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Lead (Galvanized) Service Lines

July, 2021, the New Jersey Legislature passed legislation requiring all public water systems in the state to inventory all lead service lines and then replace them with non-lead lines within 10 years. The service line consists of the utility-owned portion of the line from main to the curb stop, and the customer-owned portion of the line from the curb stop in to the meter.  Although the Hawthorne Water system has no actual lead lines, the law classified galvanized lines (essentially steel pipe coated in zinc) as lead, and 45% of Hawthorne Water's service lines were installed using galvanized pipes. 

The Borough Engineer has noted that Hawthorne’s water system has been utilizing air stripping since the 1980s. This is significant because air stripping removes some of the carbon dioxide from the water. This, in turn, makes the water “encrustive” as opposed to “corrosive.“  Encrustive water provides a mineral coating on the inside of the pipe which reduces leaching of any material from the pipe material.

Resources & Links

Hawthorne Service Link Replacement Map

2025 Hawthorne Service Line Inventory


  1. Hawthorne Borough, New Jersey Homepage

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  1. 445 Lafayette Avenue

  2. Hawthorne, NJ 07506

  3. 973.427.5555

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