Overview
UNALAKLEET AIRPORT_2 is a stormwater outfall in Unalakleet, Alaska, managing runoff from airport infrastructure. It operates under US EPA NPDES MS4 regulations.
UNALAKLEET AIRPORT_2 is a stormwater outfall located at the Unalakleet Airport in Unalakleet, Alaska. This facility manages stormwater runoff from airport infrastructure, including runways, taxiways, and parking areas. As a stormwater outfall, it discharges collected runoff into local waterways, playing a key role in flood prevention and water quality management in this remote Alaskan community. The facility operates under the US EPA National Pollutant Discharge Elimination System (NPDES) Municipal Separate Storm Sewer System (MS4) permit framework. While specific discharge volumes are not detailed, airport stormwater outfalls typically handle runoff from impervious surfaces and may include treatment features such as detention basins or oil-water separators to mitigate pollutants. In Alaska, stormwater management must also account for seasonal freeze-thaw cycles and permafrost conditions. This outfall serves the Unalakleet Airport, a critical transportation hub for the region, providing access to remote communities. Proper stormwater management helps protect local water bodies, including the Unalakleet River and Norton Sound, from potential contaminants like deicing fluids, fuel residues, and sediment. The facility's operational status ensures continued compliance with environmental regulations and supports the airport's role in regional connectivity.
Environmental context
Unalakleet is located on the Norton Sound coast of Alaska, an area characterized by subarctic climate, permafrost, and sensitive aquatic ecosystems. Stormwater runoff from the airport can carry pollutants such as deicing chemicals, petroleum residues, and sediment into nearby water bodies. The Unalakleet River and Norton Sound support subsistence fisheries and wildlife habitats, making effective stormwater management crucial for protecting local water quality and community resources.
Frequently asked questions
UNALAKLEET AIRPORT_2 is located at the Unalakleet Airport on Airport Road in Unalakleet, Alaska, USA.
It is a stormwater outfall that collects and discharges runoff from the Unalakleet Airport, helping to manage stormwater and prevent flooding.
This outfall operates under the US EPA NPDES MS4 permit program, which regulates stormwater discharges from municipal separate storm sewer systems to protect water quality.
Airport stormwater can contain deicing fluids, fuel residues, and other pollutants. Proper management prevents contamination of local waterways and protects aquatic ecosystems.
The outfall may discharge into the Unalakleet River or directly into Norton Sound, both of which support local fisheries and wildlife.
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