is made of.

  • Refrigerator magnet: Use to test if the pipe is made of steel.

  • Coin or key: Use to scratch the pipe to reveal the metal’s color and hardness.

  • Flashlight or mobile phone light: To clearly see the pipe.

  • Plastic: This pipe comes in different materials and colors. If you tap it with a coin, the pipe does not make a ringing sound.

  • Copper: Scratch the pipe, and it appears orange and shiny like a penny, which means the pipe is made of copper. Additionally, a magnet will not stick to it.

  • Galvanized Steel or Iron: The pipe appears silvery gray and is difficult to scratch, and a magnet sticks to it. It is made of galvanized steel or galvanized iron.

  • Lead: The pipe is silvery gray and (1) is easily scratched, (2) the metal seems soft, and (3) a magnet does not stick to it - likely lead pipe

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