As part of the Capital Improvement Program, the District began replacing the oldest sections of its 76 miles of main in October 2016. Since then, 6,000 feet has been added in the southeast portion of the District – Garden City Park – just south of Jericho Turnpike.
The 6-inch pipe has been replaced with 8-, 10- or 12-inch pipe and new hydrants will be installed to help provide better flow, volume and capacity. The improvements will also increase the life expectancy of the system andhelp local fire departments meet water pressure demands.
Although the Environmental Protection Agency (EPA) has not yet set a standard for 1,4-dioxane, GCPWD is not waiting for a resolution. In fact, the District, with oversight from Nassau County Department of Health, has installed a treatment system at Plant No. 8 (which is off-line) to remove 1,4-dioxane through a chemical reaction and UV light. After treatment with chlorine and UV, levels are so low they can barely be detected.