普阿克社区正通过非营利组织Puakō For Reefs推进一项低压液体污水系统建设项目，以替代传统化粪池，防止高氮污水对珊瑚礁的破坏1。该系统采用6英寸管道，埋深较浅，造价仅为1200万美元，相比传统重力污水系统的1.2亿美元降低了90%1。系统建成后将服务约200户住宅，每户的连接费用约为40,000美元1。
该项目已获得夏威夷县政府支持，社区已申请成为社区设施特区，拟通过特殊税收债券在40年内偿还费用1。根据规划，项目将于2027年底前完成规划和许可工作，2028年正式开工1。夏威夷县市长Kimo Alameda表示："This is the most organized community right now. They have a plan. This could be the model for the state."1
夏威夷州要求到2050年改造超过49,000个化粪池1，普阿克社区的成功经验有望为其他沿海社区推广这一可行方案。
The Puakō community on Hawaiʻi's Big Island is moving forward with a low-pressure wastewater system designed to replace traditional cesspools and protect nearby coral reefs from nitrogen-rich sewage.1 The nonprofit organization Puakō For Reefs is spearheading the initiative, which will serve approximately 200 residential units at a connection cost of roughly $40,000 per household.1
The low-pressure system carries a significantly lower price tag than conventional gravity-fed alternatives, costing $12 million compared to $120 million for traditional infrastructure.1 The community has applied to become a Community Facilities District and plans to finance the project over 40 years through special tax bonds.1 Planning and permitting are scheduled for completion by the end of 2027, with construction set to begin in 2028.1 The low-pressure approach utilizes 6-inch pipes at shallow depths, reducing construction expenses.1
County Mayor Kimo Alameda expressed confidence in the proposal, stating: "This is the most organized community right now. They have a plan. This could be the model for the state."1 The initiative arrives as Hawaiʻi State has mandated the conversion of more than 49,000 cesspools by 2050.1
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