Kiana East Pit Legacy Material Site - Stormwater Outfall in Kiana, Alaska

Kiana East Pit Legacy Material Site is a stormwater outfall located in Kiana, Alaska, within the Northwest Arctic Borough. This facility manages stormwater runoff from a legacy material site, serving the local community in a remote Arctic region. As a stormwater outfall, it is part of the broader infrastructure for controlling and treating stormwater discharge in the area. The facility operates under the regulatory framework of the US EPA National Pollutant Discharge Elimination System (NPDES) Municipal Separate Storm Sewer System (MS4) permits. In Alaska, stormwater management is critical due to the sensitive Arctic environment and permafrost conditions. The site likely employs standard stormwater management practices such as sedimentation basins or infiltration measures to control runoff quality and quantity. As a legacy material site, the outfall manages runoff from potentially contaminated materials, requiring careful monitoring to protect local water bodies. The facility plays a key role in preventing pollution from entering the nearby Kobuk River or other receiving waters, supporting community health and environmental sustainability in the region.

Kiana is located in the Arctic region of Alaska, where permafrost and short growing seasons create unique stormwater challenges. Runoff from legacy material sites may contain sediments or contaminants that could impact local water quality. The facility's discharge likely enters the Kobuk River or its tributaries, which support subsistence fishing and wildlife. Effective stormwater management is essential to prevent erosion, sedimentation, and pollution in this sensitive ecosystem.