1. Emergency Phone: 910-455-0722

Onslow Water and Sewer Authority NC Homepage
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What is the hardness of my water?
Depending on where you live, your water can range from 12 ppm to 80 ppm. Areas supplied by the water treatment plants have a higher hardness than those supplied by the Black Creek well field. Softer water tends to make your skin feel slick after showering and harder water does not produce suds as well as softer water.

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1. How do I know my water is safe to drink?
2. Why do I see staff opening fire hydrants and wasting water?
3. What is the Fluoride content of my water?
4. Why do you add chlorine to my water?
5. What is the hardness of my water?
6. What causes the brown of yellow tinge in my water at times?
7. Will ONWASA sample my water for contaminates?
  1. Onslow Water and Sewer Authority NC Homepage

Contact Us

  1. Onslow Water and Sewer Authority
    228 Georgetown Road
    Jacksonville, NC 28540

    Phone (910) 455-0722
    Fax (910) 455-2583
    Contact us >

  1. Emergency Phone: 910-455-0722

  1. North 811 Carolina

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