Case Study | August 13, 2013

On-Site Chlorine Generation Solves Problems For MUA

Source: Lonza Microbial Control

By making a fresh, dilute hypochlorite solution only as needed, Authority eliminates numerous maintenance and reliability issues.

Little Egg Harbor Township was formed in 1740 and became part of Ocean County, New Jersey, in 1891. Today the township has a population of approximately 23,000 with over 9,300 water customers and a water system capacity for treatment and delivery that is 5.4 million gallons per day (MGD).

The Authority’s drinking water comes from eight (8) main wells located at five (5) well sites. The annual total water demand for 2012 was approximately half a billion gallons.

Maintenance Issues
With approximately 92 miles of water distribution mains, it’s highly important that the Authority maintains a minimum of 0.5 mg/L free chlorine residual throughout its system. When Little Egg Harbor MUA experienced chronic problems due to sodium hypochlorite (NaOCl) used at one of its well sites, it switched its chlorination method to calcium hypochlorite, with excellent results.

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