09/20/22 Five city wastewater treatment plants earn Platinum honors

Five city wastewater treatment plants earn Platinum honors

Aerial view of Wai'anae Wastewater Treatment Plant

HONOLULU - Wai'anae Wastewater Treatment Plant (WWTP), for the 20^th straight year, garnered 100 percent compliance with all its permits while recognized by the National Association of Clean Water Agencies (NACWA) as a Peak Performance Award Platinum Award winner at the annual summer conference held in Seattle.

Four other City and County of Honolulu WWTPs garnered Platinum status, now extending their consecutive years of 100 percent compliance:

• Kahuku Wastewater Treatment Plant - Platinum 8
• Lā'ie Water Reclamation Facility - Platinum 8
• Pa'ala'a Kai Wastewater Treatment Plant - Platinum 8
• Waimānalo Wastewater Treatment Plant - Platinum 6

Honouliuli WWTP earned gold status with 100 percent compliance with its National Pollutant Discharge Elimination System (NPDES) permits for the 2021 calendar year. Kailua Regional, Sand Island, and Wahiawā WWTPs garnered silver status.

The NACWA recognition program consists of three categories - Platinum, Gold and Silver. Platinum Awards recognize facilities with 100 percent compliance with its NPDES permit for five or more consecutive years. Gold Awards honor treatment plants that achieved 100 percent compliance during the calendar year, while Silver Awards identify facilities that received no more than five permit violations during that same time.

The NPDES permit program, mandated by the Clean Water Act, controls water pollution by regulating point sources that discharge into U.S. waters. UIC permits and recycled water facility permits regulate facilities that do not discharge into U.S. waters.

─ PAU ─

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