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To comply with federal Environmental Protection Agency (EPA) regulations, public water systems are required to complete an inventory of customer service lines. This survey plays a vital role in helping your public water system fulfill this obligation effectively. The following information will help you determine what your water service line is made of.

 

Find Your Water Service Line

Before completing the survey, you need to determine where your water service line is and how it connects to your home. If you need assistance finding your service line, contact the City of Ritzville public works department at 509-659-1930.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Test the Pipe Material

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. It is important to find the pipe entering your home.

 

 

 

 

 

 

TESTING TOOLS

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

 

Tools you will need:

  • Refrigerator magnet or other magnet—use to test if the pipe is made of steel or iron.

  • Screwdriver or coin—use to scratch the pipe to reveal the metal’s color and hardness and tap for sound.

  • Flashlight or mobile phone—light to clearly see the pipe.

 

Test Types:

  • Lead—Scratch Test: Easily scratched. If the scraped area is shiny and silver, the pipe is lead. Magnet Test: A magnet will not stick to a lead pipe. Tapping Test: Tapping a lead pipe with a coin will produce a dull noise.

  • Copper—Scratch Test: If the scraped area is copper in color, like a penny, the pipe is copper. Magnet Test: A magnet will not stick to a copper pipe. Tapping Test: Tapping a copper pipe with a coin will produce a metallic ringing noise.

  • Galvanized Steel or Iron—Scratch Test. If the scraped area remains a dull gray, the pipe is galvanized steel. Magnet Test: A magnet sticks to a galvanized pipe. Tapping Test: Tapping a galvanized pipe with a coin will produce a metallic ringing noise.

  • Plastic—This pipe comes in different materials and colors. The pipe does not make a ringing sound when tapped with a coin or screwdriver.

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