1. Emergency Phone: 910-455-0722

Onslow Water and Sewer Authority NC Homepage
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Why do you add chlorine to my water?
ONWASA adds chlorine to your water as a disinfectant. This ensures the water in our distribution system remains bacteria free. The average chlorine content in the system is 0.80 ppm. Normally the chlorine cannot be smelled or tasted at this level.

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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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