HONOLULU (KHON2) — The U.S. Army Garrison Hawaii has been alerted by the State Department of Health about a violation of drinking water standards due to the presence of E. coli bacteria.
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On Dec. 16, a routine water sample from the Tripler Army Medical Center (TAMC) tested positive for total coliform bacteria. This led to additional tests to confirm the presence of E. coli. However, water remained safe to drink from Dec. 16-18 because it was disinfected, and no E. coli was found in the distribution system.
The situation escalated on Dec. 19, when a sample taken from TAMC’s Water Well #2 tested positive for E. coli. The results were confirmed on Dec. 20, after an 18-hour processing period. The contaminated sample was taken before the water treatment process at the well, but subsequent tests of water within the distribution system showed no E. coli.
In response, Water Well #2 was shut down on Dec. 20. It has since been disinfected, and further samples are being analyzed. The well will remain offline until testing confirms it is free of E. coli. In the meantime, Water Well #1 is providing safe drinking water.