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Zone E1 Profile

Communities:
Makalapa (89 Homes)

Status:
Amended Health Advisory Issued
08 March 2022

Last Updated:
21 November 2022

Drinking Water Long Term Monitoring
In March 2022 the Navy began a two year long-term monitoring program, which will collect 7,800 samples from homes, schools, child development centers, other buildings and hydrants throughout the distribution system. Long-term monitoring is planned over 7 Periods and a Stage 5 data summary report with an overview of what was found will be posted at the end of each Period. Additionally, specific results from each location in this zone are posted monthly with their corresponding time period.

Period 1 - Samples Collected March through April of 2022
PDFData Summary for Zone E1 Stage 5 Long-Term Monitoring Period 1, 26 May 2022
PDFSampling Results for Zone E1 Long-Term Monitoring Period 1, 06 June 2022

Period 2 - Samples Collected April through May of 2022
PDFData Summary for Zone E1 Stage 5 Long-Term Monitoring Period 2, 15 June 2022
PDFSampling Results for Zone E1 Long-Term Monitoring Period 2, 09 June 2022

Period 3 - Samples Collected May through June of 2022
PDFData Summary for Zone E1 Stage 5 Long-Term Monitoring Period 3, 02 August 2022
PDFSampling Results for Zone E1 Long-Term Monitoring Period 3, 30 June 2022

Period 4 - Samples Collected June through December of 2022
PDFSampling Results for Zone E1 Long-Term Monitoring Period 4, 10 November 2022

Period 5 - Samples Collected January through June of 2023

Period 6 - Samples Collected July through December of 2023

Period 7 - Samples Collected January through March of 2024

Supporting LTM Documentation
Internal LinkLTM Laboratory Reports for Zone E1 Stage 5, 20 August 2022

Emergency Response
In December 2021, as an emergency response to contamination in the water system, the Navy began execution of the Drinking Water System Recovery Plan, which was approved by the Hawaii Department of Health and the Environmental Protection Agency. The plan involved 5 Stages of recovery, distribution system flushing, distribution system sampling, home and building flushing, home and building sampling, and long-term monitoring. All of the data summaries and results from Stages 1-4 are posted in this section for public awareness.

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