The borough has until 2030 to meet tighter state and federal water quality standards for its wastewater treatment plant discharge, and will use this year to determine the best way to kill more of the bacteria in the outflow.
The Environmental Protection Agency renewed Wrangell’s wastewater discharge permit in November — along with permits for Haines, Skagway, Sitka, Ketchikan and Petersburg.
The communities must make improvements to their treatment systems to reduce the levels of bacteria discharged into marine waters.
In Wrangell, that likely will mean adding a disinfecting system to its trea...
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