2021 年 6 月 23 日： The Low Impact Hydropower Institute has issued a final decision on the recertification of the 虹吸管 Power Hydroelectric Project.  The 30-day appeal window closed on June 16, 2021 and no appeals were filed. Therefore, the decision to recertify the project is now final. The new term for the project is October 28, 2020 through October 27, 2025.